Patent Assignment
Reel/Frame 004846/0265
Assignment of Assignors Interest.
Recorded: 1988-02-29
Pages: 1
Assignor
WU, CHING-YONG
Executed: 1987-12-16
Assignee
KOPPERS COMPANY, INC.
436 SEVENTH AVENUE, A DE CORP., PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Decomposition of Dihydroperoxide to Resorcinol
Patent:
4,847,436 →
Application:
07/136,316 →
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Dec 16, 1988
From: ISC ACQUISTION COMPANY
To: ALGEMENE BANK NEDERLAND N.V., HOUSTON AGENCY
Reel/Frame 004994/0188 →
Assignment of Assignors Interest.
Jan 23, 1989
From: KOPPERS COMPANY, INC.
To: ISC ACQUISTION COMPANY, A CORP. OF DE
Reel/Frame 005010/0410 →
Assignment of Assignors Interest.
Feb 9, 1989
From: KOPPERS COMPANY, INC.
To: ISC ACQUISITION COMPANY, A CORP. OF DE.
Reel/Frame 005018/0331 →
Change of Name
Aug 3, 1989
From: ISC ACQUISITION COMPANY
To: INDSPEC CHEMICAL CORPORATION
Reel/Frame 005132/0700 →
License
Dec 20, 1993
From: INDSPEC TECHNOLOGIES, LTD.
To: INDSPEC CHEMICAL CORPORATION
Reel/Frame 006804/0733 →
Change of Name Effective 1-17-89
Jan 27, 1994
From: ISC ACQUISITION COMPANY
To: INDSPEC CHEMICAL CORPORATION
Reel/Frame 006850/0023 →
Merger
Feb 7, 1994
From: INDSPEC CHEMICAL CORPORATION
To: INDSPEC TECHNOLOGIES LTD.
Reel/Frame 006853/0155 →
Security Interest
Oct 15, 1996
From: INDSPEC CHEMICAL CORPORATION; INDSPEC HOLDING CORPORATION; INDSPEC TECHNOLOGIES, LTD; ICC RESIN TECHNOLOGY, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 008167/0530 →
Security Agreement
Jul 6, 1998
From: INDSPEC CHEMICAL CORPORATION
To: ABN AMRO BANK N.V.
Reel/Frame 009297/0134 →
Reslease of Security Interest
Jul 6, 1998
From: PNC BANK, NATIONAL ASSOCIATION
To: INDSPEC CHEMICAL CORPORATION; INDSPEC HOLDING CORPORATION; INDSPEC TECHNOLOGIES, LTD.; ICC RESIN TECHNOLOGY, INC.
Reel/Frame 009297/0125 →
Release of Security Interest
May 12, 2006
From: INDSPEC CHEMICAL CORPORATION
To: ABN AMRO BANK N.V.
Reel/Frame 017606/0354 →