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:
Jun. 01, 1993
Filed:
Sep. 06, 1990
Applicant:
Inventor:
Richard G Sinclair, Columbus, OH (US);
Assignee:
BioPak Technology, Ltd., Golden, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524108 ; 524310 ; 524317 ; 524320 ; 525186 ; 525386 ; 525411 ; 525437 ;
Abstract
An environmentally degradable composition comprising blends of a physical mixture of poly(lactic acid), and a polymer selected from the group consisting of poly(ethylene terephthalate), a polymer or copolymer of styrene, ethylene, propylene, vinyl chloride, vinyl acetate, alkyl methacrylate, alkyl acrylate, and physical mixtures thereof; plasticized with D-lactic acid, L-lactic acid, racemic D,L-lactic acid, D-lactide, L-lactide, meso D,L-lactide, racemic, D,L-lactide, oligomers of lactic acid, oligomers of lactide, derivatives of oligomers of lactic acid, or various mixtures thereof.