IP Library › Assignment 006875/0219
Patent Assignment
Reel/Frame 006875/0219

Lien on Patents and Pending Applications Therefor.

Recorded: 1994-02-17 Pages: 12
Assignor
KOPPERS INDUSTRIES, INC.
Executed: 1994-02-10
Assignee
MELLON BANK, N.A.
MELLON SQUARE, PITTSBURGH, PENNSYLVANIA, 15230
Covered Properties (6)
Process and Apparatus for Dehydrating Tars and Hydrocarbon Oils
Patent: 4,197,190 →
Application: 05/919,223 →
Process for Obtaining Para-Cresol and Meta-Cresol from a Mixture of Methylated and Ethylated Phenols Characterized by Selective Complexation with Calcium Bromide and Sodium Acetate
Patent: 4,267,390 →
Application: 06/053,195 →
Process for Obtaining Para-Cresol and Meta-Cresol from a Mixture of Methylated and Ethylated Phenols Characterized by Urea Clathration of Metal Cresol
Patent: 4,267,391 →
Application: 06/053,531 →
Process for Obtaining Para-Cresol and Meta-Cresol from a Mixture of Methylated and Ethylated Phenols Containing Meta-Para-Cresol
Patent: 4,267,392 →
Application: 06/053,532 →
Separation of Phenols
Patent: 4,275,246 →
Application: 06/053,968 →
Complex Formed to Separate 3,5-Xylenol or 3,4-Xylenol from Other Polymethylated Phenolic Compounds
Patent: 4,499,312 →
Application: 06/582,082 →
Related Assignments (9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Dec 22, 1980
From: LESTON GERD
To: KOPPERS COMPANY, INC.
Reel/Frame 003815/0649 →
Assignment of Assignors Interest. Dec 22, 1980
From: LESTON GERD
To: KOPPERS COMPANY, INC.
Reel/Frame 003816/0070 →
Assignment of Assignors Interest. Dec 22, 1980
From: LESTON GERD
To: KOPPERS COMPANY, INC.
Reel/Frame 003816/0069 →
Assignment of Assignors Interest. Feb 12, 1981
From: GRECO NICHOLAS P.
To: KOPPERS COMPANY, INC.
Reel/Frame 003828/0397 →
Assignment of Assignors Interest. Feb 16, 1989
From: KOPPERS COMPANY, INC.
To: KOPPERS INDUSTRIES, INC., A CORP. OF PA
Reel/Frame 005126/0140 →
Security Interest Feb 27, 1989
From: KOPPERS INDUSTRIES, INC.
To: KOPPERS AND MELLON BANK, N.A.
Reel/Frame 005026/0517 →
Assignment of Assignor's Interest Feb 17, 1994
From: MELLON BANK, N.A.
To: KOPPERS INDUSTRIES, INC.
Reel/Frame 006875/0231 →
Security Interest Mar 27, 1996
From: KOPPERS INDUSTRIES, INC.
To: MELLON BANK, N.A.
Reel/Frame 007863/0001 →
Security Agreement Jan 14, 1998
From: KOPPERS INDUSTRIES, INC.
To: MELLON BANK, N.A.
Reel/Frame 008869/0926 →