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:
Jun. 23, 1981
Filed:
Jan. 10, 1980
Applicant:
Inventors:
Harris E Petree, Kernersville, NC (US);
James B Nabors, Baton Rouge, LA (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564446 ; 26034611 ; 568443 ;
Abstract
Cyclopropylmethyl-N-n-propylamine is prepared by (a) cyclizing 1,4-butanediol by a cobalt-containing catalyst to 2,3-dihydrofuran at a temperature in the range of about 210.degree.-235.degree. C.; (b) thermally isomerizing the 2,3-dihydrofuran to cyclopropanecarboxaldehyde in an open-reactor columm; and (c) reductively alkylating the cyclopropanecarboxaldehyde with n-propylamine and hydrogen in the presence of a platinum catalyst.
Petree, Harris. (1981). Process for the preparation of cyclopropylmethyl-n-propylamine (U.S. Patent No. 4275238). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4275238
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile