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:
Nov. 23, 1993
Filed:
Apr. 03, 1992
Applicant:
Inventors:
James D Carroll, Carteret, NJ (US);
David J Mathre, Skillman, NJ (US);
Edward G Corley, Old Bridge, NJ (US);
Andrew S Thompson, Mountainside, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ; C07D / ;
U.S. Cl.
CPC ...
546 13 ; 548110 ;
Abstract
Oxazaborolidine-borane complexes are prepared by adding a C.sub.5-8 alkane, typically hexane, to an aged solution of oxazaborolidine and a source of borane such as borane-dimethyl sulfide or gaseous diborane to crystallize the oxazaborolidine complex.