IP Library › Assignment 009052/0337
Patent Assignment
Reel/Frame 009052/0337

Assignment of Assignor's Interest

Recorded: 1998-03-27 Pages: 33
Assignor
HOECHST CELANESE CORPORATION
Executed: 1998-03-12
Assignee
CELANESE INTERNATIONAL CORPORATION
1601 WEST LBJ FREEWAY, DALLAS, TEXAS, 75234
Covered Properties (114)
Stabilization of Liquid Paraformaldehyde
Patent: 4,289,912 →
Application: 06/146,945 →
Anaerobic Treatment
Patent: 4,315,823 →
Application: 06/150,829 →
Light Ends Recovery in Ethyl Acrylate Process
Patent: 4,301,298 →
Application: 06/152,885 →
Hydroformylation Process Improved by Choice of Reaction Solvent and Control of Product Stripping Parameters
Patent: 4,329,511 →
Application: 06/161,827 →
Process for Production of Ethyl Acrylate
Patent: 4,490,553 →
Application: 06/182,553 →
Process for the Catalytic Conversion of Olefinically Unsaturated Aldehydes to Their Corresponding Acids
Patent: 4,317,927 →
Application: 06/187,020 →
Hydrocarbon Oxidation via Carbon Monoxide Reduced Catalyst
Patent: 4,328,365 →
Application: 06/198,699 →
Anaerobic Treatment
Patent: 4,366,059 →
Application: 06/198,909 →
Anaerobic Filter
Patent: 4,352,738 →
Application: 06/205,388 →
Ethylene Recovery from Ethyl Acrylate Process
Patent: 4,345,093 →
Application: 06/278,547 →
Process for Catalytically Converting Methanol to Formaldehyde
Patent: 4,358,623 →
Application: 06/286,235 →
Recovery of Catalytically-Useful Cobalt and Like Metal Moieties from Their Solid Oxalates with Edta Salts
Patent: 4,394,355 →
Application: 06/354,251 →
Anaerobic Treatment
Patent: 4,415,453 →
Application: 06/401,783 →
Control of Anaerobic Filter
Patent: 4,450,074 →
Application: 06/408,088 →
Separation and Production of Organic Saturated Monocarboxylic Acids
Patent: 4,487,720 →
Application: 06/423,899 →
Process for Producing Methyl Formate
Patent: 4,480,122 →
Application: 06/423,977 →
Separation of Ethyl Acetate from Methyl Ethyl Ketone by Extractive Distillation
Patent: 4,470,881 →
Application: 06/424,827 →
Production of Cupric and Manganous Alkanoates
Patent: 4,485,046 →
Application: 06/426,018 →
Hydroformylation Process
Patent: 4,480,138 →
Application: 06/433,749 →
Process for Converting Methanol to Formaldehyde
Patent: 4,450,301 →
Application: 06/435,848 →
Hydrolysis of Anhydride in the Production of C-5C-9 Saturated Aliphatic Monocarboxylic Acids
Patent: 4,529,550 →
Application: 06/458,423 →
Copper and Manganese Recovery from C5-C9 Saturated Aliphatic Monocarboxylic Acids
Patent: 4,500,464 →
Application: 06/466,447 →
Copper and Manganese Oxidation Catalysts Recovery from Aqueous Solutions
Patent: 4,485,047 →
Application: 06/466,448 →
Direct Hydrogenation of Carboxylic Acids to Alcohols and Esters
Patent: 4,480,115 →
Application: 06/476,310 →
Copper and Manganese Removal from C6-C9 Saturated Aliphatic Monocarboxylic Acids
Patent: 4,496,488 →
Application: 06/480,568 →
Process for Production of Alkyl Acrylates
Patent: 4,814,493 →
Application: 06/510,845 →
Process for Production of Ethyl Acrylate
Patent: 4,507,495 →
Application: 06/510,846 →
Stabilized Ethylenically Unsaturated Organic Compositions
Patent: 4,542,231 →
Application: 06/510,870 →
Anaerobic Filter
