Patent Assignment
Reel/Frame 005077/0878
License
Recorded: 1989-05-24
Pages: 2
Assignor
KOPPERS INDUSTRIES
Executed: 1989-04-17
Assignee
HARJU, PHILIP H.
6 MAPLE DR., SPRING CHURCH, PENNSYLVANIA, 15686
Covered Properties
(5)
Vanadium-Hydrogen-Phosphorus-Oxygen Catalytic Material
Patent:
4,374,756 →
Application:
06/300,710 →
Preparation of Naphthalene-Oxidation Catalyst by Impregnation of Silica with Aqueous Solution of VOC2O4 -K2SO4 -KHSO4
Patent:
4,389,336 →
Application:
06/303,169 →
Preparation of Crystalline TIO2 as Anatase and/or Rutile in Porous Carriers
Patent:
4,482,643 →
Application:
06/401,829 →
Fluid-Bed Catalystis Process for Making Maleic Anhydride
Patent:
4,460,784 →
Application:
06/415,273 →
Preparation of Naphthalene-Oxidation Catalyst by Impregnation of Silica with Aqueous Solution of VOC2O4-K2SO4-KHSO4
Patent:
4,456,763 →
Application:
06/478,739 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 9, 1981
From: HARJU, PHILIP H.; PASEK, EUGENE A.
To: KOPPERS COMPANY
Reel/Frame 003920/0017 →
Assignment of Assignors Interest.
Sep 17, 1981
From: HARJU, PHILIP H.; PASEK, EUGENE A.
To: KOPPERS COMPANY, INC., A CORP. OF DE.
Reel/Frame 003923/0944 →
Assignment of Assignors Interest.
Aug 6, 1984
From: HARJU, PHILIP H.; CALL, KENNETH R.
To: KOPPERS COMPANY, INC., A CORP. OF DE
Reel/Frame 004286/0640 →
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 →