logo

For the Inventor, By the Inventor

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.:

US 5154904 B1

PDFFull Text
Date of Patent:
Oct. 13, 1992

Filed:

Oct. 28, 1986

Process for the production of a seed mixture for the synthesis of

Applicant:
Inventors:

Peter Kleinschmit, Hanau, DE;

Gangolf Kriechbaum, Bruchkobel, DE;

Hans Strack, Alzenau, DE;

Assignee:

Degussa Aktiengesellschaft, , DE;

Attorney:

Cushman, Darby & Cushman

Primary Examiner:

R Bruce Breneman

Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423709 ; 423710 ; 423D / ;
Abstract

Precipitated silica is mixed with a solution of caustic soda, water and sodium aluminate to form a mixture of the composition:

Find Patent Forward Citations

Loading…