Patent Assignment
Reel/Frame 004494/0197
Assignment of Assignors Interest. Subject to License Recited.
Recorded: 1986-01-07
Pages: 2
Assignor
ROHM AND HAAS COMPANY, A CORP. OF DE.
Executed: 1985-12-05
Covered Properties
(2)
Copolyester of Polyethylene Terephthalate and Sulfonyl Diphenol
Patent:
4,436,893 →
Application:
06/436,228 →
Copolyester of Polyethylene Terephthalate and Bis (4-Beta Hydroxy Ethoxy Phenyl) Sulfone
Patent:
4,547,563 →
Application:
06/558,083 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 15, 1983
From: CHOLOD, MICHAEL S.
To: ROHM AND HASS COMPANY INDEPENDENCE MALL W. PHILADELPHIA PA 19105 A CORP
Reel/Frame 004201/0556 →
Assignment of Assignors Interest.
Jul 3, 1985
From: CHOLOD, MICHAEL S.
To: ROHM AND HAAS COMPANY
Reel/Frame 004429/0128 →
Merger
Jun 20, 1986
From: CARODEL CORPORATION
To: ICI AMERICAS INC.
Reel/Frame 004563/0692 →