Patent: 4,568,464 →
Application: 06/571,132 →
Method of Manufacture for Paraformaldehyde Prills
Patent: 4,550,213 →
Application: 06/625,942 →
Removal of Iodide Compounds from Non-Aqueous Organic Media
Patent: 4,615,806 →
Application: 06/708,992 →
Process for Producing Hydroxy Aromatic Ketones
Patent: 4,607,125 →
Application: 06/721,007 →
Preparation of High Molecular Weight Polyacrylates by Inverse Emulsion Polymerization
Patent: 4,656,222 →
Application: 06/734,521 →
Production of 2-Methylbutanal
Patent: 4,605,781 →
Application: 06/772,219 →
Recovery of Rhodium from Hydroformylation Reaction Product
Patent: 4,613,701 →
Application: 06/777,648 →
Rhodium and Iodine Recovery Method
Patent: 4,628,041 →
Application: 06/827,699 →
Methanol Carbonylation Process
Patent: 5,001,259 →
Application: 06/870,267 →
Process for Purifying 4-Hydroxyacetophenone
Patent: 4,663,485 →
Application: 06/888,197 →
Process for Regenerating a Carbonylation Catalyst Solution to Remove Corrosion Metals and Carbonylation of Methanol to Acetic Acid
Patent: 4,894,477 →
Application: 06/918,740 →
Separation of Formic Acid from Acetic Acid by Extractive Distillation
Patent: 4,692,219 →
Application: 06/937,401 →
Inhibition of Polymerization Fouling During Distillation of Monomers in the Presence of Sulfur Oxides
Patent: 4,754,058 →
Application: 07/057,480 →
Recovery of Acrylic Acid and/or Ethyl Acrylate from Black Acid
Patent: 5,145,989 →
Application: 07/073,782 →
Addition of Hydrogen to Carbon Monoxide Feed Gas in Producing Acetic Acid by Carbonylation of Methanol
Patent: 4,994,608 →
Application: 07/082,945 →
Rhodium Recovery from Hydroformylation Reaction Product
Patent: 4,871,879 →
Application: 07/114,171 →
Process for Making 1,3-Diols from Epoxides
Patent: 4,873,378 →
Application: 07/133,116 →
Hydroformylation of Aqueous Formaldehyde Using a Rhodium- Tricyclohexylphosphine Catalyst System
Patent: 4,847,423 →
Application: 07/163,450 →
Accelerated Preparation of Esters
Patent: 4,859,792 →
Application: 07/168,564 →
Accelerated Preparation of Carboxylic Acid Esters
Patent: 4,868,329 →
Application: 07/168,565 →
Process for Making 1,3-Diols from Epoxides
Patent: 4,873,379 →
Application: 07/198,364 →
Production of Acetaminophen
Patent: 4,954,652 →
Application: 07/217,652 →
Process for Drying Hydrogen Fluoride - Carboxylic Acid Mixtures
Patent: 4,894,482 →
Application: 07/281,302 →
Process for Making, 1,3-Diols from Epoxides
Patent: 4,935,554 →
Application: 07/381,546 →
Process for Preparing 4-Hydroxyacetophenone Oxime with Mother Liquor Recycle
Patent: 4,994,613 →
Application: 07/470,410 →
Recovery of Acrylic Acid and/or Ethyl Acrylate from Black Acid
Patent: 4,968,834 →
Application: 07/521,294 →
Methanol Carbonylation Process
Patent: 5,026,908 →
Application: 07/528,496 →
Production of Acetaminophen
Patent: 5,155,273 →
Application: 07/556,589 →
Process for Making 1,3-Diols from Epoxides
Patent: 5,053,562 →
Application: 07/560,709 →
Methanol Carbonylation Process
Patent: 5,144,068 →
Application: 07/615,846 →
Purification Process for Methyl Acetate
Patent: 5,206,434 →
Application: 07/615,939 →
Production of Ethyl 3-Ethoxypropanoate by Acid Catalyzed Addition of Ethanol to Ethyl Acrylate
