Patent Assignment
Reel/Frame 003810/0408
Assignment of Assignors Interest.
Recorded: 1980-11-17
Pages: 1
Assignor
BENJAMIN BRUCE WARREN
Executed: 1979-03-05
Assignee
Covered Property
(1)
Minimizing Polymerization During Recovery of Methacrylic Acid
Patent:
4,260,821 →
Application:
06/020,562 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 27, 1981
From: HALCON RESEARCH AND DEVELOPMENT CORPORATION, A CORP. OF DE
To: ATLANTIC RICHFIELD COMPANY
Reel/Frame 003845/0048 →
Merger and Change of Name (See Record for Details)
May 31, 1988
From: ATLANTIC RICHFIELD COMPANY (MERGED INTO); ATLANTIC RICHFIELD DELAWARE CORPORATION (CHANGED TO)
To: ATLANTIC RICHFIELD COMPANY
Reel/Frame 004911/0380 →
Assignment of Assignors Interest.
May 31, 1988
From: ATLANTIC RICHFIELD COMPANY
To: ARCO CHEMICAL COMPANY
Reel/Frame 004911/0448 →
Assignment of Assignors Interest.
Dec 5, 1988
From: ARCO CHEMICAL COMPANY
To: ARCO CHEMICAL TECHNOLOGY, INC., A CORP. OF DE
Reel/Frame 005010/0113 →
Assignment of Assignors Interest.
Jan 10, 1992
From: ARCO CHEMICAL TECHNOLOGY, INC.
To: ARCO CHEMICAL TECHNOLOGY, L.P. A PARTNERSHIP OF DE
Reel/Frame 005970/0340 →