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:
Jul. 13, 1993
Filed:
Mar. 12, 1991
Applicant:
Inventors:
Takashi Masuda, Abiko, JP;
Akio Matsuda, Kashiwa, JP;
Kazuhisa Murata, Tsukuba, JP;
Shinsuke Yamazaki, Ibaraki, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08L / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
524 17 ; 524 18 ; 524306 ; 524315 ; 524317 ; 528354 ; 528359 ;
Abstract
A biodegradable plastic composition for use in production of shaped articles includes polyglycolide and a high molecular weight substance selected from poly(3-hydroxybutyric acid), a copolymer of 3-hydroxybutyric acid and 3-hydroxyvaleric acid, polycaprolactone, polyglutamic acid, polyolefin, polyvinyl alcohol, polyalkylene oxide, cellulose acetate and mixtures thereof, the amount of the polyglycolide being 5-60 % based on the total weight of the polyglycolide and the high molecular weight substance.