Patent Assignment
Reel/Frame 003949/0903
Assignment of Assignors Interest.
Recorded: 1981-10-29
Pages: 3
Assignee
PPG INDUSTRIES INC., A CORP OF PA
PITTSBURGH, PENNSYLVANIA, 15222
Covered Property
(1)
Substituted Benzoic or Phenylacetic Acid Esters Having Plant Growth Regulating Properties
Patent:
4,388,473 →
Application:
06/316,256 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
May 17, 1988
From: PPG INDUSTRIES, INC.
To: AMERICAN CYANAMID COMPANY, A MAINE CORP.
Reel/Frame 004900/0506 →
Assignment of Assignor's Interest
Aug 28, 1995
From: AMERICAN CYANAMID
To: BRITISH TECHNOLOGY GROUP USA INC.
Reel/Frame 007596/0670 →
Assignment of Assignor's Interest
Jun 9, 1997
From: PPG INDUSTRIES, INC.
To: AMERICAN CYAMAMID COMPANY
Reel/Frame 008545/0093 →
Change of Name
Jul 28, 1998
From: BRITISH TECHNOLOGY GROUP USA INC.; BTG USA INC.
To: BTG INTERNATIONAL INC.
Reel/Frame 009350/0610 →