Patent Assignment
Reel/Frame 026257/0554
Assignment of Assignor's Interest
Recorded: 2011-05-11
Pages: 2
Assignors
BURGOYNE, WILLIAM FRANKLIN, JR.
Executed: 2011-04-11
CONNER, MARK DAVID
Executed: 2011-04-30
NORDQUIST, ANDREW FRANCIS
Executed: 2011-04-11
COLLINS, WILLIAM STEVEN
Executed: 2011-04-07
Assignee
AIR PRODUCTS AND CHEMICALS, INC.
7201 HAMILTON BLVD., PATENT DEPT., ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property
(1)
Polymeric Compositions Comprising Per(Phenylethynyl) Arene Derivatives
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 2, 2012
From: AIR PRODUCTS AND CHEMICALS, INC.
To: GREENE, TWEED IP, INC.
Reel/Frame 027974/0346 →
Assignment of Assignor's Interest
Nov 26, 2013
From: GREENE, TWEED IP, INC.
To: DELSPER LP
Reel/Frame 031679/0008 →
Assignment of Assignor's Interest
Feb 20, 2017
From: AIR PRODUCTS AND CHEMICALS, INC.
To: VERSUM MATERIALS US, LLC
Reel/Frame 041772/0733 →
Corrective Assignment to Correct the Declaration List of Patents Previously Recorded at Reel: 027974 Frame: 0346. Assignor(S) Hereby Confirms the Declaration .
Mar 25, 2022
From: DELSPER LP
To: DELSPER IP
Reel/Frame 059510/0251 →
Corrective Assignment to Correct the Declaration Previously Recorded at Reel: 059510 Frame: 0251. Assignor(S) Hereby Confirms the Declaration .
May 18, 2022
From: DELSPER LP
To: DELSPER LP
Reel/Frame 060982/0951 →