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. 02, 1999
Filed:
Nov. 06, 1998
Applicant:
Inventors:
Yuichiro Shuto, Hyogo, JP;
Hiroki Taniguchi, Hyogo, JP;
Assignee:
Daicel Chemical Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08B / ;
U.S. Cl.
CPC ...
536 64 ; 536 65 ;
Abstract
Cellulose acetate propionate is a cellulose ester wherein hydroxyl groups of cellulose are substituted with acetyl and propionyl. Cellulose acetate propionate of the present invention has an amorphous index (Am) of 0.01 to 0.10. The present invention also provides cellulose acetate propionate having a degree of acetyl substitution (DSac) and a degree of propionyl substitution (DSpr) satisfying the formulas (I) to (IV).
Shuto, Yuichiro. (1999). Cellulose acetate propionate (U.S. Patent No. 5977347). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5977347
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile