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:
Mar. 12, 2019
Filed:
Apr. 08, 2016
Applicant:
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Inventors:
Jérôme Dussillols, Clermont Ferrand, FR;
Jean-Luc Merceron, Mozac, FR;
Assignee:
COMPAGNIE GENERALE DES ESTABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08C 3/02 (2006.01); B29C 47/00 (2006.01); B29C 47/08 (2006.01); B29C 47/36 (2006.01); B29C 47/66 (2006.01); B29C 47/68 (2006.01); B29C 47/38 (2006.01); C08C 1/14 (2006.01); B29K 7/00 (2006.01);
U.S. Cl.
CPC ...
C08C 3/02 (2013.01); B29C 47/0004 (2013.01); B29C 47/0813 (2013.01); B29C 47/0844 (2013.01); B29C 47/0847 (2013.01); B29C 47/367 (2013.01); B29C 47/385 (2013.01); B29C 47/666 (2013.01); B29C 47/68 (2013.01); C08C 1/14 (2013.01); B29C 47/0881 (2013.01); B29K 2007/00 (2013.01);
Abstract
A method for preparation of decontaminated natural rubber is provided. The method is characterized in that it comprises a decontamination step in which wet natural rubber coagulum passes through a system comprising an extruder and a filter installed at the extruder outlet, the extruder comprising an axially symmetrical grooved sheath comprising in its thickness grooves opening on the inner surface of the sheath.