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. 24, 1998
Filed:
Dec. 01, 1995
Applicant:
Inventors:
Edward T Shawl, Wallingford, PA (US);
Haven S Kesling, Jr, Drexel Hill, PA (US);
Vijai P Gupta, Berwyn, PA (US);
Assignee:
Arco Chemical Technology, L.P., Greenville, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568619 ; 568618 ; 568617 ; 568613 ;
Abstract
Polyethers of polyhydric compounds are prepared by the liquid phase reaction of polyhydric compound and the reaction being carried out with separate liquid phases comprised of a polar polyhydric compound phase and an organic polyether containing phase.