IP Library Assignment 013367/0833
Patent Assignment
Reel/Frame 013367/0833

Assignment of Assignor's Interest

Recorded: 2002-09-30 Pages: 2
Assignors
ZHANG, PENG
Executed: 2002-08-20
KING, DANIELLE MEGAN
Executed: 2002-08-20
KARWACKI, EUGENE JOSEPH
Executed: 2002-08-20
BARBER, LESLIE COX
Executed: 2002-08-19
Assignee
AIR PRODUCTS AND CHEMICALS, INC.
7201 HAMILTON BOULEVARD, PATENT DEPARTMENT, ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property (1)
Acetylenic Diol Surfactant Solutions and Methods of Using Same
Patent: 6,641,986 →
Application: 10/218,068 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 1, 2017
From: AIR PRODUCTS AND CHEMICALS, INC.
To: EVONIK DEGUSSA GMBH
Reel/Frame 042374/0760 →
Change of Name Dec 16, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051301/0646 →