Patent Assignment
Reel/Frame 004181/0091
Assignment of Assignors Interest.
Recorded: 1983-09-26
Pages: 2
Assignor
HERCULES INCORPORATED 910 MARKET ST., WILMINGTON, DE A CORP. OF DE
Executed: 1983-04-12
Assignee
HERCULES INCORPORATED, A CORP. OF DE
910 MARKET ST., WILMINGTON, DELAWARE
Covered Properties
(3)
Polymer Solutions for Use in Oil Recovery
Patent:
4,265,673 →
Application:
06/050,322 →
Indican and Suspensions and Gels Thereof and Their Uses
Patent:
4,338,432 →
Application:
06/126,311 →
Suspensions and Gels of Indican and Thier Uses
Patent:
4,372,785 →
Application:
06/354,210 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 3, 1982
From: LAWSON, CHRISTOPHER J.; SYMES, KENNETH C.
To: TALRES DEVELOPMENT (N.A.) N.V.; A NETHERLANDS ANTILLES COMPANY
Reel/Frame 003982/0711 →
Assignment of Assignors Interest.
Aug 22, 1988
From: HERCULES INCORPORATED, A DE. CORP.
To: AQUALON COMPANY, A GENERAL PARTNERSHIP OF DELAWARE
Reel/Frame 004941/0257 →