IP Library Assignment 012352/0820
Patent Assignment
Reel/Frame 012352/0820

Assignment of Assignor's Interest

Recorded: 2001-12-07 Pages: 3
Assignor
IWAHARA, MASAHIRO
Executed: 2001-07-31
Assignee
IDEMITSU PETROCHEMICAL CO., LTD.
6-1, YOKOAMI 1-CHOME, SUMIDA-KU, TOKYO, JAPAN
Covered Property (1)
Process for Producing Bisphenol A
Patent: 6,586,637 →
Application: 09/926,131 →
Publication: US 2003/0013925
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 20, 2004
From: IDEMITSU PETROCHEMICAL CO. LTD.
To: IDEMITSU KOSAN CO. LTD.
Reel/Frame 015478/0140 →