IP Library Assignment 004927/0399
Patent Assignment
Reel/Frame 004927/0399

Assignment of Assignors Interest.

Recorded: 1988-08-05 Pages: 1
Assignor
ARPIN, RENE
Executed: 1988-07-05
Assignee
RHONE-POULENC CHIMIE
25, QUAI PAUL DOUMER, 92408 COURBEVOIE, FRANCE
Covered Property (1)
Thermally Stable Bisimido Copolymerizates
Patent: 4,994,536 →
Application: 07/210,508 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Feb 26, 1993
From: RHONE-POULENC CHIMIE
To: CIBA-GEIGY CORPORATION
Reel/Frame 006430/0899 →