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:
May. 25, 2004
Filed:
Aug. 30, 2001
Applicant:
Inventor:
Yoichiro Yamashita, Tokyo, JP;
Assignee:
Japan Tobacco Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D 3/06 ; C08J 9/00 ;
U.S. Cl.
CPC ...
A24D 3/06 ; C08J 9/00 ;
Abstract
A cellulose acetate structure excellent in its biodegradability. At least a surface region of the structure includes a biodegradable cellulose acetate composition containing a biodegradation promoting agent contained in cellulose acetate. The agent includes at least one compound selected from the group consisting of a salt of an oxygen acid of phosphorus, an ester of an oxygen acid of phosphorus or a salt thereof, carbonic acid and a salt thereof.
Yamashita, Yoichiro. (2004). Biodegradable cellulose acetate structure and tobacco filter (U.S. Patent No. 6739344). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6739344
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile