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:
Dec. 27, 1977

Filed:

May. 28, 1976
Applicant:
Inventors:

Takeshi Yamawaki, Hiratsuka, JA;

Takanori Uchida, Machida, JA;

Makoto Nakajima, Tokyo, JA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
260 / ; 260 342 ; 260 4255 ; 260761 ; 260763 ;
Abstract

Rubber crumbs are imparted with non-tackiness or antiblocking property by treating the crumbs with a mixture of a rubber latex and an aqueous carbon black slurry in the presence of a coagulant.


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