IP Library › Assignment 008709/0825
Patent Assignment
Reel/Frame 008709/0825

Assignment of Assignor's Interest

Recorded: 1997-09-22 Pages: 8
Assignor
PETROLITE CORPORATION
Executed: 1997-07-02
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, HOUSTON, TEXAS, 77027
Covered Properties (186)
Quaternary Polyaminoamides
Patent: 4,315,087 →
Application: 05/571,927 →
Cyclic Phenol-Aldehyde Resins
Patent: 4,259,464 →
Application: 05/686,096 →
Quaternaries of Tertiary Amino-Substituted Thiazines
Patent: 4,276,416 →
Application: 05/713,704 →
Tertiary Amino-Substituted Thiazines
Patent: 4,263,433 →
Application: 05/713,706 →
Preparation of Amines by the Reduction of Imines with Phosphorous Acid
Patent: 4,442,286 →
Application: 05/732,604 →
Olefin-Acrylonitrile Copolymers and Uses Thereof
Patent: 4,333,741 →
Application: 05/810,342 →
Silicon-Containing Quaternary Ammonium Thiazines
Patent: 4,418,195 →
Application: 05/814,513 →
Quaternaries of Hydroxyalkylaminoalkylamides
Patent: 4,270,001 →
Application: 05/814,572 →
Demulsification of Surfac Tant-Petroleum-Water Flood Emulsions
Patent: 4,446,054 →
Application: 05/835,390 →
Process of Preparing Hexahydropyrimidines
Patent: 4,311,841 →
Application: 05/853,612 →
N-Substituted 1,2,3,4,-Tetrahydropyrimidines,Hexahydro-Pyrimidines and Process for Their Preparation
Patent: 4,281,126 →
Application: 05/873,322 →
Corrosion Inhibitor for Highly Oxygenated Systems
Patent: 4,311,662 →
Application: 05/877,055 →
Sulfone Containing Quaternary Ammonium Derivatives of 1,4-Thiazines
Patent: 4,146,711 →
Application: 05/886,183 →
Use of Phosphorylated Oxyalkylated Polyols in Conjunction with Sulfite and Bisulfite Oxygen Scavengers
Patent: 4,213,934 →
Application: 05/887,148 →
Corrosion Inhibiting System
Patent: 4,343,660 →
Application: 05/894,292 →
N,N'-Disubstituted Hexakydropyrimidines
Patent: 4,354,025 →
Application: 05/916,390 →
Use of Hydrocarbon Polymers to Improve the Hardness of Waxes
Patent: 4,239,546 →
Application: 05/926,763 →
Inhibition of Pitting Corrosion
Patent: 4,240,925 →
Application: 05/930,280 →
Alpha-1,4-Thiazine Alkanephosphonic Acids
Patent: 4,264,767 →
Application: 05/932,257 →
Quaternary Ammonium Salts of Alpha-1,4-Thiazine Alkanephosphonic Acids
Patent: 4,259,483 →
Application: 05/932,258 →
Di-Quaternary Ammonium Salts of Alpha-1,4-Thiazine Alkanephosphonic Acids
Patent: 4,264,768 →
Application: 05/932,259 →
Use of Benzazoles as Corrosion Inhibitors
Patent: 4,235,838 →
Application: 05/932,260 →
Quaternary Ammonium Adducts of Polymerizable Tertiary Ammonium Salts and Acrylamide
Patent: 4,230,839 →
Application: 05/955,443 →
Quaternary Ammonium Adducts of Polymerizable Tertiary Ammonium Salts and Acrylamide
Patent: 4,224,150 →
Application: 05/955,444 →
Quaternaries of Halogen Derivatives of Alkynoxymethyl Amines
Patent: 4,252,743 →
Application: 05/957,615 →
Plural Stage Desalter/Dehydration in a Single Vessel
Patent: 4,188,277 →
Application: 05/960,801 →
Quaternary Alkynoxymethyl Amines
Patent: 4,343,720 →
Application: 05/963,606 →
Quaternary Alkynoxymethyl Amines
Patent: 4,248,796 →
Application: 05/963,607 →
Thioether Containing Quaternary Ammonium Derivatives of 1,4-Thiazines
Patent: 4,200,633 →
Application: 05/966,221 →
Anti-Static Compositions
