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:
Sep. 23, 1980
Filed:
Jun. 15, 1978
Applicant:
Inventors:
Bernd Brandt, Wesseling-Berzdorf, DE;
Peter Nauroth, Wesseling, DE;
Albert Peters, Erftstadt-Liblar, DE;
Helmut Reinhardt, Rodenkirchen, DE;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ;
U.S. Cl.
CPC ...
423335 ; 423339 ; 1062 / ;
Abstract
A finely divided silicic acid having a pH>6 is prepared by spray drying, in the presence of a base or basic-reacting substance, a highly concentrated silicic acid suspension having excess, unwanted acidity.
Quick Actions:
Brandt, Bernd. (1980). Process for the production of finely divided silicic acid by spray drying (U.S. Patent No. 4224295). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4224295
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile