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:
Oct. 11, 1977
Filed:
Oct. 17, 1975
Applicant:
Inventors:
Shuzo Kato, Nagoya, JA;
Takeo Iga, Nagoya, JA;
Shogo Hatano, Minami-Minowa, JA;
Yuichi Isawa, Takato, JA;
Assignee:
Agency of Industrial Science & Technology, Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ; C01C / ; A61K / ;
U.S. Cl.
CPC ...
423630 ; 4234 / ; 423625 ; 423631 ; 423427 ; 424154 ; 424156 ;
Abstract
Aluminum carbonate hydroxide ammonium, a new compound, is produced by causing a solution of ammonium hydrogencarbonate to be reacted upon by a soluble aluminum salt. .alpha.-Alumina is obtained by thermal decomposition of this ammonium aluminum carbonate hydroxide. By sintering said .alpha.-alumina, there is obtained sintered .alpha.-alumina.