IP Library › Assignment 004253/0579
Patent Assignment
Reel/Frame 004253/0579

Assignment of Assignors Interest.

Recorded: 1984-05-10 Pages: 8
Assignor
Assignee
Covered Properties (7)
High Efficiency Catalysts for Olefin Polymerization
Patent: 4,136,058 →
Application: 05/772,794 →
Stabilized Ethylene-Carbon Monoxide Copolymers
Patent: 4,139,522 →
Application: 05/885,720 →
High Efficiency Catalyst for High Bulk Density Polyethylene
Patent: 4,288,578 →
Application: 06/034,114 →
High Swell Resins
Patent: 4,434,279 →
Application: 06/403,601 →
Method of Supporting a Catalyst on Polyolefins
Patent: 4,407,727 →
Application: 06/433,566 →
Catalyst Systems for Polymerizations at High Temperatures
Patent: 4,681,924 →
Application: 06/454,224 →
Catalyst Dispersion Having Improved Stability Against Phase Separation
Patent: 4,461,846 →
Application: 06/479,637 →
Related Assignments (6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. May 4, 1981
From: HSIEH JOHN T. T.
To: ARCO POLYMERS, INC., A CORP. OF PA.
Reel/Frame 003851/0740 →
Assignment of Assignors Interest. Sep 10, 1981
From: ARCO POLYMERS, INC., A CORP. OF PA
To: ATLANTIC RICHFIELD COMPANY, A CORP. OF PA
Reel/Frame 003944/0516 →
Assignment of Assignors Interest. Jul 14, 1983
From: HARRIS, JAMES J.; HOSTETLER, DONALD E.
To: ATLANTIC RICHFIELD COMPANY
Reel/Frame 004147/0153 →
Assignment of Assignors Interest. Dec 2, 1983
From: ACHORN, GEORGE S.
To: ATLANTIC RICHFIELD COMPANY, A PA CORP.
Reel/Frame 004195/0597 →
Security Interest Nov 5, 1991
From: KEARNEY & TRECKER CORPORATION
To: CITICORP. USA, INC.
Reel/Frame 005900/0761 →
Assignment of Assignor's Interest Sep 18, 1998
From: MILLENNIUM PETROCHEMICALS, INC. [FORMERLY KNOWN AS QUANTUM CHEMICAL CORPORATION, WHICH WAS FORMERLY KNOWN AS NATIONAL DISTILLERS AND CHEMICAL CORPORATION]
To: EQUISTAR CHEMICALS, LP
Reel/Frame 009453/0332 →