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:
Jun. 08, 1999
Filed:
Oct. 31, 1997
Applicant:
Inventors:
Sang-won Lee, Seoul, KR;
Geun-bae Kim, Kyungki-do, KR;
Yong-chul Park, Seoul, KR;
Sung-soo Kim, Seoul, KR;
Assignee:
Samsung Display Devices Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
4234202 ;
Abstract
A method comprising of continuously injecting an aqueous solution of nickel salt, an aqueous solution of aluminium salt, an alkali aqueous solution and ammonia into a reactor under constant temperature, mixing the above solution and continuously withdrawing, can prepare Ni-Al hydroxycarbonate having a high density and a globular shape.