IP Library › Assignment 012983/0754
Patent Assignment
Reel/Frame 012983/0754

Assignment of Assignor's Interest

Recorded: 2002-06-14 Pages: 11
Assignor
BETZDEARBORN, INC.
Executed: 2002-04-28
Assignee
HERCULES INCORPORATED
LAW DEPARTMENT, 8TH FLOOR, 1313 N. MARKET STREET HERCULES PLAZA, WILMINGTON, DELAWARE, 19894
Covered Properties (117)
Wet Strength Material
Patent: 4,566,943 →
Application: 06/673,837 →
Retention and Drainage Aid
Patent: 4,565,604 →
Application: 06/687,682 →
Composition Killing or Inhibiting the Growth of Microorganisms and the Use Thereof
Patent: 4,879,306 →
Application: 06/780,784 →
Detackification of Adhesive Materials Contained in Secondary Fiber with Polyvinyl Alcohol
Patent: 4,886,575 →
Application: 06/785,420 →
Polyamidoaminepolyamine Having Weight Average Molecular Weight of Least 5X10
Patent: 4,689,374 →
Application: 06/845,485 →
Detackification of Adhesive Materials Contained in Secondary Fiber
Patent: 4,698,133 →
Application: 06/856,733 →
Process for Controlling Pitch Deposition from Pulp in Papermaking Systems
Patent: 4,744,865 →
Application: 06/870,212 →
Pitch Control Process Utilizing Quaternized Polyamine Ionene Polymer
Patent: 4,765,867 →
Application: 06/881,379 →
Water Soluble Thermosetting Resin, Process for Its Production, Paper Sizing Composition and Paper Sizing Process
Patent: 4,895,621 →
Application: 06/932,117 →
Biocidal Compositions and Use Thereof Containing a Synergistic Mixture of 2-Bromo-2-Nitropropane-1,3-Diol and N-Dodecylguanidine
Patent: 4,725,623 →
Application: 07/018,883 →
Process for Inhibiting Aluminum Hydroxide Deposition in Papermaking Felts
Patent: 4,715,931 →
Application: 07/029,827 →
Biocidal Compositions and Use Thereof Containing a Synergistic Mixture of 2-Bromo-2-Nitropropane-1,3-Diol and Tri-N-Butyl Tetradecyl Phosphonium Chloride
Patent: 4,725,587 →
Application: 07/037,475 →
Detackification of Adhesive Materials Contained in Secondary Fiber
Patent: 4,781,794 →
Application: 07/075,370 →
Microbiological Control Process
Patent: 4,863,616 →
Application: 07/153,286 →
Process for Controlling Pitch Deposition from Pulp in Papermaking Systems
Patent: 4,846,933 →
Application: 07/157,445 →
Method of Enhancing the Cooking of Wood Chips for Pulp Production
Patent: 4,906,331 →
Application: 07/185,352 →
Method of Controlling Pitch Using a Cationically Modified Tannin
Patent: 4,964,952 →
Application: 07/187,628 →
Method for Calcium Oxalate Scale Control
Patent: 4,872,995 →
Application: 07/203,035 →
Process for Controlling Pitch Deposition from Pulp in Papermaking Systems
Patent: 4,871,424 →
Application: 07/205,566 →
Process for Inhibiting White Pitch Deposition in Papermaking Felts
Patent: 4,861,429 →
Application: 07/225,978 →
Papermaking Using Cationic Starch and Carboxymethyl Cellulose or Its Additionally Substituted Derivatives
Patent: 5,061,346 →
Application: 07/240,774 →
Press Felt Conditioner for Neutral and Alkaline Papermaking Systems
Patent: 4,895,622 →
Application: 07/269,218 →
Method of Generating Acrolein
Patent: 5,079,266 →
Application: 07/338,017 →
Microbiological Control Agent
Patent: 5,023,267 →
Application: 07/353,133 →
Process for Producing Kraft Pulp for Paper Using Nonionic Surface Active Agents to Improve Pulp Yield
Patent: 4,952,277 →
Application: 07/354,982 →
Sizing Composition, a Method for the Preparation Thereof and a Method of Use
Patent: 4,964,915 →
Application: 07/364,049 →
Method for Controlling Pitch in a Paper Making Machine
Patent: 5,223,097 →
Application: 07/368,972 →
