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. 20, 1979
Filed:
Jul. 17, 1978
Applicant:
Inventor:
Robert W Shelton, Terre Haute, IN (US);
Assignee:
International Minerals & Chemical Corp., Terre Haute, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544162 ;
Abstract
In a process for the production of 2-nitrobutylmorpholine from 1-nitropropane, morpholine and formaldehyde the improvement comprising mixing 1-nitropropane and morpholine, heating to about 55-60.degree. C., adding formaldehyde over about a 3-4 hour period, holding the reaction mixture at about 55-60.degree. C. for about a 2-3 hour period to make a total addition/holding period of at least six hours, cooling the reacton mixture to form a two phase oil/aqueous system and concentrating the oil layer to 2-nitrobutylmorpholine by removing excess water and 1-nitropropane.