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:
Dec. 28, 1976
Filed:
Oct. 24, 1974
Applicant:
Inventors:
Nicola Palladino, Monterotondo, I;
Marcello Mazzei, Milan, I;
Walter Marconi, San Donato Milanese, I;
Assignee:
Snam Progetti S.p.A., Milan, I;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526-1 ; 260 / ; 260D / ; 526 22 ; 526 20 ; 526 12 ; 526914 ;
Abstract
A plastic material such as a polyethylene which is adapted for use in packaging is rendered photodegradable under the direct action of sunlight by mixing therewith an amount, up to 3% by weight, of an additive consisting of 1.2.4.5 tetramethylbenzene.