Process for Controlling Pitch Deposition from Pulp in Papermaking Systems
Patent: 5,074,961 →
Application: 07/380,837 →
Detackification of Adhesive Materials Contained in Secondary Fiber Using Polyvinyl Alcohol
Patent: 4,956,051 →
Application: 07/386,543 →
Method of Enhancing Green Liquor Semi-Chemical Pulp Production
Patent: 5,127,993 →
Application: 07/463,084 →
Method for Effectively Breaking Up Latex-Coated Paper During Pulping to Decrease the Potential for White Pitch Deposition
Patent: 4,997,523 →
Application: 07/541,240 →
Controlling Deposits on Paper Machine Felts Using Cationic Polymer and Cationic Surfactant Mixture
Patent: 4,995,944 →
Application: 07/564,658 →
Biocidal Compositions and Use Thereof Containing a Synergistic Mixture of Glutaraldehyde and Dodecylguanidine Hydrochloride
Patent: 5,041,463 →
Application: 07/566,650 →
Biocidal Compositions and Use Thereof Containing a Synergistic Mixture of Glutaraldehyde and Bis(Trichloromethyl) Sulfone
Patent: 5,039,708 →
Application: 07/566,651 →
Biocidal Compositions and Use Thereof Containing a Synergistic Mixture of N-Tributyl Tetradecyl Phosphonium Chloride and B-Bromo-B- Nitrostyrene
Patent: 5,063,212 →
Application: 07/566,950 →
Use of Anionic Surfactant/Dispersant Blends for the Deinking of Groundwood Newsprint
Patent: 5,094,716 →
Application: 07/584,955 →
Antifoaming and Defoaming Compositions
Patent: 5,071,591 →
Application: 07/604,300 →
Polybutene Based Foam Control Compositions for Aqueous Systems
Patent: 5,229,033 →
Application: 07/651,160 →
Paper Mill Press Felt Conditioner
Patent: 5,167,767 →
Application: 07/674,486 →
Process and Composition for Deinking Dry Toner Electrostatic Printed Wastepaper
Patent: 5,141,598 →
Application: 07/691,210 →
Reduction of Stickers Contamination in Papermaking Process Using Recycled Paper
Patent: 5,139,616 →
Application: 07/706,826 →
Antifoam/Defoamer Composition and Method of Use Thereof in Aqueous Systems
Patent: 5,283,002 →
Application: 07/775,673 →
Pitch Control
Patent: 5,300,194 →
Application: 07/810,746 →
Biocidal Compositions & Use Thereof
Patent: 5,158,972 →
Application: 07/839,984 →
Creping Aid
Patent: 5,234,547 →
Application: 07/855,808 →
Methods for Controlling the Deposition of Organic Contaminants in Pulp and Papermaking Processes Using a Polyalkylene Oxide/Vinyl Acetate Graft Copolymer
Patent: 5,266,166 →
Application: 07/884,669 →
Water Based Biocide
Patent: 5,312,841 →
Application: 07/898,974 →
Ethoxylated Alcohol and Dialkylphenol Surfactants as Kraft Pulping Additives for Reject Reduction and Yield
Patent: 5,250,152 →
Application: 07/913,519 →
Methods for Inhibiting Barium Sulfate Deposition Using a Poly(Amine) Compound or Its Salts in Papermaking Systems
Patent: 5,256,253 →
Application: 07/934,841 →
Pitch Reduction on Paper Machine Forming Fabrics and Press Fabrics
Patent: 5,368,694 →
Application: 07/981,574 →
Quaternized Polyvinylamines for Deinking Loop Clarification
Patent: 5,269,942 →
Application: 08/000,424 →
Method for Inhibiting the Deposition of Organic Contaminants in Pulp and Papermaking Processes
Patent: 5,292,403 →
Application: 08/029,209 →
Apparatus for Dissolving Dry Polymer
Patent: 5,344,619 →
Application: 08/029,210 →
Method of Inhibitinh Valcium Oxalate Scale Deposition
Patent: 5,320,757 →
Application: 08/042,971 →
Methods of Controlling Scale Formation in the Presence of Metal Ions in Aqueous Systems
Patent: 5,368,740 →
Application: 08/052,303 →
Method for Improving Pulp Washing Efficiency
