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:
Jun. 15, 1993
Filed:
Mar. 30, 1990
Applicant:
Inventors:
Lloyd M Burgess, South Charleston, WV (US);
Arthur R Doumaux, Jr, Charleston, WV (US);
Stephen W King, Scott Depot, WV (US);
David J Schreck, Cross Lanes, WV (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07D / ;
U.S. Cl.
CPC ...
564480 ; 502308 ; 502309 ; 544358 ; 544359 ; 544360 ; 544401 ; 544402 ; 544410 ; 564470 ; 564479 ; 564505 ; 564507 ; 564508 ; 564511 ; 564512 ;
Abstract
This invention relates to a process for making amines having a high yield weight percent of pentaethylenehexamine (PEHA) and hydroxyethyltriethylenetetramine (HETETA) by condensing an amino compound in the presence of a condensation catalyst selected from a Group IVB metal oxide, a Group VIB metal-containing substance and a promoted condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in PEHA and HETETA.