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:
Jan. 04, 1977
Filed:
May. 17, 1974
Applicant:
Inventors:
Arnold Hershman, St. Louis, MO (US);
Anthony J Pearson, Highton, AU;
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 26029351 ; 2603268 ;
Abstract
The conversion of linear or branched primary diamines to saturated secondary cyclic amines with the repression of the formation of linear or branched secondary amines, tertiary amines and polymers is carried out in the vapor phase, with a diluent, preferably hydrogen, over a solid catalyst comprising an element selected from the group consisting of nickel, copper, cobalt or iron.
Quick Actions:
Hershman, Arnold. (1977). Repression of polymer formation in the conversion of linear or branched (U.S. Patent No. 4001213). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4001213
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile