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. 06, 2007
Filed:
Jul. 04, 2000
Applicants:
Gilbert Guidot, Massanes, FR;
Christophe Rochin, Princeton, NJ (US);
Laurent Saint-jalmes, Meyzieu, FR;
Inventors:
Gilbert Guidot, Massanes, FR;
Christophe Rochin, Princeton, NJ (US);
Laurent Saint-Jalmes, Meyzieu, FR;
Assignee:
Rhodia Chimie, Aubervilliers, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 263/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for dehydrogenofluorination for transforming an aromatic carbamoyl fluoride into a corresponding isocyanate, is provided. The method includes subjecting a carbamoyl fluoride to a temperature not less than 80° C. in a solvent wherein the carbamoyl fluoride is in a dissolved or finely dispersed state in the solvent. The method is applicable to organic synthesis.