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:
Aug. 17, 1993
Filed:
Jun. 17, 1992
Applicant:
Inventor:
Franciscus Van Dijen, Dettighofen, DE;
Assignee:
Lonza Ltd., Gampel/Valias, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D / ;
U.S. Cl.
CPC ...
51293 ; 51309 ; 501127 ;
Abstract
A sintered material, especially usuable as an abrasive, based on .alpha.-aluminum oxide is produced from Al(OH).sub.3 or aluminum oxide calcined at a lower temperature. Aluminum hydroxide resulting in the Bayer process can be used as the Al(OH).sub.3. The sintered material is distinguished by a crystallite size of standard <0.5 .mu.m, high density and great hardness.
Van Dijen, Franciscus. (1993). Process for the production of sintered material based on (U.S. Patent No. 5236471). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5236471
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile