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:
May. 26, 2009
Filed:
Feb. 01, 2005
Michael Siskin, Randolph, NJ (US);
Alan Roy Katritzky, Gainesville, FL (US);
Kostyantyn Mykolayevich Kirichenko, Gainesville, FL (US);
Adeana Richelle Bishop, Baton Rouge, LA (US);
Christine Nicole Elia, Bridgewater, NJ (US);
Michael Siskin, Randolph, NJ (US);
Alan Roy Katritzky, Gainesville, FL (US);
Kostyantyn Mykolayevich Kirichenko, Gainesville, FL (US);
Adeana Richelle Bishop, Baton Rouge, LA (US);
Christine Nicole Elia, Bridgewater, NJ (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
Severely sterically hindered secondary aminoether alcohols are prepared by a process comprising reacting a ketene with sulfuric acid to produce an anhydride which is then reacted with, to cleave the ring of, a dioxane to yield a cleavage product which is then aminated using an amine, followed by hydrolysis with a base to yield the desired severely sterically hindered secondary aminoether alcohol.