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. 27, 2001
Filed:
May. 10, 1999
Applicant:
Inventors:
Holger Glaum, Maintal-Wachenbuchen, DE;
Jürgen Schubert, Grundau, DE;
Assignee:
Degussa-Huls Aktiengesellschaft, Hanau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/12 ; C01B 3/326 ; C04B 1/404 ;
U.S. Cl.
CPC ...
B01F 3/12 ; C01B 3/326 ; C04B 1/404 ;
Abstract
An aqueous aluminium silicate suspension having a content of aluminium silicate of at least 30 wt. % is prepared by liquefaction of the aluminium silicate filter cake or by dispersion of aluminium silicate powder in water with the addition of aluminium silicate powder, surfactant and aluminium sulfate. It can be employed in papermaking.