IP Library Assignment 004104/0910
Patent Assignment
Reel/Frame 004104/0910

Assignment of Assignors Interest.

Recorded: 1983-03-24 Pages: 1
Assignors
TAKEDA, HISAO
Executed: 1983-01-21
TANIGUCHI, YASUNORI
Executed: 1983-01-21
Assignee
AMERICAN COLLOID COMPANY, A CORP.OF DE.
5100 SUFFIELD COURT,, SKOKIE,, ILLINOIS, 60077
Covered Property (1)
Production Process for Highly Water Absorbable Polymer
Patent: 4,525,527 →
Application: 06/460,037 →
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 →