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. 03, 2010
Filed:
Aug. 24, 2007
Applicants:
Qun Wang, Lompoc, CA (US);
Timothy R. Smith, Lompoc, CA (US);
Jeffrey D. Taniguchi, Santa Maria, CA (US);
Inventors:
Qun Wang, Lompoc, CA (US);
Timothy R. Smith, Lompoc, CA (US);
Jeffrey D. Taniguchi, Santa Maria, CA (US);
Assignee:
World Minerals, Inc., Santa Barbara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes for preparing diatomaceous earth filter aids having a reduced beer soluble iron content, diatomaceous earth filter aids and compositions comprising the same, and methods for using the improved diatomaceous earth filter aids are disclosed herein. Further disclosed herein are processes for reducing beer soluble iron content by saturated steam treatment of a diatomaceous earth material in an enclosed vessel.