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:
Jun. 20, 2023
Filed:
Jan. 11, 2021
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Hajime Sugahara, Kanagawa, JP;
Hidekazu Hirose, Kanagawa, JP;
Kosaku Yoshimura, Kanagawa, JP;
Tomoya Sasaki, Kanagawa, JP;
Yasunobu Kashima, Kanagawa, JP;
Kosuke Nakada, Kanagawa, JP;
Tomoyo Okubo, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C08J 9/26 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1032 (2013.01); C08J 9/26 (2013.01); C08J 2379/08 (2013.01);
Abstract
A particle-dispersed polyimide precursor solution contains: a polyimide precursor consisting of a polymer of a tetracarboxylic dianhydride and a diamine containing a fluorene-based diamine having a fluorene skeleton; particles; and an aqueous solvent containing water.
Sugahara, Hajime. (2023). Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film (U.S. Patent No. 11680140). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11680140
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile