IP Library Assignment 003879/0658
Patent Assignment
Reel/Frame 003879/0658

Assignment of Assignors Interest.

Recorded: 1981-04-16 Pages: 1
Assignor
WEMPE LAWRENCE K.
Executed: 1981-04-10
Assignee
AIR PRODUCTS AND CHEMICALS, INC., A CORP. OF DE.
P.O. BOX 538, ALLENTOWN, PENNSYLVANIA, 18105
Covered Property (1)
Release Coatings Based on Polyvinyl Alcohol
Patent: 4,386,183 →
Application: 06/254,833 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 8, 2001
From: AIR PRODUCTS & CHEMICALS, INC.
To: CELANESE INTERNATIONAL CORPORATION
Reel/Frame 011449/0366 →