IP Library › Assignment 021912/0620
Patent Assignment
Reel/Frame 021912/0620

Patent Termination Cs-013608-0107

Recorded: 2008-12-03 Pages: 7
Assignor
Assignee
HERCULES INCORPORATED
1313 NORTH MARKET STREET, HERCULES PLAZA, WILMINGTON, DELAWARE, 19894-0001
Covered Properties (50)
Detackification of Adhesive Materials Contained in Secondary Fiber with Polyvinyl Alcohol
Patent: 4,886,575 →
Application: 06/785,420 →
Detackification of Adhesive Materials Contained in Secondary Fiber
Patent: 4,698,133 →
Application: 06/856,733 →
Process for Inhibiting Aluminum Hydroxide Deposition in Papermaking Felts
Patent: 4,715,931 →
Application: 07/029,827 →
Detackification of Adhesive Materials Contained in Secondary Fiber
Patent: 4,781,794 →
Application: 07/075,370 →
Papermaking Using Cationic Starch and Carboxymethyl Cellulose or Its Additionally Substituted Derivatives
Patent: 5,061,346 →
Application: 07/240,774 →
Detackification of Adhesive Materials Contained in Secondary Fiber Using Polyvinyl Alcohol
Patent: 4,956,051 →
Application: 07/386,543 →
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 →
Use of Anionic Surfactant/Dispersant Blends for the Deinking of Groundwood Newsprint
Patent: 5,094,716 →
Application: 07/584,955 →
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 →
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 →
Quaternized Polyvinylamines for Deinking Loop Clarification
Patent: 5,269,942 →
Application: 08/000,424 →
Apparatus for Dissolving Dry Polymer
Patent: 5,344,619 →
Application: 08/029,210 →
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 →
Microbial Inhibiting Compositions and Their Use
Patent: 5,369,115 →
Application: 08/146,273 →
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 →
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 →
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 →
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 →
Method for Improving Retention and Drainage Characteristics in Alkaline Papermaking
Patent: 5,532,308 →
Application: 08/373,706 →
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 →
Method for Inhibiting the Deposition of Organic Contaminants in Polp and Papermaking Processes
Patent: 5,556,510 →
Application: 08/428,593 →
Method of Controlling Foam in Aqueous Systems
Patent: 5,632,860 →
Application: 08/498,326 →
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 →
Methods of Separating Lignin Solids and Black Liquor from Tall Oil Fatty Acids
Patent: 5,773,590 →
Application: 08/835,779 →
Method for Dewatering Deinking Sludge Using a Water Soluble Block Copolymer
Patent: 5,800,719 →
Application: 08/856,218 →
Methods and Compositions for Treating Stickies
Patent: 5,936,024 →
Application: 08/870,780 →
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 →
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 →
Papermaking Aid
Patent: 6,168,686 →
Application: 09/152,695 →
Methods and Compositions for Treating Stickies
Patent: 6,150,452 →
Application: 09/317,212 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 27, 1985
From: MORELAND, ROBERT D.
To: BETZLABORATORIES, INC., 4636 SOMERTON ROAD, TREVOSE, PA., 19047, A CORP OF PA.
Reel/Frame 004496/0027 →
Assignment of Assignors Interest. Jun 26, 1986
From: MORELAND, ROBERT D.
To: BETZ LABORATORIES, INC.
Reel/Frame 004566/0689 →
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. May 29, 1990
From: BETZ LABORATORIES, INC., 4636 SOMERTON RD., TREVOSE, PA. 19047
To: BETZ PAPERCHEM, INC.
Reel/Frame 005323/0285 →
Assignment of Assignors Interest. Aug 13, 1990
From: PEASE, JACQUELINE K.; DIXON, CATHERINE S.; MICHALOPOULOS, DANIEL L.
To: BETZ LABORATORIES, INC.
Reel/Frame 005411/0654 →
Assignment of Assignors Interest. Aug 13, 1990
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 005415/0129 →
Assignment of Assignors Interest. Oct 11, 1990
From: LETSCHER, MARY B.
To: BETZ LABORATORIES, INC.
Reel/Frame 005463/0707 →
Assignment of Assignors Interest. Dec 19, 1990
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 005556/0210 →
Assignment of Assignors Interest. Mar 11, 1991
From: NGUYEN, DUY T.; FADER, MITZI K.; HENDRIKS, WILLIAM A.
To: BETZ LABORATORIES, INC., A CORP. OF PA
Reel/Frame 005626/0441 →
Assignment of Assignors Interest. Apr 17, 1991
From: KHAN, ABDUL Q.; OWITI, CLARICE A.
To: BETZ LABORATORIES, INC., A CORP. OF PA
Reel/Frame 005665/0985 →
Assignment of Assignors Interest. May 24, 1991
From: RICHMANN, SANDRA K.; LETSCHER, MARY B.
To: BETZ LABORATORIES, INC. A CORP. OF PENNSYLVANIA
Reel/Frame 005712/0005 →
Assignment of Assignors Interest. Jul 1, 1991
From: LING, TIEN-FENG
To: BETZ LABORATORIES, INC. A CORPORATION OF PA
Reel/Frame 005748/0884 →
Assignment of Assignors Interest. Oct 7, 1991
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 005863/0701 →
Assignment of Assignors Interest. Nov 12, 1991
From: NGUYEN, DUY T.
To: BETZ LABORATORIES, INC.
Reel/Frame 005906/0849 →
Assignment of Assignors Interest. Apr 22, 1992
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006085/0566 →
Assignment of Assignors Interest. May 26, 1992
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006125/0754 →
Assignment of Assignors Interest. Jul 13, 1992
From: PATERSON, DONALD J.; PATERSON, DONALD J.
To: BETZ LABORATORIES, INC.; BETZ LABORATORIES, INC., A PA CORP.
Reel/Frame 006179/0090 →
Assignment of Assignors Interest. Aug 21, 1992
From: LING, TIEN-FENG; HANCOCK, THERESA D.
To: BETZ LABORATORIES, INC.
Reel/Frame 006223/0831 →
Assignment of Assignors Interest. Feb 16, 1993
From: HARRINGTON, JOHN C. IV; CHEN, JEN-CHI; CHEN, FU
To: BETZ LABORATORIES, INC.
Reel/Frame 006429/0770 →
Assignment of Assignors Interest. Apr 15, 1993
From: LARWICK, KEITH L.; DEMAREST, KEVIN A.
To: BETZ LABORATORIES, INC.
Reel/Frame 006505/0826 →
Assignment of Assignors Interest. May 4, 1993
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006512/0316 →
Assignment of Assignors Interest. May 7, 1993
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006516/0567 →
Assignment of Assignor's Interest Aug 13, 1993
From: PEASE, JACQUELINE K.
To: BETZ LABORATORIES, INC.
Reel/Frame 006650/0983 →
Assignment of Assignor's Interest Sep 7, 1993
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006683/0778 →
Assignment of Assignor's Interest Oct 6, 1993
From: LIN, JOHN T.; LIAO, WEN P.; CHEN, FU
To: BETZ LABORATORIES, INC.
Reel/Frame 006728/0883 →