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. 01, 1998
Filed:
Sep. 25, 1997
Applicant:
Inventors:
Carlo Neri, San Donato Milanese, IT;
Luciano Pallini, San Donato Milanese, IT;
Assignee:
Great Lakes Chemical Italia S.r.l., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
523223 ; 252397 ; 524291 ;
Abstract
Process for obtaining granular forms, from mixtures of powders of two or more additives for organic polymers, including extruding the mixture at a temperature of between about the melting point of the component with the lowest melting point and 140.degree. C., with the condition that, when the mixture consists of two additives, these are not tetrakis �3-(3,5-di-t-butyl-4-hydroxyphenyl) propionyloxymethyl!methane, either in an amorphous or crystalline form, and an antiacid.