Patent: 4,356,002 →
Application: 05/968,327 →
Antistats Containing Acrylonitrile Copolymers and Polyamines
Patent: 4,259,087 →
Application: 05/970,040 →
Hexahydropyrimidines and Corresponding Linear Polyamines
Patent: 4,480,095 →
Application: 05/970,413 →
Use of Hydrocarbon Polymers to Improve Oil-Containing Waxes
Patent: 4,224,204 →
Application: 06/021,290 →
Hydroxy and Hydroperoxy T Etrahydropyrimidines
Patent: 4,447,606 →
Application: 06/028,149 →
Thiazine Quaternary Ammonium Salts of Polyepihalohydrin
Patent: 4,316,007 →
Application: 06/032,036 →
Polymerization of Aromatic Nitrogen Heterocyclic Compounds
Patent: 4,275,191 →
Application: 06/032,037 →
Quaternized Derivatives of Polymerized Pyridines and Quinolines
Patent: 4,297,484 →
Application: 06/032,044 →
Method for the Removal of Asphaltenic Deposits
Patent: 4,414,035 →
Application: 06/040,628 →
Hydroxypropylene-Amino-Phosphonic-Sulfonic Acids
Patent: 4,229,294 →
Application: 06/042,178 →
Apparatus and Process for Electrically Resolving Emulsions
Patent: 4,226,689 →
Application: 06/043,551 →
Process for Dehydration and Demineralization of Diluted Bitumen
Patent: 4,226,690 →
Application: 06/043,597 →
Zinc Oxide Dispersions by Decomposition of Zinc Acetate
Patent: 4,410,446 →
Application: 06/046,594 →
Low Temperature Process of Preparing Mg (Oh)2 Suspensions
Patent: 4,298,482 →
Application: 06/050,383 →
Laminating Composition and Uses
Patent: 4,279,659 →
Application: 06/056,676 →
Oil Solutions and/or Dispersions of Hydrated Chromium Oxides
Patent: 4,263,151 →
Application: 06/063,228 →
Wax Formulations
Patent: 4,265,663 →
Application: 06/079,271 →
Polyols of Tetrahydropyrimidines
Patent: 4,343,941 →
Application: 06/081,748 →
Method Using Hydrocarbon Foams as Well Stimulants
Patent: 4,301,868 →
Application: 06/085,182 →
Radial Flow Electrofilter
Patent: 4,302,310 →
Application: 06/085,367 →
Radial Flow Electrofilter
Patent: 4,269,681 →
Application: 06/085,448 →
Preparation of Mixture of Nitrogen and Sulfur-Nitrogen Heterocyclics and Use in Corrosion Inhibiting
Patent: 4,446,056 →
Application: 06/101,953 →
Mgo Dispersions
Patent: 4,293,429 →
Application: 06/112,495 →
Corrosion Inhibitors for Limited Oxygen Systems
Patent: 4,339,349 →
Application: 06/120,169 →
Corrosion Inhibitors
Patent: 4,253,876 →
Application: 06/122,201 →
Reaction Products of Alkyl and Alkenyl Succinic Acids and Ether Diamines
Patent: 4,326,987 →
Application: 06/124,031 →
Ureylenes and Uses Thereof
Patent: 4,303,780 →
Application: 06/124,998 →
Mixtures of Alkyl and Alkenyl Succinic Acids and Polymer Acids
Patent: 4,508,637 →
Application: 06/125,726 →
Azetidinium Salts and Polymers and Copolymers Thereof
Patent: 4,341,887 →
Application: 06/128,337 →
Quaternary Ammonium Adducts of Polymerizable Tertiary Ammonium Salts and Acrylonitrile
Patent: 4,310,472 →
Application: 06/133,047 →
Electrofiltration System for Purifying Organic Liquids
Patent: 4,402,818 →
Application: 06/139,614 →
Exotherm Control in Polymerization
Patent: 4,312,969 →
Application: 06/140,916 →
Organo Zirconium Complexes
Patent: 4,382,874 →
Application: 06/146,837 →
Tetrahydrothiazole Phosphonic Acids of Esters Thereof
Patent: 4,443,609 →
Application: 06/151,051 →
Drag Reducing Ski Wax
