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. 17, 1992
Filed:
Aug. 23, 1990
Applicant:
Inventor:
Robert M Harnden, Granville, OH (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
523126 ; 524398 ; 524586 ;
Abstract
A polymeric composition which degrades in the presence of oxygen either photochemically or thermo-oxidatively comprising a blend of polyethylene, e.g. low density polyethylene and cerium (III) stearate. This composition is especially useful in degradable food wrap and packaging and as an agricultural mulch film.