Patent: 5,405,498 →
Application: 08/080,910 →
Water Soluble Graft Copolymers and Methods of Use Thereof
Patent: 5,374,336 →
Application: 08/101,139 →
Anionic Sulfonate Surfactants in the Washing and Pulping Operation
Patent: 5,464,502 →
Application: 08/132,076 →
Water Soluble Graft Copolymers for Laser Print Deinking Loop Clarification
Patent: 5,387,318 →
Application: 08/169,819 →
Concentrated High Flash Point Surfactant Compositions
Patent: 5,415,798 →
Application: 08/182,814 →
Process and Composition for Controlling Microbial Growth
Patent: 5,416,121 →
Application: 08/183,546 →
Method and Composition for Controlling the Growth of Microorganisms
Patent: 5,416,122 →
Application: 08/183,550 →
Use of Anionic Surfactant/Dispersant Blends for the Deinking of Groundwood Newsprint
Patent: 5,387,355 →
Application: 08/184,723 →
Sterilization Process
Patent: 5,540,885 →
Application: 08/199,273 →
Method for Improving Retention and Drainage Characteristics in Alkaline Papermaking
Patent: 5,482,595 →
Application: 08/215,983 →
Method for Improving Retention and Drainage Characteristics in Alkaline Papermaking
Patent: 5,415,740 →
Application: 08/217,037 →
Antifoam Composition for Aqueous Starch and Paper Coating Systems
Patent: 5,538,668 →
Application: 08/233,603 →
Production of Paper and Paperboard
Patent: 6,273,998 →
Application: 08/291,309 →
Use of Polymers in the Recycled Fiber Washing/Deinking Process
Patent: 5,626,718 →
Application: 08/307,969 →
Methods and Compositions for Stabilizing Fatty Acid Imidazoline Solutions
Patent: 5,530,137 →
Application: 08/307,975 →
Methods of Controlling Scale Formation in the Presence of Metal Ions in Aqueous Systems
Patent: 5,468,393 →
Application: 08/326,452 →
Antifoam Composition for Aqueous Systems
Patent: 5,460,698 →
Application: 08/332,281 →
Method for Improving Retention and Drainage Characteristics in Alkaline Papermaking
Patent: 5,532,308 →
Application: 08/373,706 →
Method of Inhibiting Wet Strength Resin Deposition in Papermaking Felts
Patent: 5,520,781 →
Application: 08/392,279 →
Aqueous Stabilized Isothiazolone Blends
Patent: 5,512,213 →
Application: 08/396,940 →
Felt Conditioner for Deinked Recycled Newsprint Papermaking System
Patent: 5,575,893 →
Application: 08/404,771 →
Compositions and Methods for Inhibiting the Deposition of Organic Contaminants in Pulp and Papermaking Systems Using a Composition Comprising of Polyvinyl Alcohol and Gelatin
Patent: 5,536,363 →
Application: 08/421,349 →
Water-Soluble Cationic Copolymers and Their Use as Drainage Retention Aids in Papermaking Processes
Patent: 5,473,033 →
Application: 08/424,749 →
Method for Inhibiting the Deposition of Organic Contaminants in Polp and Papermaking Processes
Patent: 5,556,510 →
Application: 08/428,593 →
Method for Inhibiting Microbial Adhesion on Surfaces
Patent: 5,512,186 →
Application: 08/430,569 →
Method and Composition for Enhancing Biocidal Activity
Patent: 5,607,597 →
Application: 08/431,338 →
Pitch Control Aid
Patent: 5,626,720 →
Application: 08/440,299 →
Deposition Sensing Method and Apparatus
Patent: 5,646,338 →
Application: 08/461,073 →
Method of Controlling Foam in Aqueous Systems
Patent: 5,632,860 →
Application: 08/498,326 →
Water-Soluble Cationic Copolymers and Their Use as Flocculants and Drainage Retention Aids
Patent: 5,681,912 →
Application: 08/523,975 →
Calcium Carbonate Scale Controlling Method
Patent: 5,562,830 →
Application: 08/528,460 →
Method for Inhibiting Microbial Adhesion on Surfaces
Patent: 5,593,599 →
Application: 08/638,631 →