Patent: 4,343,863 →
Application: 06/153,382 →
Compounds Containing Sulfur and Amino Groups
Patent: 4,332,967 →
Application: 06/161,198 →
Tertiary Amino-Substituted Thiazines
Patent: 4,276,291 →
Application: 06/161,984 →
Tertiary Amino-Substituted Thiazines
Patent: 4,312,830 →
Application: 06/161,989 →
Quaternaries of Tertiary Amino-Substituted Thiazines
Patent: 4,312,831 →
Application: 06/166,437 →
Quaternaries of Tertiary Amino-Substituted Thiazines
Patent: 4,332,799 →
Application: 06/166,438 →
Polishes/Polish Restorers
Patent: 4,371,398 →
Application: 06/169,340 →
Thioureylenes
Patent: 4,492,658 →
Application: 06/170,326 →
Polymerization of Aromatic Nitrogen Heterocyclic Compounds
Patent: 4,312,832 →
Application: 06/177,344 →
Fluid Inlet Distributor
Patent: 4,609,010 →
Application: 06/187,279 →
Plural Stage Desalting/Dehydrating Apparatus
Patent: 4,374,724 →
Application: 06/187,282 →
Quaternary Ammonium Salts of Alpha-1,4-Thiazine Alkanephosphonic Acids
Patent: 4,494,977 →
Application: 06/187,390 →
Quaternary Ammonium Salts of Alpha-1,4-Thiazine Alkanephosphonic Acids
Patent: 4,336,156 →
Application: 06/187,391 →
A Process of Inhibiting Scale Formation in Aqueous Systems Using Aqaternary Ammonium Salts of a 1, 4 Thiazine Alkanephosphonic Acids
Patent: 4,323,459 →
Application: 06/187,399 →
Oxidized Alpha-Olefins
Patent: 4,426,229 →
Application: 06/191,462 →
Polymerized Polyols of Tetrahydropyrimidines
Patent: 4,343,930 →
Application: 06/192,128 →
A Process of Inhibiting Scale Formation in Aqueous Systems Using a 1, 4 Thiazine Alkanephosphonic Acids
Patent: 4,323,460 →
Application: 06/193,222 →
Alpha-1,4-Thiazine Alkanephosphonic Acids as Corrosion Inhibitors
Patent: 4,311,663 →
Application: 06/193,223 →
Alpha-1,4-Thiazine Alkanephosphonic Acids
Patent: 4,361,555 →
Application: 06/193,318 →
Di-Quaternary Ammonium Salts of Alpha -1,4-Thiazine Alkanephosphonic Acids as Corrosion Inhibitors
Patent: 4,309,383 →
Application: 06/196,969 →
Microbiocidal Process Using Di-Quaternary Ammonium Salts of Alpha-1,4- Thiazine Alkanephosphonic Acids
Patent: 4,342,584 →
Application: 06/196,973 →
Di-Quaternary Ammonium Salts of Alpha-1,4-Thiazine Alkanephosphonic Acids
Patent: 4,346,217 →
Application: 06/196,984 →
A Process of Inhibiting Scale Formation in Aqueous Systems Using D1 Quaternary Ammonium Salts of Alpha 1, 4 Thiazine Alkanephosphonic Acids
Patent: 4,323,461 →
Application: 06/197,055 →
Halide Free Corrosion Inhibitors
Patent: 4,525,296 →
Application: 06/200,817 →
N,N-Dimethylene Phosponic Acids of Alkylene Diamines
Patent: 4,330,487 →
Application: 06/201,866 →
Use of Polyamines as Demusifiers
Patent: 4,411,814 →
Application: 06/233,272 →
Water-In-Oil Emulsions of Polymers of Quarternary Ammonium Compounds of the Acrylamido Type
Patent: 4,343,730 →
Application: 06/241,967 →
Preparation of Perhydrophenanthridines
Patent: 4,346,223 →
Application: 06/264,900 →
Zirconium Compounds as Flotation Aid
Patent: 4,348,287 →
Application: 06/266,775 →
Fouling Test Apparatus
Patent: 4,383,438 →
Application: 06/269,178 →
One Step Modification and Oxidation of Waxes
Patent: 4,426,329 →
Application: 06/288,852 →
Olefin-Acrylonitrile Copolymers and Uses Thereof
Patent: 4,388,452 →
Application: 06/312,063 →
