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. 09, 1977
Filed:
Mar. 05, 1976
Applicant:
Inventors:
Assignees:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt, DT;
Henkel & Cie GmbH, Dusseldorf-Holthausen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C02B / ; C02B / ; C11D / ;
U.S. Cl.
CPC ...
252179 ; 210 / ; 210 41 ; 252 / ; 252131 ; 252135 ; 252140 ; 252145 ;
Abstract
There are provided alkali aluminum silicates having a hydrophilic surface. They are prepared by mixing a crystalline, ion-exchanging alkali aluminum silicate with a hydrophilic material, preferably ortho-phosphoric acid or an alkali ortho phosphate.