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:
Dec. 07, 2004
Filed:
May. 13, 2003
Applicant:
Inventors:
Assignee:
Beijing University of Chemical Technology, Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 3/312 ; C01B 3/332 ;
U.S. Cl.
CPC ...
C01B 3/312 ; C01B 3/332 ;
Abstract
A preparation method of silica, especially superfine silica, with water glass and carbon dioxide as major raw materials in a carbonization reaction conducted under a high gravity field, typically in a Higee reactor.