Compounds Containing Sulfur and Amino Groups
Patent: 4,393,026 →
Application: 06/320,048 →
Imidazoline Compounds Containg Sulfur and Amino Group
Patent: 4,622,404 →
Application: 06/320,050 →
Block Polymers of Alkanolamines
Patent: 4,404,362 →
Application: 06/330,118 →
Particulate Compositions
Patent: 4,518,509 →
Application: 06/366,947 →
Corrosion Inhibition of Halocarbon Systems
Patent: 4,422,953 →
Application: 06/370,330 →
Antistats Containing Acrylonitrile Copolymers and Polyamines
Patent: 4,491,651 →
Application: 06/378,541 →
A Process of Treating Aqueous Systems
Patent: 4,454,047 →
Application: 06/379,532 →
Anti-Static Compositions
Patent: 4,515,603 →
Application: 06/418,111 →
System for Acidizing Oil and Gas Wells
Patent: 4,696,752 →
Application: 06/425,386 →
Wax Composition Useful as a Beeswax Substitute
Patent: 4,500,359 →
Application: 06/433,601 →
Alkyl or Alkenyl Succinic Acids as Corrosion Inhibitors for Oxygenated Fuels
Patent: 5,080,686 →
Application: 06/435,527 →
Thioethers of Imidazolines
Patent: 4,616,085 →
Application: 06/444,417 →
Preparation of Dihydro Thiazoles
Patent: 4,477,674 →
Application: 06/472,332 →
Demulsifier Composition and Method of Use Thereof
Patent: 4,502,977 →
Application: 06/490,742 →
Method of Transporting Viscous Hydrocarbons
Patent: 4,570,656 →
Application: 06/491,821 →
Extrusion Processing Aid Composition and Polyolefin Containing Same
Patent: 4,701,487 →
Application: 06/501,473 →
Corrosion Inhibition in Engine Fuel Systems
Patent: 4,595,523 →
Application: 06/510,011 →
Oil Field Biocide Composition
Patent: 4,552,591 →
Application: 06/610,452 →
Alpha-Aminoalkysulfur Compositions
Patent: 4,633,019 →
Application: 06/611,579 →
Defoamer and Antifoamer Composition and Method for Defoaming Aqueous Fluid Systems
Patent: 4,631,145 →
Application: 06/612,871 →
Antistats Containing Acrylonitrile Copolymers and Polyamines
Patent: 4,537,601 →
Application: 06/634,251 →
Polyalkanolamines
Patent: 4,731,481 →
Application: 06/676,693 →
Ester-Containing Halopolyalkylenes
Patent: 4,554,327 →
Application: 06/725,874 →
Preparation of Diamines from Aldehydes and Ammonia
Patent: 4,757,147 →
Application: 06/772,972 →
Substituted Tetrahydropyrimidines and Octahydrophenanthridines
Patent: 4,665,180 →
Application: 06/779,752 →
Compounds Containing Sulfur and Amino Groups
Patent: 4,843,176 →
Application: 06/792,623 →
Highly Branched Amino Hexahydropyridines
Patent: 4,678,638 →
Application: 06/856,267 →
Polyalkanolamines
Patent: 4,840,748 →
Application: 07/062,290 →
Methods for Treating Hydrocarbon Recovery Operations and Industrial Waters
Patent: 4,826,625 →
Application: 07/088,190 →
Multipurpose Aqueous Foamer
Patent: 4,796,702 →
Application: 07/096,261 →
Method of Removing Water Soluble Organics from Oil Process Water
Patent: 4,818,410 →
Application: 07/143,438 →
Distillate Fuels Stabilized with Diaminomethane and Method Thereof
Patent: 4,978,366 →
Application: 07/143,782 →
Method for Inhibition of Scale Formation
Patent: 4,857,205 →
Application: 07/158,830 →
Method for Preparation of Hydrocarbon Fracturing Fluids, Fluids Prepared Thereby, and Methods Related Thereto
Patent: 4,787,994 →
Application: 07/179,921 →
Multicomponent Organic Liquid and Use Thereof in Treating Wells and Subterranean Formations
