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:
Sep. 01, 1981
Filed:
Oct. 26, 1979
Applicant:
Inventor:
Pierre C Aitcin, Sherbrooke, CA;
Assignee:
Universite de Sherbrooke, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
423331 ; 106 58 ; 106 60 ; 106 62 ;
Abstract
There is provided a novel harzburgite of the formula Py.sub.x Ol.sub.(1-x) where x is a decimal number of from 0.001 to 0.4, Py is an abbreviation for pyroxene, and Ol is an abbreviation for olivine having a total iron oxide content of less than 5% which is obtained by calcining a demagnetized fraction from a magnetite-containing serpentinite. The novel harzburgite is useful for preparing refractories.