IP Library Assignment 004542/0001
Patent Assignment
Reel/Frame 004542/0001

Assignment of Assignors Interest.

Recorded: 1986-04-21 Pages: 1
Assignors
ALEXANDER, WILLIAM
Executed: 1986-04-15
REGAN, BARBARA R.
Executed: 1986-04-15
ANDERSON, MARK
Executed: 1986-04-15
Assignee
AMERICAN COLLOID COMPANY, A CORP. OF DE.
5100 SUFFIELD COURT, SKOKIE, ILLINOIS, 60077
Covered Property (1)
Water Absorbent Styrene-Acrylic Acid
Patent: 4,677,174 →
Application: 06/854,000 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Dec 18, 1995
From: AMERICAN COLLOID COMPANY
To: AMCOL INTERNATIONAL CORPORATION, A DELAWARE CORPORATION
Reel/Frame 007749/0264 →
Assignment of Assignor's Interest Aug 14, 2000
From: AMCOL INTERNATIONAL CORPORATION
To: BASF AKTIENGESELLSCHAFT
Reel/Frame 011084/0117 →