Patent: 4,919,827 →
Application: 07/187,637 →
Dithiocarbamates for Treating Hydrocarbon Recovery Operations Industrial Waters
Patent: 4,864,075 →
Application: 07/208,627 →
Process for Controlling Fouling of Catalyst Beds
Patent: 4,921,592 →
Application: 07/217,582 →
Synthesis of Aryl-Substituted Aliphatic Acids
Patent: 5,034,161 →
Application: 07/226,242 →
Compositions for Inhibition of Corrosion in Fuel Systems, and Methods for Use and Preparation Thereof
Patent: 5,035,720 →
Application: 07/252,301 →
Compounds Containing Sulfur and Amino Groups
Patent: 4,981,609 →
Application: 07/275,607 →
Solvent for Paraffin Removal from Oilfield Equipment
Patent: 4,925,497 →
Application: 07/319,793 →
Methods for Inhibition of Scale in High Brine Environments
Patent: 4,931,189 →
Application: 07/368,699 →
Methods for Treating Hydrocarbon Recovery Operations and Industrial Waters
Patent: 5,089,619 →
Application: 07/374,421 →
Methods for Treating Hydrocarbon Recovery Operations and Industrial Waters
Patent: 5,089,227 →
Application: 07/374,898 →
Methods for Treating Hydrocarbon Recovery Operations and Industrial Waters
Patent: 4,956,099 →
Application: 07/374,899 →
Methods for Treating Hydrocarbon Recovery Operations and Industrial Waters
Patent: 5,019,274 →
Application: 07/374,900 →
Methods for Treating Hydrocarbon Recovery Operations and Industrial Waters
Patent: 5,013,451 →
Application: 07/375,119 →
Methods and Compositions for Reduction of Drag in Hydrocarbon Fluids
Patent: 4,983,186 →
Application: 07/381,232 →
Corrosion Inhibitors for Use in Hot Hydrocarbons
Patent: 4,941,994 →
Application: 07/381,549 →
Water Soluble 1,2-Dithio-3-Thiones
Patent: 4,973,710 →
Application: 07/399,738 →
Method of Oil Well Corrosion Inhibition via Emulsions and Emulsions Therefore
Patent: 5,027,901 →
Application: 07/403,635 →
Resolution of Emulsions Formed in the Production of Pharmaceuticals
Patent: 5,013,452 →
Application: 07/445,578 →
Composition and Method for Sweetening Hydrocarbons
Patent: 4,978,512 →
Application: 07/452,539 →
Vinyl Phenol Polymers for Demulsification of Oil-in-Water Emulsions
Patent: 5,098,605 →
Application: 07/452,864 →
Methods and Compositions for Reduction of Drag in Hydrocarbon Fluids
Patent: 5,110,874 →
Application: 07/510,929 →
Suppression of the Evolution of Hydrogen Sulfide Gases
Patent: 5,074,991 →
Application: 07/525,796 →
Polyimide Quaternary Salts as Clay Stabilization Agents
Patent: 5,160,642 →
Application: 07/529,026 →
Method of Suppression of Hydrogen Sulfide with Heterocyclic-Amine Aldehyde Reaction Products
Patent: 5,266,185 →
Application: 07/580,020 →
Methods for Treating Hydrocarbon Recovery Operations and Industrial Waters
Patent: 5,026,483 →
Application: 07/616,480 →
Novel Dithiocarbamate Compounds
Patent: 5,130,473 →
Application: 07/638,268 →
Suppression of the Evolution of Hydrogen Sulfide Gases from Crude Oil, Petroleum Residua and Fuels
Patent: 5,169,411 →
Application: 07/648,251 →
Methods for Inhibition of Scale in High Brine Environments
Patent: 5,112,496 →
Application: 07/664,900 →
Coking Process
Patent: 5,110,448 →
Application: 07/668,006 →
Solvent Systems for Use in Oil and Gas Wells
Patent: 5,152,907 →
Application: 07/704,915 →
