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:
Jan. 07, 2003
Filed:
Aug. 11, 2000
Applicant:
Inventors:
Dennis Stamires, Newport Beach, CA (US);
Paul O'Connor, Hoevelaken, NL;
Gregory Pearson, Seabrook, TX (US);
William Jones, Cambridge, GB;
Assignee:
Akzo Nobel N.V., , NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/300 ; B01J 2/714 ; B01J 2/108 ; C04B 3/503 ; C01F 7/02 ;
U.S. Cl.
CPC ...
B01J 2/300 ; B01J 2/714 ; B01J 2/108 ; C04B 3/503 ; C01F 7/02 ;
Abstract
The present invention pertains to a quasi-crystalline boehmite containing additive in a homogeneously dispersed state. Suitable additives are compounds containing elements selected from the group of alkaline earth metals, alkaline metals, transition metals, actinides, silicon, gallium, boron, titanium, and phosphorus. Said QCBs according to the invention may be prepared in several ways. In general, a quasi-crystalline boehmite precursor and an additive are converted to a quasi-crystalline boehmite containing the additive in a homogeneously dispersed state.