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:
Jul. 11, 2000
Filed:
Jan. 07, 1999
Applicant:
Inventors:
Renee Caroline Roemmele, Maple Glen, PA (US);
Andrew William Gross, Hatboro, PA (US);
David Wayne Mosley, Horsham, PA (US);
Assignee:
Rohm and Haas Company, Phila, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564484 ; 564485 ; 570189 ; 570217 ;
Abstract
This invention provides an improved process for the preparation of chloroalkynes from alkynyl alcohols. The chloroalkynes can be employed to prepare alkynyl amines which are useful for the manufacture of biologically active materials. The present invention reduces the hazards of the chlorination reaction, eliminates or greatly reduces by-product formation, and provides certain environmental benefits.