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. 13, 1990
Filed:
Jun. 09, 1989
Applicant:
Inventors:
Fumiko Yaku, Suita, JP;
Ryutarou Tanaka, Osaka, JP;
Einosuke Muraki, Osaka, JP;
Shizu Fujishima, Ikeda, JP;
Masaru Miya, Ikeda, JP;
Assignee:
Agency of Industrial Science & Technology, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C07H / ;
U.S. Cl.
CPC ...
435101 ; 435209 ; 435 99 ; 435917 ; 435945 ; 536 551 ; 536 552 ; 536 20 ;
Abstract
A process for preparing a low-molecular weight chitosan which comprises adding chitosan to water containing a monobasic acid to prepare an intimate chitosan-water mixture and treating said mixture with cellulase.
Yaku, Fumiko. (1990). Process for preparing chitosan oligosaccharides (U.S. Patent No. 4970150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4970150
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile