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. 14, 1978
Filed:
Oct. 06, 1977
Applicant:
Inventor:
Henry G Howell, East Syracuse, NY (US);
Assignee:
Bristol-Myers Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544336 ; 544102 ; 2603473 ; 2603474 ; 544168 ; 260404 ; 2605 / ; 544224 ; 2605 / ; 2605 / ; 544235 ; 26034673 ; 2605 / ; 544237 ; 2605 / ; 2605 / ; 544249 ; 544258 ; 544277 ; 544292 ; 544332 ; 544356 ; 548337 ; 548372 ; 546309 ; 546138 ; 546143 ; 546159 ; 546122 ; 546108 ; 546105 ; 546 88 ; 546 87 ; 2603 / ; 2603 / ; 2603 / ; 2603 / ; 2603 / ; 2603 / ; 2603 / ; 2603262 ; 2603452 ; 2603 / ;
Abstract
An improved and novel process is provided for the reduction of isocyanate groups in organic compounds to formamide groups by catalytic hydrogenation with a noble metal catalyst. The process allows preparation of formamides in consistently high yields from all types of isocyanates.