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:
Mar. 01, 1988
Applicant:
Inventors:
Akira Yabe, Tsukuba, JP;
Akihiko Ouchi, Tsukuba, JP;
Hiroshi Moriyama, Tsukuba, JP;
Etsuro Masuda, Suginami, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2041576 ; 20415761 ;
Abstract
Polykis-azobenzenes as an important coloring material can be prepared by irradiating diazidobenzene or a derivative thereof with ultraviolet light in the form of a solution in an organic solvent, in the form of a thin film or fine powder or in the form of vapor under reduced pressure.
Yabe, Akira. (1989). Method for the preparation of polykis-azobenzenes (U.S. Patent No. 4875986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4875986
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile