Patent Assignment
Reel/Frame 003953/0424
Assignment of Assignors Interest.
Recorded: 1981-11-20
Pages: 2
Assignee
DIAMOND SHAMROCK CORPORATION, A CORP. OF DE
DALLAS, TEXAS
Covered Property
(1)
Preparation of Ketones
Patent:
4,528,400 →
Application:
06/323,262 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 1, 1983
From: DIAMOND SHAMROCK CORPORATION A DE CORP.
To: SDS BIOTECH CORPORATION A DE CORP.
Reel/Frame 004160/0877 →
Released by Secured Party Previously Recorded on 4630 Frame 929
Oct 29, 1987
From: BANCAMERICA COMMERCIAL CORPORATION
To: RICERCA, INC., 7528 AUBURN ROAD, CONCORD TOWNSHIP, PAINESVILLE, OHIO 44077
Reel/Frame 004811/0354 →