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:
May. 28, 1985
Filed:
May. 24, 1984
Applicant:
Inventors:
Jean M Lalancette, Sherbrooke, CA;
Jean P Chevalier-Bultel, Sherbrooke, CA;
Normand Labonte, Sherbrooke, CA;
Assignee:
Societe Nationale de l'Amiante, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
51309 ; 51308 ; 106 383 ; 106 389 ;
Abstract
There is provided a sintered angular shape granular sandblasting material obtained by the calcination of asbestos tailings at a temperature of from 1300.degree. C. to 1450.degree. C., said asbestos tailings being characterized by having a MgO:SiO.sub.2 ratio lower than 1.0, the granular sandblasting material being characterized by a cold compression mechanical strength of from 10 to 160 MPa, by a granulometry of -40 to +150 mesh (Tyler), and by being substantially free of dust.