Patent Assignment
Reel/Frame 006423/0844
Assignment of Assignors Interest.
Recorded: 1993-01-26
Pages: 2
Assignor
CAMPBELL, CURTIS B.
Executed: 1992-10-14
Assignee
CHEVRON RESEARCH & TECHNOLOGY COMPANY
555 MARKET STREET, SAN FRANCISCO, CALIFORNIA, 94120-7141
Covered Property
(1)
Neutral and Low Overbased Alkylphenoxy Sulfonate Additive Compositions Derived from Alkylphenols Prepared by Reacting an Olefin or an Alcohol with Phenol in the Presence of an Acidic Alkylation Catalyst
Patent:
5,330,664 →
Application:
07/939,195 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 4, 1992
From: WOLLENBERG, ROBERT H.
To: CHEVRON RESEARCH & TECHNOLOGY COMPANY
Reel/Frame 006423/0835 →
Assignment of Assignors Interest.
Jan 26, 1993
From: NELSON, RICHARD J.
To: CHEVRON RESEARCH & TECHNOLOGY COMPANY
Reel/Frame 006423/0838 →
Assignment of Assignors Interest.
Jan 26, 1993
From: MCDONALD, JOHN
To: CHEVRON RESEARCH & TECHNOLOGY COMPANY
Reel/Frame 006423/0840 →
Assignment of Assignors Interest.
Jan 26, 1993
From: RUELAS, SUSANNE G.
To: CHEVRON RESEARCH & TECHNOLOGY COMPANY
Reel/Frame 006423/0842 →
Assignment of Assignors Interest.
Jan 26, 1993
From: MATERA, KATHRYN E.
To: CHEVRON RESEARCH & TECHNOLOGY COMPANY
Reel/Frame 006423/0846 →
Merger
Jul 29, 1993
From: CHEVRON RESEARCH AND TECHNOLOGY COMPANY, A DELAWARE CORPORATION
To: CHEVRON RESEARCH AND TECHNOLOGY COMPANY
Reel/Frame 006633/0858 →