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.

Date of Patent:
Jun. 26, 2001

Filed:

Jul. 30, 1999
Applicant:
Inventors:

Günter Lailach, Krefeld, DE;

Andreas Bulan, Langenfeld, DE;

Günter Buss, Leverkusen, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01D 3/02 ;
U.S. Cl.
CPC ...
C01D 3/02 ;
Abstract

Process for the preparation of sodium fluoride from sodium hydroxide solution and hydrogen fluoride or hydrofluoric acid, characterized in that <45% strength by weight, preferably 20 to 40% strength by weight, sodium hydroxide solution and hydrogen fluoride or hydrofluoric acid are introduced separately into a saturated NaF solution in which 4 to 50% by weight, preferably 5 to 30% by weight, of solid NaF are suspended and whose temperature is in the range from 20 to 80&deg; C., preferably 30 to 60&deg; C.


Find Patent Forward Citations

Lailach, G&uuml;nter. (2001). Process for the preparation of sodium fluoride (U.S. Patent No. 6251358). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6251358

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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