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:
Mar. 14, 2000
Filed:
Nov. 04, 1996
Applicant:
Inventors:
Mamoru Koike, Saitama, JP;
Tomoyoshi Tsurufuji, Saitama, JP;
Assignee:
Daiwa Seiko, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428195 ; 428483 ; 428520 ; 604378 ;
Abstract
The invention concerns a biodegradable article which can be used for a period of time of normal use while the performance and quality are maintained high and further the biodegradable article exhibits an excellent biodegradability in the natural environment. The biodegradable article includes: a member body made of biodegradable material having a predetermined profile; and a coat formed on a surface of the member body, wherein the coat delays the biodegradation of the member body for a predetermined period of time.