IP Library › Assignment 003957/0734
Patent Assignment
Reel/Frame 003957/0734

Assignment of Assignors Interest.

Recorded: 1982-03-15 Pages: 1
Assignor
Assignee
SHINSHU SEIKI KABUSHIKI KAISHA
3-5, 3-CHOME OWA SUWASHI, NAGANO-KEN, JAPAN
Covered Property (1)
Demulsification Using Cationic Starches of the Quaternary Ammonium Typ E
Patent: 4,088,600 →
Application: 05/746,160 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Mar 19, 1986
From: DEARBORN CHEMICAL COMPANY
To: W.R. GRACE & CO.
Reel/Frame 004528/0776 →
Merger Effective Date: May 25, 1988 Connecticut Aug 5, 1988
From: W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO); GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO)
To: W.R. GRACE & CO.-CONN.
Reel/Frame 004937/0001 →