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:
Oct. 29, 2002
Filed:
Aug. 06, 2001
Applicant:
Inventors:
Ryoji Sugise, Yamaguchi, JP;
Shuji Tanaka, Yamaguchi, JP;
Kohichi Kashiwagi, Yamaguchi, JP;
Takashi Doi, Yamaguchi, JP;
Hirofumi Ii, Yamaguchi, JP;
Masayuki Nishio, Yamaguchi, JP;
Shinichi Yoshida, Yamaguchi, JP;
Yutaka Asada, Yamaguchi, JP;
Kazuo Miyamoto, Yamaguchi, JP;
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/400 ;
U.S. Cl.
CPC ...
C08G 6/400 ;
Abstract
A composition consisting essentially of a diaryl carbonate and contains a furan ring-containing compound in an amount of not more than 1 ppm is favorably employable for producing less colored polycarbonate.