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:
Oct. 09, 1984
Filed:
Sep. 02, 1983
Applicant:
Inventor:
Gordon E Hickory, Upton, MA (US);
Assignee:
Norton Company, Worcester, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
51298 ; 51299 ; 51300 ;
Abstract
A resinoid bonded abrasive article in which the resinoid bond includes 5-80% by volume of an improved active filler or grinding aid. The active filler is a mixture of iron pyrites, potassium sulfate and an alkali haloferrate; the alkali haloferrate having the formula A.sub.x Fe.sub.y ++ Fe.sub.z +++ H.sub.x+2y+3z where A is an alkali metal, H is a halogen, x is a number from 1 to 10, y is a number from 0 to 1, z is a number from 0 to 1, and y and z are not zero at the same time. The fillers are present in the bond in a ratio of alkali-haloferrate-to-pyrites-to-potassium sulfate of 0.5:1:0.5.