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:
Dec. 04, 1979
Filed:
Jul. 17, 1978
Applicant:
Inventor:
William C Seidel, Hockessin, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2606 / ; 2604 / ;
Abstract
Separating triarylboranes, e.g., triphenylborane from diaryl substituted boranes, e.g., diphenyl borinic acid by precipitation wherein the triaryl borane is present in a basic solution as the adduct while avoiding coprecipitation of the boranes by neutralizing the solution to a pH not less than the pH defined by the equation