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:
Aug. 20, 1991
Filed:
May. 01, 1989
Applicant:
Inventors:
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, US;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568704 ;
Abstract
A process for reacting nitroparaffins with formaldehyde in the presence of potassium hydroxide by aldol condensation which can be carried out continuously or discontinuously and on a large scale. This is achieved by mixing the nitroparaffin, aqueous aldehyde solution and potassium hydroxide in the absence of organic solvents and carrying out the reaction while maintaining the temperature between -5.degree. and +20.degree. C.