Patent Assignment
Reel/Frame 004456/0850
Assignment of Assignors Interest.
Recorded: 1985-09-24
Pages: 2
Assignee
DEARBORN CHEMICAL COPANY
300 GENESEE ST., A CORP OF DE, LAKE ZURICH, ILLINOIS, 60047
Covered Property
(1)
Stable Tannin Based Polymer Compound
Patent:
4,558,080 →
Application:
06/573,353 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Mar 19, 1986
From: DEARBORN CHEMICAL COMPANY
To: W.R. GRACE & CO.
Reel/Frame 004528/0776 →
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 →
Notice of Grant Security Interest
Jan 2, 2001
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERCULES CREDIT, INC., A DELAWARE CORPORATION; HERCULES FLAVOR, IN., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011436/0381 →
Release of Security Interest
Jan 2, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013625/0282 →