Deposition Control in Pulp and Papermaking Systems Using a Composition Comprising of Polyvinyl Alcohol and Gelatin
Patent: 5,779,858 →
Application: 08/651,077 →
Methods for Inhibiting Organic Contaminant Deposition in Pulp and Papermaking Systems
Patent: 5,746,888 →
Application: 08/677,181 →
Method for Inhibiting Deposition in Pulp and Papermaking Systems Using a Composition Comprising of Polyvinyl Alcohol,Gelatin and Cationic Polymer
Patent: 5,723,021 →
Application: 08/700,974 →
Deinking Wastepaper Containing Electrostatic Printed Ink Using Branch Alcohol Alkoxylate Surfactant
Patent: 5,885,413 →
Application: 08/749,873 →
Compositions and Methods for Inhibiting Organic Contaminant Deposition in Pulp and Papermaking Systems
Patent: 5,762,757 →
Application: 08/761,110 →
Method for Inhibiting Microbial Adhesion on Surfaces
Patent: 5,736,058 →
Application: 08/769,473 →
Water-Soluble Cationic Copolymers and Their Use as Flocculants
Patent: 5,720,888 →
Application: 08/771,361 →
Method for Enhancing Biocidal Activity
Patent: 5,736,056 →
Application: 08/783,683 →
Methods of Separating Lignin Solids and Black Liquor from Tall Oil Fatty Acids
Patent: 5,773,590 →
Application: 08/835,779 →
Method for Treatment of Paper Machine Press Section Felts
Patent: 5,776,310 →
Application: 08/842,142 →
Method for Dewatering Deinking Sludge Using a Water Soluble Block Copolymer
Patent: 5,800,719 →
Application: 08/856,218 →
Method and Composition for Inhibiting Microbial Adhesion on Surfaces
Patent: 6,110,381 →
Application: 08/867,135 →
Methods and Compositions for Treating Stickies
Patent: 5,936,024 →
Application: 08/870,780 →
Methods for Fumigating Soil Using Acrolien
Patent: 5,866,614 →
Application: 08/906,891 →
Compositions and Methods for Inhibiting the Deposition of Organic Contaminants in Pulp and Papermaking Systems
Patent: 5,866,618 →
Application: 08/907,325 →
Compositions and Methods for Inhibiting the Deposition of Organic Contaminants in Pulp and Papermaking Systems
Patent: 5,952,394 →
Application: 08/932,136 →
Method for Sulfite Pulping Using Surfactants
Application: 08/954,527 →
Methods for Inhibiting Organic Contaminant Deposition in Pulp and Papermaking Systems
Patent: 5,885,419 →
Application: 08/987,836 →
Composition for Inhibiting Microbial Adhesion on Surfaces
Patent: 5,942,219 →
Application: 08/993,085 →
Compositions and Methods for Inhibiting Organic Comtaminant Deposition in Pulp and Papermaking Systems
Patent: 6,143,800 →
Application: 09/016,180 →
Method for Inhibiting Microbial Adhesion on Surfaces
Patent: 6,241,898 →
Application: 09/039,967 →
Release Agent for Rolls and Method for Improving Release Properties of Rolls
Patent: 6,139,911 →
Application: 09/051,438 →
Primers for the Detection of Spore Forming Bacteria
Patent: 5,928,875 →
Application: 09/085,359 →
Paper Size and Paper Sizing Process
Patent: 6,159,339 →
Application: 09/125,525 →
Treatment for the Enhancement of Bacterial Exopolysaccharide Recovery
Patent: 6,066,479 →
Application: 09/133,538 →
Papermaking Aid
Patent: 6,168,686 →
Application: 09/152,695 →
Methods for Fumigating Soil
Patent: 6,294,584 →
Application: 09/240,155 →
Methods and Compositions for Treating Stickies
Patent: 6,150,452 →
Application: 09/317,212 →
Treatment for the Enhancement of Bacterial Exopolysaccharide Recovery
Patent: 6,251,641 →
Application: 09/468,542 →
Detection of spore bacteria
Application: 09/492,135 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Mar 24, 1988
From: HASSLER, THORD G. G.
