Patent Assignment
Reel/Frame 008307/0759
Change of Name
Recorded: 1997-01-21
Pages: 13
Assignor
BETZ LABORATORIES, INC.
Executed: 1996-06-21
Assignee
BETZDEARBORN INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Properties
(6)
Methods for Suppressing Cement Clinker Dust Emissions
Patent:
4,897,218 →
Application:
07/041,902 →
Proportional Chemical Feeding System
Patent:
4,897,797 →
Application:
07/185,752 →
Water Treatment Polymers and Methods of Use Thereof
Patent:
4,895,916 →
Application:
07/215,105 →
Water Treatment Polymers and Methods of Use Thereof
Patent:
4,895,663 →
Application:
07/220,194 →
Water Treatment Polymers and Methods of Use Thereof
Patent:
4,895,664 →
Application:
07/220,195 →
Press Felt Conditioner for Neutral and Alkaline Papermaking Systems
Patent:
4,895,622 →
Application:
07/269,218 →
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 19, 1988
From: CHEN, FU; CAREY, WILLIAM S.
To: BETZ LABORATORIES, INC., U.S.A. A CORP. OF PA.
Reel/Frame 004928/0976 →
Assignment of Assignors Interest.
Nov 4, 1988
From: FREE, JEROME J. JR.; RODGERS, JAMES C.; LAWHON, DAVIE B.
To: BETZ LABORATORIES, INC., 4636 SOMERTON RD., TREVOSE, PA 19047 A CORP. OF PA
Reel/Frame 004976/0962 →
Assignment of Assignors Interest.
Nov 30, 1988
From: CHEN, FU
To: BETZ LABORATORIES INC., A CORP. OF PA
Reel/Frame 004978/0240 →
Assignment of Assignors Interest.
Dec 2, 1988
From: CHEN, FU
To: BETZ LABORATORIES, INC.
Reel/Frame 004969/0087 →
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 →
Notice of Grant of Security Interest
Jan 2, 2001
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERCULES CREDIT, INC., A DELAWARE CORPORATION; HERCULES FLAVOR, INC., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011410/0832 →
Assignment of Assignor's Interest
Jun 14, 2002
From: BETZDEARBORN, INC.
To: HERCULES INCORPORATED
Reel/Frame 012983/0754 →
Notice of Grant Security Interest
Dec 27, 2002
From: HERCULES INCORPORATED
To: CREDIT SUISSE FIRST BOSTON, AS COLLATERAL AGENT
Reel/Frame 013608/0837 →
Release of Security Agreement
Jan 2, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULESE FLAVOR, INC.; WSP, INC.
Reel/Frame 013625/0865 →
Patent Termination Cs-013608-0837
Dec 1, 2008
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: HERCULES INCORPORATED
Reel/Frame 021901/0257 →