Patent: 5,081,285 →
Application: 07/659,790 →
Purification of Acetic Acid with Ozone Followed by Treatment with Activated Carbon and/or an Ion-Exchange Resin
Patent: 5,155,265 →
Application: 07/687,098 →
Purification of Acetic Acid with Ozone in the Presence of an Oxidation Catalyst
Patent: 5,155,266 →
Application: 07/687,099 →
Method for the Manufacture of 1, 3-Propanediol
Patent: 5,093,537 →
Application: 07/735,391 →
Process for Acetic Acid Preparation and Heterogenous Catalyst for Same
Patent: 5,155,261 →
Application: 07/787,767 →
Removal of Halide Impurities from Organic Liquids
Patent: 5,300,685 →
Application: 07/799,455 →
Purification of Acetic Acid Produced by the Low Water Carbonylation of Methanol by Treatment with Ozone
Patent: 5,202,481 →
Application: 07/845,368 →
Polymeric Carbonylation Catalyst System
Patent: 5,281,359 →
Application: 07/938,787 →
Vinyl Acetate Catalyst Preparation Method
Patent: 5,332,710 →
Application: 07/961,738 →
Vinyl Acetate Catalyst Preparation Method
Patent: 5,314,858 →
Application: 07/961,739 →
Removal of Carbonyl Impurities from a Carbonylation Process Stream
Patent: 5,371,286 →
Application: 08/052,429 →
Process for Preparing Color-Stabilized Acetaminophen
Patent: 5,344,979 →
Application: 08/054,733 →
Color Control & Stability in Acetaminophen
Patent: 5,399,760 →
Application: 08/105,724 →
Polymeric Carbonylation Catalyst System
Patent: 5,466,874 →
Application: 08/110,999 →
Coupled Secondary Oxo Reaction System
Patent: 5,367,106 →
Application: 08/123,075 →
Control System for Acetic Acid Manufacturing Process
Patent: 5,352,415 →
Application: 08/129,971 →
Control System for an Acetic Acid Manufacturing Process
Patent: 5,374,774 →
Application: 08/186,747 →
Method for the Purification of Acetaminophen
Patent: 5,981,799 →
Application: 08/213,375 →
Trimethylolpropane Color Improvement
Patent: 5,603,835 →
Application: 08/278,352 →
Process for Recovering Ethylene Oxide
Patent: 5,529,667 →
Application: 08/347,622 →
Process for Purifying Acids Formed During Liquid Phase Oxidation of Butane
Patent: 5,516,406 →
Application: 08/356,610 →
Recovery of Acetic Acid from Dilute Aqueous Streams Formed During a Carbonylation Process
Patent: 5,599,976 →
Application: 08/418,333 →
Catalyst and Procedure for Preparation of Vinyl Acetate
Patent: 5,576,457 →
Application: 08/448,146 →
Catalyst for Vinyl Acetate Manufacture
Application: 08/449,604 →
Process for Preparing Acyl Aminophenols
Patent: 5,648,535 →
Application: 08/451,338 →
Synthesis of and Hydroformylation with Fluoro-Substituted Bidentate Phosphine Ligands
Patent: 5,567,856 →
Application: 08/453,283 →
Removal of Carbonyl Impurities from a Carbonylation Process Stream
Patent: 5,783,731 →
Application: 08/526,338 →
Honeycomb Catalyst for Vinyl Acetate Synthesis
Patent: 5,705,679 →
Application: 08/627,960 →
Synthesis of and Hydroformylation with Fluoro-Substituted Bidentate Phosphine Ligands
Patent: 5,616,785 →
Application: 08/630,145 →
Synthesis of and Hydroformylation with Fluoro-Substituted Bidentate Phosphine Ligands
Patent: 5,710,337 →
Application: 08/630,146 →
