IP Library Assignment 005326/0709
Patent Assignment
Reel/Frame 005326/0709

Assignment of Assignors Interest.

Recorded: 1990-05-10 Pages: 2
Assignors
VON BONIN, WULF
Executed: 1990-05-03
SCHAPEL, DIETMAR
Executed: 1990-05-03
Assignee
Covered Property (1)
Fire Retardant Foams Comprising Expandable Graphite, Amine Salts and Phosphorous Polyols
Patent: 5,173,515 →
Application: 07/521,789 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 10, 1990
From: SCHLUMPF, HANS-PETER; PFISTER, HANS JORG; HALDEMANN, PETER
To: PLUSS-STAUFER AG
Reel/Frame 005310/0700 →
Assignment of Assignor's Interest Nov 1, 2006
From: BAYER AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018463/0662 →