IP Library › Assignment 031924/0388
Patent Assignment
Reel/Frame 031924/0388

Assignment of Assignor's Interest

Recorded: 2014-01-09 Pages: 6
Assignors
DUFF, ROBERT JOHN
Executed: 2013-11-13
HUANG, ZHENG-ZHENG
Executed: 2012-12-13
RITTER, JOACHIM C
Executed: 2012-12-12
POLLINO, JOEL M
Executed: 2013-11-11
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Solution Phase Processing of Polyarylene Sulfide
Patent: 8,846,857 →
Application: 13/644,524 →
Publication: US 2014/0097134
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 26, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT POLYMERS, INC.
Reel/Frame 049590/0650 →