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:
Feb. 28, 1984
Filed:
Feb. 18, 1983
Applicant:
Inventor:
Pierre C Aitcin, Sherbrooke, CA;
Assignee:
Universite De Montreal, Quebec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
501118 ; 501119 ; 501155 ;
Abstract
A process for the manufacture of industrial cordierite ceramic units containing from 45 to 68% by weight of silica 16 to 37% by weight of magnesia and 12 to 45% by weight of alumina which comprises (a) mixing from 15 to 60% by weight of the non-magnetic fraction of asbestos tailings having a MgO:SiO.sub.2 of from 0.8 to 1.25 with 40 to 85% of a kaolin clay by weight and 0 to 10% of alumina; (b) shaping said mixture in green unit forms; (c) curing said units at room temperature for 24 h then at 110.degree. C. for 24 h; (d) firing said cured units at a temperature of from 1350 1400.degree. C.