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:
Apr. 13, 2004
Filed:
Nov. 15, 2001
Applicant:
Inventors:
Udo Goerl, Recklinghausen, DE;
Reinhard Stober, Hasselroth, DE;
Matthias Schmitt, Neckargemuend, DE;
Andreas Gouw, Haltern, DE;
Assignee:
PKU Pulverkautschuk Union GmbH, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08K 9/00 ;
U.S. Cl.
CPC ...
C08K 9/00 ;
Abstract
A process for preparing silica-filled rubber powder is provided, which includes contacting a salt-containing silica-precipitation suspension with at least one selected from the group including a rubber latex, rubber solution, and rubber emulsion, to form a mixture; and precipitating to produce a silica-filled rubber powder. A silica-filled rubber powder prepared by the process, and compositions and uses containing the same, are also provided.