Assignment of Assignor's Interest

Recorded: 2003-08-22 Pages: 3

Assignor

SHIROTA, DAIGO

Executed: 2002-02-08

Assignees

PETROLEUM ENERGY CENTER

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)

Process for Treating by-Product of Polyarylene Sulfide

Patent: 6,646,105 →

Application: 10/105,368 →

Publication: US 2002/0143140

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.