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:
Feb. 23, 1999
Filed:
Sep. 11, 1997
Applicant:
Inventors:
Paul T Angell, Middletown, OH (US);
John Martin, Loveland, OH (US);
Peter B Anzeveno, Zionsville, ID (US);
Assignee:
Merrell Pharmaceuticals Inc., Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564512 ; 564511 ;
Abstract
A process for preparing polyamines of the formula ##STR1## by selective introduction of the groups Z--CH.sub.2 -- at the terminal nitrogens from a polyamine having no nitrogen substituents by formation of bis-hexahydropyrimidine derivative, acylation, reduction of acyl group to give Z--CH.sub.2 --, and solvolysis.
Angell, Paul. (1999). Process for preparing polyamine derivatives and intermediates thereof (U.S. Patent No. 5874627). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5874627
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile