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. 10, 1979
Filed:
Feb. 21, 1978
Applicant:
Inventors:
Joseph A Neff, San Clemente, CA (US);
William D English, Orange, CA (US);
Assignee:
TRW Inc., Redondo Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01C / ;
U.S. Cl.
CPC ...
423276 ; 423468 ; 423470 ;
Abstract
The compound NF.sub.4 MF.sub.6 where M is a Group V metalloid is reacted with a fluoride of sodium to yield tetrafluorammonium bifluoride in solution with hydrogen fluoride and a precipitate of the formula NaMF.sub.6. The preferred metaloid is antimony. The formed tetrafluorammonium bifluoride may be converted to NF.sub.4 BF.sub.4 by reaction with BF.sub.3.