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. 24, 1989
Filed:
Apr. 08, 1988
Applicant:
Inventors:
Chuzo Kato, Tokyo, JP;
Kazuyuki Kuroda, Tokyo, JP;
Assignee:
Osaka Yuki Kagakuo Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350357 ;
Abstract
A compound is disclosed which excels in thermal resistance and acidproofness, fits application on a surface and fabrication, and exhibits both photochromism and electrochromism.