Synthesis of and Hydroformylation with Fluoro-Substituted Bidentate Phosphine Ligands
Patent: 5,710,338 →
Application: 08/630,316 →
Synthesis of and Hydroformylation with Fluoro-Substituted Bidentate Phosphine Ligands
Patent: 5,789,624 →
Application: 08/630,813 →
Aryl Diphosphines and Catalysts Containing the Same
Patent: 5,777,087 →
Application: 08/634,487 →
Chemical Processes Using Aryl Diphosphine Containing Catalysts
Patent: 6,043,398 →
Application: 08/634,533 →
Process for Preparing Diphospines Ligands and Catalysts Cotaining the Same
Patent: 5,929,273 →
Application: 08/634,534 →
Heterogeneous Bimetallic Palladium-Gold Catalyst for Vinyl Acetate Production
Patent: 5,700,753 →
Application: 08/655,571 →
Palladium-Gold Catalyst for Vinyl Acetate Production
Patent: 5,693,586 →
Application: 08/670,860 →
Two Step Gold Addition Method for Preparing a Vinyl Acetate Catalyst
Patent: 5,691,267 →
Application: 08/696,413 →
Phosphines and Catalysts Containing the Same
Patent: 5,817,775 →
Application: 08/731,232 →
Process for Improving Productivity of a Carbonylation Catalyst Solution by Removing Corrosion Metals
Patent: 5,731,252 →
Application: 08/786,016 →
Addition of Amine to Improve Parafomaldehyde
Patent: 5,898,087 →
Application: 08/820,795 →
Vinyl Acetate Catalyst Comprising Palladium and Gold Deposited on a Copper Containing Carrier
Patent: 5,968,869 →
Application: 08/867,911 →
Vinyl Acetate Process Utilizing a Palladium-Gold-Copper Catalyst
Patent: 5,731,457 →
Application: 08/870,120 →
Honeycomb Catalyst for Vinyl Acetate Synthesis
Patent: 5,854,171 →
Application: 08/933,649 →
Process Improvement to Produce Low Color Trimethylolpropane
Patent: 5,948,943 →
Application: 08/951,607 →
Removal of Permanganate Reducing Compounds and Alkyl Iodides from a Carbonylation Process Stream
Patent: 6,143,930 →
Application: 08/951,952 →
Process for the Production of N Butanol
Patent: 5,922,921 →
Application: 08/957,914 →
Vinyl Acetate Catalyst Comprising Metallic Palladium and Gold and Cupric Acetate
Patent: 5,948,724 →
Application: 08/959,897 →
Vinyl Acetate Catalyst Comprising Palladium, Gold, and Any of Certain Third Metals
Patent: 5,859,287 →
Application: 08/960,888 →
Sulfur Removal Process from an Acrylate Waste Stream
Patent: 6,084,122 →
Application: 08/961,596 →
Sulfur Removal Process from an Acrylate Stream
Application: 08/962,426 →
Process for the Production of N-Propanol
Patent: 5,866,725 →
Application: 08/989,144 →
Vinyl Acetate Catalyst Comprising Palladium, Gold, Copper and Any of Certain Fourth Metals
Patent: 6,072,078 →
Application: 08/989,886 →
Solenoid Stator Assembly
Application: 08/992,162 →
Vinyl Acetate Catalyst Preparation Method
Patent: 6,034,030 →
Application: 09/026,644 →
Related Assignments (21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. May 18, 1981
From: HARRIS MARVIN E. JR.; THIGPEN HUBERT H.
To: CELANESE CORPORATION, A CORP. OF DE.
Reel/Frame 003853/0239 →
Assignment of Assignors Interest. Aug 3, 1981
From: HORLENKO THEODORE; PAUL JAMES L.; GORDON JAMES W.
To: CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 003885/0805 →
Assignment of Assignors Interest. Nov 5, 1981
From: WITT, ENRIQUE R.; HUMPHREY, WILLIAM J.; CAVE, JAMES P.
