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. 16, 1996
Filed:
Oct. 11, 1995
Applicant:
Inventors:
Jacky Duclaux, Eyzin-Pinet, FR;
Christian Pralus, Saint Cyr Au Mont D'Or, FR;
Assignee:
Elf Atochem S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423276 ;
Abstract
The invention relates to the production of colorless aqueous solutions of fluoboric acid from colored effluents of boron trifluoride hydrate. The process essentially consists of treating the colored effluent with an aqueous solution of HF, and then placing the solution obtained in contact with an activated carbon.