Corrosion Inhibition in Highly Acidic Environments
Patent: 5,169,598 →
Application: 07/706,623 →
Corrosion Inhibition in Highly Acidic Environments by Use of Pyridine Salts in Combination with Certain Cationic Surfactants
Patent: 5,336,441 →
Application: 07/706,661 →
Volatile Corrosion Inhibitors for Gas Lift
Patent: 5,197,545 →
Application: 07/769,313 →
Overprint Aqueous Varnish
Patent: 34,647 →
Application: 07/849,277 →
Additive Composition for Water-Based Inks
Patent: 34,792 →
Application: 07/851,430 →
Foam Control in Fermentation Broths with a Condensate of Alkylphenol a Nd Aldehyde That Has Been Polyoxyalkylated
Patent: 5,288,789 →
Application: 07/858,202 →
Water Soluble 1,2-Dithio-3-Thiones
Patent: 5,252,289 →
Application: 08/002,532 →
Repulpable Hot Melt Adhesive for Packaging Materials Containing an Ethylene Vinyl Acetate Copolymer Having 40-60 Weight Percent of Vinyl Acetate Units, a Tackifier and a High Molecular Weight Oxygen-Containing Polymer
Patent: 5,414,039 →
Application: 08/017,776 →
Repulpable Laminating Adhesive Containing an Ethylene Vinyl Acetate Copolymer Having 40-60 Weight Percent of Vinyl Acetate Units, Oxgen- Containing Compound, a Tackifier and a Wax
Patent: 5,436,287 →
Application: 08/017,783 →
Repulpable Laminating Adhesive Containing an Elastomer, Tackifier and a Blend of an Alkoxylated Alcohol and a Wax
Patent: 5,391,601 →
Application: 08/018,077 →
Repulpable Hot Melt Adhesives
Patent: 5,441,998 →
Application: 08/018,087 →
Method of Removing Water Soluble Organics from Oil Process Water
Patent: 5,364,532 →
Application: 08/025,348 →
Method of Scavenging Hydrogen Sulfide from Hydrocarbons
Patent: 5,284,576 →
Application: 08/031,062 →
Reaction Product of Nitrogen Bases and Phosphate Esters as Corrosion Inhibitors
Patent: 5,380,466 →
Application: 08/048,555 →
Corrosion Inhibition with Bilayer-Forming Surfactants
Patent: 5,456,767 →
Application: 08/137,657 →
Additive Dispersions Containing Ethoxylated Alcohols
Patent: 5,376,170 →
Application: 08/145,482 →
Biodegradable Corrosion Inhibitors of Low Toxicity
Patent: 5,393,464 →
Application: 08/146,900 →
Clay-Catalyzed Synthesis of Aryl-Substituted Fatty Acids and Fatty Esters and Compositions Related Thereto
Patent: 5,440,059 →
Application: 08/161,826 →
Corrosion Inhibition by Formation of Iron Carboxylate
Patent: 5,385,616 →
Application: 08/195,240 →
Method for Suppressing the Viscosity of Bioinsecticide Slurries and Related Slurries
Patent: 5,538,723 →
Application: 08/205,057 →
Asphaltene Removal Composition and Method
Patent: 5,504,063 →
Application: 08/272,550 →
Method for Removal of Water Soluble Organics from Oil Process Water
Patent: 5,439,592 →
Application: 08/299,681 →
Use of Olefinic Imines to Scavenge Sulfur Species
Patent: 5,567,212 →
Application: 08/430,208 →
Corrosion Inhibition by Ethoxylated Fatty Amine Salts of Maleated Unsaturated Acids
Patent: 5,582,792 →
Application: 08/518,696 →
Process for Dispersing Pigments with Polyoxyalkylated Ethers
Patent: 5,634,971 →
Application: 08/548,200 →
Method of Removing Water Soluble Organics from Oil Process Water
Patent: 5,637,223 →
Application: 08/614,760 →
Use of Olefinic Imines to Scavenge Sulfur Species
Patent: 5,567,213 →
Application: 08/636,813 →