Patent Assignment
Reel/Frame 003874/0636
Assignment of Assignors Interest.
Recorded: 1981-03-25
Pages: 2
Assignee
N L INDUSTRIES, INC.
NO. 1230 AVENUE OF THE AMERICAS, A CORP. OF N.J., NEW YORK, NEW YORK
Covered Property
(1)
Double Precipitation Reaction for the Formation of High Purity Basic Lead Carbonate and High Purity Normal Lead Carbonate
Patent:
4,336,236 →
Application:
06/247,441 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 18, 1990
From: KRONOS INC.
To: RHEOX, INC., A CORP OF DE
Reel/Frame 005237/0934 →
Change of Name 10/02/89
Dec 6, 1990
From: NL CHEMICALS, INC.
To: KRONOS, INC.
Reel/Frame 005505/0118 →
Security Interest
Mar 26, 1991
From: RHEOX, INC., A CORP. OF DE
To: CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), THE, A NATIONAL BANKING ASSOCIATION
Reel/Frame 005665/0037 →