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. 13, 1990
Filed:
Apr. 26, 1989
Applicant:
Inventors:
Willi Wuest, Ratingen, DE;
Norbert Kuehne, Haan, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210641 ; 210651 ; 210652 ;
Abstract
A process for working up aqueous, electrolyte-containing suspensions of highly swellable layer silicates by which highly swellable layer silicates are isolated substantially free from electrolyte from an aqueous electrolyte-containing suspension in a reasonable time by multi-stage membrane filtration wherein the second and every following membrane stage, the concentrate is diluted, for example with fully deionized water, to maintain pumpability.
Wuest, Willi. (1990). Process for working up aqueous electrolyte-containing suspensions of (U.S. Patent No. 4908133). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4908133
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile