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:
Oct. 29, 1985
Filed:
Jul. 26, 1984
Applicant:
Inventors:
Susan D Unvert, Austin, TX (US);
Steven H Vanderpool, New Braunfels, TX (US);
John F Knifton, Austin, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564479 ; 564512 ;
Abstract
Essentially linear polyethylenepolyamines are prepared by reacting monoethanolamine with ethylenediamine in the presence of an intercalatively catalytically active tetravalent zirconium polymeric reaction product of an organo phosphonic acid or an ester thereof with a compound of tetravalent zirconium reactive therewith, such as zirconium trimethylene diphosphonate prepared by reacting trimethylenediphosphonic acid wth zirconyl chloride.