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:
Oct. 02, 1984
Filed:
May. 16, 1983
Applicant:
Inventors:
David J Drury, Hull, GB;
John E Hamlin, Hull, GB;
Assignee:
BP Chemicals Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544351 ; 2602433 ; 2605011 ; 546348 ; 562609 ; 562550 ;
Abstract
Formate salts of nitrogenous bases containing tertiary nitrogen are prepared by reacting the nitrogenous base with carbon dioxide and hydrogen using a soluble transition metal catalyst. For example triethylamine is reacted with carbon dioxide and hydrogen using ruthenium trichloride as catalyst and an isopropanol/water mixture as solvent to yield triethylammonium formate which was separated from the reaction mixture by distillation.