Patent Assignment
Reel/Frame 003835/0828
Assignment of Assignors Interest.
Recorded: 1981-03-02
Pages: 2
Assignor
POLLARD JOHN K. JR.
Executed: 1981-02-20
Assignee
CALBIOCHEM-BEHRING CORP., A CORP. OF DE.
10933 NORTH TORREY PINES RD.,, LA JOLLA,, CALIFORNIA, 92037
Covered Property
(1)
Material and Method for Removing Immunoglobulins from Whole Blood
Patent:
4,409,330 →
Application:
06/209,872 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Effective Date: 12/29/81
Feb 7, 1983
From: CALBIOCHEM-BEHRING CORP.
To: AMERICAN HOECHST CORPORATION
Reel/Frame 004093/0784 →
Assignment of Assignors Interest.
Nov 21, 1988
From: HOECHST CELANESE CORPORATION
To: CALBIOCHEM CORPORATION, 10933 NORTH TORREY PINES ROAD, SAN DIEGO, CA 92112, A CA CORP.
Reel/Frame 004982/0495 →