The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 2005
Filed:
Oct. 22, 2002
Masaaki Miyamoto, Fukuoka, JP;
Takao Tayama, Fukuoka, JP;
Ryuji Uchimura, Fukuoka, JP;
Toshimitsu Inoue, Fukuoka, JP;
Shigeo Higashi, Fukuoka, JP;
Masaya Ueda, Kanagawa, JP;
Masaaki Miyamoto, Fukuoka, JP;
Takao Tayama, Fukuoka, JP;
Ryuji Uchimura, Fukuoka, JP;
Toshimitsu Inoue, Fukuoka, JP;
Shigeo Higashi, Fukuoka, JP;
Masaya Ueda, Kanagawa, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
A polycarbonate composition excellent in both antistatic property and coloring matter coatability containing (a) a polycarbonate obtained by an ester exchange process, and (b) a compound having a molecular weight of from 300 to 8,000 and having any of ester bond, carbonate bond, amide bond and urethane bond in its molecule and an aromatic hydrocarbon group substituted by at least one alkyl group at the molecular end thereof, a write once read many optical disc substrate and a write once read many optical disc using the same and a process for the production of a write once read many optical disc are described.