To: W. R. GRACE AB, A CORP. OF SWEDEN
Reel/Frame 004838/0136 →
Assignment of Assignors Interest. May 5, 1988
From: CLARKSON, DOUGLAS; CLIFFORD, RICHARD P.; MARSHALL, ALAN
To: W.R. GRACE & CO.
Reel/Frame 004864/0245 →
Assignment of Assignors Interest. Jun 6, 1988
From: CHEN, FU; MICHALOPOULOS, DANIEL L.
To: BETZ LABORATORIES, INC.
Reel/Frame 004890/0052 →
Merger Effective: May 25, 1988 Aug 4, 1988
From: GRACE MERGER CORP.; W. R. GRACE & CO.,
To: W. R. GRACE & CO.-CONN., A CONN. CORP.
Reel/Frame 004936/0844 →
Merger Effective Date: May 25, 1988 Connecticut Aug 5, 1988
From: W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO); GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO)
To: W.R. GRACE & CO.-CONN.
Reel/Frame 004937/0001 →
Assignment of Assignors Interest. Oct 6, 1988
From: TAGGART, THOMAS E.; SCHUSTER, MICHAEL A.; SCHELLHAMER, ALAN J.
To: BETZ LABORATORIES, INC., A CORP. OF THE COMMONWEALTH OF PA
Reel/Frame 004958/0233 →
Assignment of Assignors Interest. Oct 6, 1988
From: BARNETT, DANIEL J.; MICHALOPOULOS, DANIEL L.
To: BETZ LABORATORIES, INC., A CORP. OF THE COMMONWEALTH OF PA
Reel/Frame 004958/0197 →
Assignment of Assignors Interest. Dec 12, 1988
From: BARNETT, DANIEL J.; KHAN, ABDUL Q.; KEEN, PATRICIA R.
To: BETZ LABORATORIES, INC., A CORP. OF THE COMMONWEALTH OF PA
Reel/Frame 004983/0771 →
Assignment of Assignors Interest. Jul 3, 1989
From: CHEN, CHENG-I; HANCOCK, THERESA D.
To: BETZ LABORATORIES, INC., A CORP. OF PA
Reel/Frame 005127/0540 →
Assignment of Assignors Interest. Jul 14, 1989
From: TEROSON GMBH, A CORP. OF THE FED. REP. OF GERMANY
To: GRACE SERVICE CHEMICALS GMBH, A CORP OF THE FED. REP. OF GERMANY
Reel/Frame 005165/0494 →
Assignment of Assignors Interest. Dec 18, 1989
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.,
Reel/Frame 005201/0844 →
Assignment of Assignors Interest. Feb 20, 1990
From: SCHUSTER, MICHAEL A.
To: BETZ LABORATORIES, INC.
Reel/Frame 005230/0497 →
Assignment of Assignors Interest. May 14, 1990
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 005311/0211 →
Assignment of Assignors Interest. Jun 15, 1990
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC., 7510 BAY MEADOWS WAY, JACKSONVILLE, FL 32216
Reel/Frame 005327/0451 →
Assignment of Assignors Interest. Jul 30, 1990
From: BENNISON, JOHN J.; CLIFFORD, RICHARD P.
To: W. R. GRACE & CO.-CONN.
Reel/Frame 005392/0030 →
Assignment of Assignors Interest. Aug 13, 1990
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 005415/0129 →
Merger Jun 26, 1996
From: GRACE SERVICE CHEMICALS GMBH
To: GRACE GMBH
Reel/Frame 008006/0705 →
Change of Name Jul 1, 1996
From: W.R. GRACE AB
To: GRACE DEARBORN AB
Reel/Frame 008006/0971 →
Change of Name Jul 10, 1996
From: W.R. GRACE AB
To: GRACE DEARBORN AB
Reel/Frame 008031/0221 →
Change of Name Sep 16, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008133/0558 →
Change of Name Oct 29, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008198/0663 →
Change of Name Oct 30, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN, INC.
Reel/Frame 008200/0163 →
Change of Name Dec 16, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008274/0338 →
Change of Name Jan 21, 1997
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008307/0759 →
Change of Name Mar 27, 1997
From: BETZ PAPERCHEM, INC.
To: BETZDEARBORN PAPER PROCESS GROUP INC.
Reel/Frame 008447/0273 →