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:
Jan. 13, 1998
Filed:
Oct. 07, 1994
Applicant:
Inventors:
Xu Hengchang, Beijing, CN;
Joachim Nagel, Friedrichsdorf, DE;
Assignee:
Heraeus Kulzer GmbH, , DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106485 ; 106 35 ; 106425 ; 106426 ; 106444 ; 106482 ; 106483 ; 106484 ; 106489 ; 428403 ; 428404 ; 428406 ; 427375 ; 4273761 ; 427212 ; 501 17 ; 501 32 ;
Abstract
A finely divided inorganic filler material is a sintered composite which consists of larger macro-filler particles of glass and of smaller micro-filler particles of glass or ceramics partially covering the macro-filler particle and firmly connected to it by sintering. Plastic materials reinforced with the filler are distinguished by improved abrasion resistance.