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. 17, 1990
Filed:
Feb. 17, 1989
Applicant:
Inventors:
Arno Gardziella, Witten-Rudinghausen, DE;
Karl-Heinz Schwieger, Iserlohn, DE;
Peter Adolphs, Menden-Halingen, DE;
Josef Suren, Wunnenberg-Haaren, DE;
Assignee:
Rutgerswerke AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08L / ;
U.S. Cl.
CPC ...
523149 ; 501 94 ; 501 95 ; 501101 ; 501102 ; 523153 ; 523157 ; 523158 ; 524541 ; 524594 ; 525480 ; 525504 ; 26099813 ;
Abstract
Improved high temperature resistant molding materials containing customary filler materials and additives and a carbon forming bonding agent which is a phenol novolac with a molar ratio of phenol to formaldehyde of 1 to 0.2 to 1 to 0.35 of high quality and free of solvents useful as refractory products, carbon materials, abrasive wheels, friction lining and the like.