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:
Mar. 03, 1992
Filed:
Nov. 08, 1989
Applicant:
Inventors:
James M Renga, Santa Rosa, CA (US);
Alan G Olivero, Santa Rosa, CA (US);
Mark Bosse, Santa Rosa, CA (US);
Assignee:
Kenkel Research Corporation, Santa Rosa, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
568873 ; 568673 ; 568692 ; 564509 ;
Abstract
Functional internal alkynes are conveniently and economically prepared by dehydrohalogenating a dibromide with an alkali metal hydroxide in the presence of a phase transfer catalyst.