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:
Apr. 06, 1993
Filed:
Jun. 05, 1992
Applicant:
Inventors:
Pai-Chuan Wu, Cincinnati, OH (US);
Frank Moore, Jr, Hamilton, OH (US);
Thomas R Ryle, Burlington, KY (US);
Assignee:
Clopay Corporation, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428131 ; 428156 ; 4283155 ; 428338 ; 523124 ;
Abstract
A biodegradable thermoplastic film is disclosed comprising a blend of an alkanoyl polymer and polyvinyl alcohol. The film can be stretched providing opacity and enhancing its biodegradability.