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:
Dec. 06, 1977
Filed:
Nov. 12, 1976
Applicant:
Inventors:
Manfred Feser, Frankfurt am Main, DT;
Egon Joerchel, Hochheim, Main, DT;
Jurgen Korinth, Hofheim, Taunus, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423276 ;
Abstract
Process for the preparation of a concentrated tetrafluoroboric acid from boron/oxygen compounds and hydrogen fluoride by reacting a solid boron/oxygen compound with a hydrogen fluoride-containing gas.