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:
May. 12, 1987
Filed:
Apr. 09, 1985
Applicant:
Inventor:
Hans-Peter Rieck, Hofheim am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
252175 ; 210687 ; 252135 ; 252179 ; 252D / ;
Abstract
Crystalline layered sodium silicates having the composition NaMSi.sub.x O.sub.2x+1.y H.sub.2 O, in which M denotes sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20, are used for softening water containing calcium and/or magnesium ions.
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Rieck, Hans-Peter. (1987). Use of crystalline layered sodium silicates for softening water and a (U.S. Patent No. 4664839). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4664839
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