IP Library Assignment 015048/0945
Patent Assignment
Reel/Frame 015048/0945

Assignment of Assignor's Interest

Recorded: 2004-03-08 Pages: 3
Assignor
SHIROTA, DAIGO
Executed: 2003-09-01
Assignees
PETROLEUM ENERGY CENTER, A JURDICAL INCORPORATED FOUNDATION
3-9, TORANOMON 4-CHOME, MINATO-KU, TOKYO, JAPAN
IDEMITSU PETROCHEMICAL CO., LTD.
6-1, YOKOAMI 1-CHOME, SUMIDA-KU, TOKYO, JAPAN
Covered Property (1)
Method of Treating by-Product Salt Yieled with Polyarylene Sulfide
Patent: 6,939,942 →
Application: 10/473,450 →
Publication: US 2004/0087758
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 →