IP Library Assignment 005086/0443
Patent Assignment
Reel/Frame 005086/0443

Assignment of Assignors Interest.

Recorded: 1989-05-30 Pages: 1
Assignors
SHARIFIAN, HOSSEIN
Executed: 1989-05-26
DUTCHER, JOHN S.
Executed: 1989-05-26
Assignee
SOUTHWESTERN ANALYTICAL CHEMICALS, INC., A CORP. OF TX
821 EAST WOODWARD, AUSTIN, TEXAS, 78704
Covered Property (1)
Production of Quaternary Ammonium and Quaternary Phosphonium Borohydrides
Patent: 4,904,357 →
Application: 07/358,884 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective on 03/11/1991 May 1, 1992
From: SOUTHWESTERN ANALYTICAL CHEMICALS, INC., A CORPORATION OF TX
To: SACHEM, INC.
Reel/Frame 006101/0177 →