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. 12, 1988
Filed:
Sep. 30, 1986
Applicant:
Inventors:
Kazuhiko Okabe, Wakayama, JP;
Yukinaga Yokota, Osaka, JP;
Kazuhito Matsutani, Wakayama, JP;
Tatuhiro Imanaka, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
544404 ; 544106 ; 546184 ; 548579 ; 564398 ; 564446 ; 564473 ;
Abstract
A tertiary amine is effectively prepared by reacting a primary or secondary amine with formaldehyde in the presence of a palladium or platinum catalyst at a hydrogen pressure of 3 to 50 kg/cm2 (gauge pressure) at a temperature of 80.degree. to 180.degree. C., by controlling the addition of formaldehyde to the starting amine.