To: CELANESE CORPORATION
Reel/Frame 003923/0498 →
Assignment of Assignors Interest. Jan 29, 1982
From: SLINKARD, WILLIAM E.; BAYLIS, ANTHONY B.
To: CELANSE CORPORATION, A CORP. OF DE.
Reel/Frame 003946/0444 →
Assignment of Assignors Interest. Jun 7, 1982
From: PILAT, HOWARD L.; MOORE, JERRY D.; CHOSNEK, JACK
To: CELANESE CORPORATION, A CORP. OF DE.
Reel/Frame 003998/0439 →
Assignment of Assignors Interest. Jun 24, 1982
From: BLAY, GEORGE A.; WITT, ENRIQUE R.
To: CELANESE CORPORATION
Reel/Frame 004006/0237 →
Assignment of Assignors Interest. Aug 23, 1982
From: MURPHY, CARL D.; MC MILLAN, WILLIAM P.
To: CELANESE CORPORATION
Reel/Frame 004028/0492 →
Assignment of Assignors Interest. Apr 13, 1983
From: FRUGE, JAMES D.
To: CELANESE CORPORATION
Reel/Frame 004116/0228 →
Assignment of Assignors Interest. Feb 13, 1984
From: MC MILLAN, WILLIAM P.; HOBBS, CHARLES C. JR.; GERBERICH, H. ROBERT; JUNKER, MICHAEL L.
To: CELANESE CORPORATION
Reel/Frame 004220/0215 →
Assignment of Assignors Interest. Jul 2, 1984
From: BERG, LLOYD
To: CELANESE CORPORATION
Reel/Frame 004280/0485 →
Assignment of Assignors Interest. Jul 25, 1984
From: HACKMAN, E. B.; ZEAGLER, L. D.
To: CELANESE CORPORATION
Reel/Frame 004283/0267 →
Assignment of Assignors Interest. Aug 13, 1984
From: MC GINNIS, JAMES L.
To: CELANESE CORPORATION
Reel/Frame 004288/0574 →
Assignment of Assignors Interest. Aug 23, 1984
From: HORLENKO, THEDORE; AGUILO, ADOLFO
To: CELANESE CORPORATION, A DE CORP.
Reel/Frame 004291/0497 →
Assignment of Assignors Interest. Sep 17, 1984
From: FRUCHEY, OLAN S.
To: CELANESE CORPORATION A CORP. OF DE
Reel/Frame 004300/0540 →
Assignment of Assignors Interest. Sep 17, 1984
From: FRUCHEY, OLAN S.
To: CELANESE CORPORATION A CORP. OF DE
Reel/Frame 004300/0539 →
Assignment of Assignors Interest. Sep 17, 1984
From: FRUCHEY, OLAN S.; DE LA GARZA, EDWARD M.
To: CELANESE CORPORATION A CORP. OF DE
Reel/Frame 004300/0541 →
Assignment of Assignors Interest. Sep 20, 1984
From: FRUCHEY, OLAN S.
To: CELANESE CORPORATION A CORP. OF DE
Reel/Frame 004300/0806 →
Assignment of Assignors Interest. Sep 20, 1984
From: CHASE, JOSEPH D.; WILKISON, WILLIAM W.
To: CELANESE CORPORATION ADE CORP
Reel/Frame 004300/0794 →
Assignment of Assignors Interest. Nov 1, 1984
From: DUEY, CLARENCE J. JR.
To: CELANESE CORPORATION, A CORP OF DE
Reel/Frame 004323/0844 →
Assignment of Assignors Interest. May 6, 1985
From: FRUCHEY, OLAN S.; ALDER, JAMES S.
To: CELANESE CORPORATION, A CORP OF DE
Reel/Frame 004397/0330 →
Merger Mar 10, 1989
From: CELANESE CORPORATION, A CORP. OF DE (MERGED INTO)
To: AMERICAN HOECHST CORPORATION, A CORP. OF DE
Reel/Frame 005046/0390 →