Patent Assignment
Reel/Frame 005211/0109
Security Interest
Recorded: 1989-11-14
Pages: 4
Assignor
LIGHTWEIGHT ENVIRONMENTAL PRODUCTS CORPORATION
Executed: 1989-10-31
Assignee
Covered Properties
(3)
Insulation Block and Method of Making Same
Patent:
4,081,392 →
Application:
05/803,529 →
Lightweight Silicate Aggregate
Patent:
4,203,773 →
Application:
05/959,517 →
Lightweight Silicate Aggregate
Patent:
4,396,723 →
Application:
06/122,375 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 4, 1982
From: PROGRESSIVE RESEARCH PRODUCTS, INC.
To: DIAMOND SHAMROCK CORPORATION, A CORP. OF DE.
Reel/Frame 003951/0381 →
Change of Name (See Document for Details), Effective 9-1-83 and 10-26-83
Nov 7, 1983
From: DIAMOND SHAMROCK CORPORATION CHANGED TO DIAMOND CHEMICALS COMPANY
To: DIAMOND SHAMROCK CHEMICALS COMPANY
Reel/Frame 004197/0130 →
Change of Name
Jun 5, 1987
From: DIAMOND SHAMROCK CHEMICALS COMPANY
To: OCCIDENTIAL ELECTROCHEMICALS CORPORATION
Reel/Frame 004748/0932 →
Merger November 30, 1987, New York
Nov 14, 1989
From: OCCIDENTAL ELECTROCHEMICALS CORPORATION; OXYCHEM PROPERTIES CORPORATION; B.D.M. CHEMICAL CORPORATION
To: OCCIDENTAL CHEMICAL CORPORATION
Reel/Frame 005211/0101 →
Assignment of Assignors Interest.
Nov 14, 1989
From: OCCIDENTAL CHEMICAL CORPORATION
To: LIGHTWEIGHT ENVIRONMENTAL PRODUCTS CORPORATION, A CORP. OF DE
Reel/Frame 005211/0106 →