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:
Mar. 07, 1995
Filed:
Apr. 05, 1994
Applicant:
Inventors:
Samuel J Washington, Baton Rouge, LA (US);
Tony F Grant, Baton Rouge, LA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564475 ; 564477 ;
Abstract
An improved process for reducing the amount of at least the glycol ether byproducts formed in a process for making unsubstituted ethanolamines from the reaction of ethylene oxide and ammonia or in a process for making substituted ethanolamines via the reaction of ethylene oxide and a substituted amine, wherein carbon dioxide or a material which will evolve carbon dioxide is fed to a reactor for making the unsubstituted or substituted ethanolamine.
Washington, Samuel. (1995). Processes for making ethanolamines (U.S. Patent No. 5395973). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5395973
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile