Patent Assignment
Reel/Frame 003967/0637
Assignment of Assignors Interest.
Recorded: 1982-04-19
Pages: 1
Assignor
DAMMANN, LAURENCE G.
Executed: 1981-03-26
Assignee
CELANESE CORPORATION
1211 AVENUE OF THE AMERICAS, A CORP. OF DE, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Polyacrylate Thickening Agents
Patent:
4,338,239 →
Application:
06/248,164 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.