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:
May. 09, 2000
Filed:
Feb. 10, 1997
Robert W Gedridge, Jr, Ridgecrest, CA (US);
Thomas J Groshens, Ridgecrest, CA (US);
Kelvin T Higa, Ridgecrest, CA (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
A new compound tertiarybutylbis-(dimethylamino)phosphine and a process for preparing the compound, which has the formula ((CH.sub.3).sub.3 C) ((CH.sub.3).sub.2 N).sub.2 P. The process has the steps of: (1) reacting phosphorus trihalide, PX.sub.3, with tertiarybutyl Grignard reagent, ((CH.sub.3).sub.3 C)MgX, where X is a halide; (2) treating the resulting product with lithium dimethylamide, LiN(CH.sub.3).sub.2 to form a reaction mixture; and (3) recovering ((CH.sub.3).sub.3 C) ((CH.sub.3).sub.2 N).sub.2 P from the reaction mixture.