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:
Mar. 04, 2014
Filed:
Sep. 24, 2009
Applicant:
Jie LU, Lompoc, CA (US);
Inventor:
Jie Lu, Lompoc, CA (US);
Assignee:
Imerys Filtration Minerals, Inc., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 24/00 (2006.01); B01D 61/00 (2006.01); B01J 20/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein are diatomaceous earth products containing reduced soluble metal levels, processes for reducing soluble metal levels in diatomaceous earth products, and methods of using the same. In particular, diatomaceous earth products are disclosed that have been treated with at least one surface metal blocking agent, and then subjected to at least one thermal treatment process to reduce the level of soluble metals associated therewith. Such diatomaceous earth products containing reduced soluble metal levels may be useful for various applications including, but not limited to, as filter aid materials.