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Abrasive grain with an abrasive coating
   
Document Number
US Patent 6811582
Issued Date
November 2, 2004
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Inventors
Wurzer; Thomas (Velden am Worthersee,AT)
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Abstract
A flowable, granular abrasive material and method of manufacture thereof. The material is comprised of at least one abrasive grain selected from aluminum oxide, silicon carbide, cubic boron nitride and/or diamond and has a organic or inorganic coating comprised of a binder and an abrasive filling material in the amounts of 0.5 to 8% and 1 to 15% by weight, respectively. The filling material may include sulfides, phosphates, carbonates, halogenides, and/or sulfide-, carbonate- and/or halogenide-containing complex compounds. The binder may include a low-viscosity phenol resin, epoxy resin and/or polyurethane resin.
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Number of Claims:
18
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Published
November 2, 2004
Application Number
10/111,486
Filed
August 28, 2002
US Classification
51/307   51/293 51/298 51/308 51/309
Int'l Classification
C09K   3/14   (20060101)  
Priority Data
Oct 25, 1999 [DE] 199 51 250
USPTO Field of Search
51/298   51/295   51/307   51/308   51/309   51/293  
Related Patents
7097679 - Abrasive grain with an abrasive coating - Owned by Treibacher Schleifmittel GmbH (DE)

A flowable, granular abrasive material and method of manufacture thereof. The material is comprised of at least one abrasive grain selected from aluminum oxide, silicon carbide, cubic boron nitride and/or diamond and has a organic or inorganic coating comprised of a binder and an abrasive filling material in the amounts of 0.5 to 8% and 1 to 15% by weight, respectively. The filling material may include sulfides, phosphates, carbonates, halogenides, and/or sulfide-, carbonate- and/or halogenide-containing complex compounds. The binder may include a low-viscosity phenol resin, epoxy resin and/or polyurethane resin.

Claims
Description
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