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.

Date of Patent:
Sep. 17, 1991

Filed:

Jan. 17, 1990
Applicant:
Inventor:

David G Jeffs, St. Austell, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; B32B / ;
U.S. Cl.
CPC ...
523205 ; 427221 ; 428403 ; 428407 ; 523206 ; 523209 ; 523334 ; 523342 ; 524426 ; 524430 ; 524445 ; 524447 ; 524449 ; 524451 ; 524456 ;
Abstract

There is disclosed a process for preparing an organic polymer composition which includes an inorganic filler, which comprises: (i) treating an inorganic filler by adding to a particulate white inorganic material a natural or synthetic latex composition which comprises a suspension of polymer particles in water wherein the latex solids are selected from the group consisting of acrylic copolymers and vinyl acetate copolymers, and dewatering and drying the resultant mixture, the amount of the natural or synthetic latex composition added being such as to provide from 1% to 10% by weight of latex solids based on the weight of dry inorganic material; and (ii) combining the treated inorganic filler with an organic polymer. Also disclosed is an organic polymeric composition comprising an organic polymer and an inorganic filler.


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