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. 08, 1995
Filed:
Nov. 13, 1992
Applicant:
Inventor:
Kyoung Ran Han, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 12 ; 501127 ; 2523157 ;
Abstract
The sol-gel process for forming dense alumina based cermics or dense ceramics with alumina as a sintering additive, the process comprising the steps of: preparing polymeric alumina sol by hydrolysis of Al (O--iBu)3 with a strong acid; preparing the ceramic dispersion in the alumina sol; gelling the dispersion; drying the gel dispersion to form a solid; calcining the solid; and sintering the calcined solid.
Han, Kyoung. (1995). Process for coating ceramic powder with alumina by sol-gel process and (U.S. Patent No. 5439851). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5439851
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile