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:
Jul. 13, 1982
Filed:
Feb. 24, 1981
Applicant:
Inventor:
Hans Strack, Alzenau, DE;
Assignee:
Degussa AG, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423329 ; 423328 ;
Abstract
There is produced crystalline zeolite powder of Type A having an average particle diameter of 8.5 to 9.0.mu. by introducing the components waterglass and alkali aluminate liquor under defined conditions simultaneously into a receiver containing alkali aluminate, stirring, first adding more alkali aluminate liquor and then more waterglass solution. The thus obtained crystalline zeolite powder of Type A is used as a phosphate substitute in washing agents.