Patent Assignment
Reel/Frame 018228/0530
Assignment of Assignor's Interest
Recorded: 2006-09-11
Pages: 5
Assignee
KOPPERS INDUSTRIES OF DELAWARE, INC.
436 SEVENTH AVENUE, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process
Application:
11/127,039 →
Publication:
US 2005/0263436
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
First Amendment to Patent, Trademark and Copyright Security Agreement
Aug 17, 2005
From: KOPPERS INC.; KOPPERS REDEMPTION, INC.; WORLD-WIDE VENTURES CORPORATION; KOPPERS DELAWARE, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 016412/0484 →
Change of Name
Sep 11, 2006
From: KOPPERS INDUSTRIES OF DELAWARE, INC.
To: KOPPERS DELAWARE, INC.
Reel/Frame 018230/0372 →