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. 22, 1994
Filed:
Dec. 30, 1992
Applicant:
Inventor:
Stephane Fouquay, 76130 Mont Saint-Aignan, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
564469 ; 544162 ; 544178 ; 544185 ; 544186 ; 544402 ; 544404 ; 546184 ; 546246 ; 548569 ; 548579 ; 554 51 ; 554 56 ; 554 68 ; 564159 ; 564488 ; 564489 ; 564490 ; 564491 ; 564503 ; 564505 ; 564508 ; 564511 ; 564512 ;
Abstract
The methylated tertiary amines are selectively prepared by reacting a primary or secondary amine, or a nitrile or aminonitrile, including an aminoalcohol, etheramine, a polyamine or fatty polyamine or amidoamine, or amidopolyamine or dinitrile, with hexamethylenetetramine ('HMTA'), under hydrogen pressure at a temperature no greater than about 160.degree. C. and in the presence of a catalytically effective amount of a hydrogenation catalyst, e.g., nickel deposited onto appropriate support substrate therefor.