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. 12, 2004
Filed:
Dec. 14, 2001
Applicant:
Inventors:
Ryuzo Ueno, Nishinomiya, JP;
Masaya Kitayama, Takaraduka, JP;
Kiichi Kometani, Ikeda, JP;
Hiroyuki Kato, Kawanishi, JP;
Kazunori Ueda, Takarazuka, JP;
Assignee:
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyusho, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 1/952 ;
U.S. Cl.
CPC ...
C09K 1/952 ;
Abstract
A liquid crystal polyester resin comprising 1 to 500 mmol % of a recurring unit derived from 4-hydroxyisophthalic acid and/or salicylic acid as a comonomer and 10 to 5,000 ppm in terms of an alkali metal of an alkali metal compound. This resin has excellent colorability, improved heat resistance and high mechanical properties.