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:
Nov. 29, 2016
Filed:
Jan. 28, 2015
Fuji Xerox Co., Ltd., Tokyo, JP;
Tsuyoshi Miyamoto, Kanagawa, JP;
Kana Miyazaki, Kanagawa, JP;
Tomoya Sasaki, Kanagawa, JP;
Katsumi Nukada, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
A polyimide precursor composition includes a polyimide precursor including a condensation polymer of a tetracarboxylic dianhydride containing a first tetracarboxylic dianhydride having a benzene ring to which two carboxylic anhydride groups are bonded, and a second tetracarboxylic dianhydride other than the first tetracarboxylic dianhydride, and a diamine compound; and a first aqueous solvent containing water and at least one water-soluble organic solvent selected from the group consisting of a water-soluble ether solvent, a water-soluble ketone solvent, and a water-soluble alcohol solvent, or a second aqueous solvent containing a water-soluble alcohol solvent and at least one water-soluble organic solvent selected from the group consisting of a water-soluble ether solvent and a water-soluble ketone solvent, wherein the polyimide precursor is dissolved in the first aqueous solvent or the second aqueous solvent.