Patent Assignment
Reel/Frame 003851/0740
Assignment of Assignors Interest.
Recorded: 1981-05-04
Pages: 3
Assignor
HSIEH JOHN T. T.
Executed: 1980-01-28
Assignee
ARCO POLYMERS, INC., A CORP. OF PA.
1500 MARKET ST., PHILADELPHIA, PENNSYLVANIA, 19101
Covered Property
(1)
High Efficiency Catalyst for High Bulk Density Polyethylene
Patent:
4,288,578 →
Application:
06/034,114 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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.
May 10, 1984
From: ATLANTIC RICHFIELD COMPANY A PA CORP
To: NATIONAL DISTILLERS AND CHEMICAL CORPORATLION 99 PARK AVE NY N 10016 A VA CORP
Reel/Frame 004253/0579 →
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 →