Patent Assignment
Reel/Frame 005560/0571
Assignment of Assignors Interest.
Recorded: 1991-01-07
Pages: 8
Assignee
DOW CORNING CORPORATION, A CORP. OF MI
MIDLAND, MICHIGAN
Covered Property
(1)
Method of Recovering Oil from the Surface of Water
Patent:
5,135,660 →
Application:
07/637,730 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 6, 2000
From: DOW CORNING CORPORATION
To: ADVANCED POLYMER SYSTEMS, INC.
Reel/Frame 010676/0509 →
Assignment of Assignor's Interest
Aug 7, 2000
From: ADVANCED POLYMER SYSTEMS, INC., A CORP. OF DELAWARE
To: R.P. SCHERER SOUTH, INC.
Reel/Frame 011111/0795 →
Assignment of Assignor's Interest
Dec 21, 2004
From: CARDINAL HEALTH 409, INC. (F/K/A R.P. SCHERER CORPORATION) AND CARDINAL HEALTH 403, INC.
To: AMCOL HEALTH & BEAUTY SOLUTIONS, INCORPORATED
Reel/Frame 015478/0312 →