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:
Oct. 24, 1995
Filed:
Dec. 01, 1993
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524151 ; 524153 ; 524291 ; 524303 ; 524353 ;
Abstract
A process is described for stabilizing polyethylene grit in which a sterically hindered phenol and an ester of phosphorous or of hypophosphorous acid are added to said grit, wherein the sterically hindered phenol in melt form and the ester of phosphorous or of hypophosphorous acid are made available to the polyethylene grit within a ground polyolefin matrix in which the ester is incorporated, the polyolefin matrix being compatible with the polyethylene grit.