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:
Oct. 04, 1983
Filed:
Aug. 16, 1982
Applicant:
Inventors:
Harry E Ulmer, Morristown, NJ (US);
Donald Pickens, Mendham, NJ (US);
Forrest J Rahl, Hackettstown, NJ (US);
Philip A Lefrancois, Cranford, NJ (US);
Assignee:
Allied Corporation, Morris Township, Morris County, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423347 ; 423341 ;
Abstract
Silicon tetrafluoride is reacted with sodium hydride in a cyclic ether reaction medium such as tetrahydrofuran or 1,4-dioxane or in dimethoxyethane. Sodium aluminum hydride is dissolved in the solvent and catalyzes the reaction in amounts of 4-25%, by weight of combined sodium hydride and sodium aluminum hydride.