Patent Assignment
Reel/Frame 004565/0446
Assignment of Assignors Interest.
Recorded: 1986-06-25
Pages: 2
Assignor
NL INDUSTRIES, INC.,
Executed: 1986-06-09
Assignee
NL CHEMICALS, INC.
A CORP. OF DE, NOT PROVIDED
Covered Property
(1)
Narrow Molecular Weight Polyester Oligomers and Method of Preparation
Patent:
4,659,778 →
Application:
06/854,105 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 21, 1986
From: WILLIAMS, ROY C.
To: NL INDUSTRIES, INC.
Reel/Frame 004542/0059 →
Assignment of Assignors Interest. Subject to License Recited.
Jul 25, 1989
From: NL CHEMICAL, INC.; NL CHEMICAL INTERNATIONAL, INC.
To: NL SPENCER KELLOGG, INC.
Reel/Frame 005127/0811 →
Assignment of Assignors Interest.
Jul 26, 1990
From: NL SPENCER KELLOGG, INC., WYCKOFFS MILL RD., HIGHTSTOWN, NJ. 08520, A CORP. OF DE.
To: REICHHOLD CHEMICALS, INC.
Reel/Frame 005381/0184 →