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.

Date of Patent:
May. 24, 2016

Filed:

Oct. 08, 2010
Applicants:

Shyusei Ohya, Chiba, JP;

Makoto Matsuo, Chiba, JP;

Inventors:

Shyusei Ohya, Chiba, JP;

Makoto Matsuo, Chiba, JP;

Assignee:

UBE INDUSTRIES, LTD., Ube-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/34 (2006.01); C08L 79/08 (2006.01); B32B 5/18 (2006.01); B29C 71/02 (2006.01); B29C 67/20 (2006.01); C08J 5/18 (2006.01); C08J 3/21 (2006.01); C08J 9/00 (2006.01); C08J 9/28 (2006.01); C08J 9/34 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08J 3/212 (2013.01); C08J 9/0066 (2013.01); C08J 9/28 (2013.01); C08J 9/34 (2013.01); C08J 2201/05 (2013.01); C08J 2379/08 (2013.01); Y10T 428/249981 (2015.04);
Abstract

Disclosed is a process for production of a colored polyimide molded article including the steps of molding a polyamic acid solution composition containing a polyamic acid solution obtained from at least a tetracarboxylic acid component and a diamine component and a coloring precursor, or a polyimide solution composition containing a polyimide solution and a coloring precursor; and then thermally treating a molded product at 250° C. or higher.


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