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. 12, 2019
Filed:
Dec. 15, 2014
Imerys Filtration Minerals, Inc., San Jose, CA (US);
Bo Wang, Union City, CA (US);
Imerys Filtration Minerals, Inc., San Jose, CA (US);
Abstract
A composite filter aid may include a first mineral selected from diatomaceous earth and natural glass. The filter aid may also include a second mineral having and aspect ratio greater than about 2:1, and a binder. The filter aid may have a permeability ranging from 0.2 to 20 darcys. A method for making a composite filter aid may include blending a first mineral, a second mineral, and a binder, wherein the first mineral comprises at least one of diatomaceous earth and natural glass, and the second mineral has an aspect ratio greater than about 2:1. The method may further include agglomerating the first mineral and second mineral in the presence of the binder to form the composite filter aid. A method for filtering a beverage may include using the composite filter aid.