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:
Jun. 17, 1980
Filed:
Jun. 29, 1978
Applicant:
Inventors:
Peter Nauroth, Wesseling, DE;
Heinz Esch, Wesseling-Urfeld, DE;
Robert Kuhlmann, Erftstadt, DE;
Rudolf Bode, Bad Orb, DE;
Arthur Reisert, Kahl, DE;
Harald Buhler, Hanau, DE;
Gunter Turk, Hanau, DE;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 1063 / ; 260 4215 ; 427220 ; 428405 ;
Abstract
Hydrophobic precipitated silicic acid is disclosed and its use as a reinforcing filler in plastic masses which are hardenable to form elastomers.