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:
Jul. 28, 1987
Filed:
Sep. 18, 1986
Applicant:
Inventors:
John F Knifton, Austin, TX (US);
Neal J Grice, Austin, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564480 ;
Abstract
This invention is directed to novel catalyst compositions based on titania pellets on which a minor amount of tungstophosphoric acid or molybdophosphoric acid is deposited. Also, the invention is directed to a process for preparing predominantly linear polyethylenepolyamines from ethylenediamine and monoethanolamine using the novel catalyst compositions.
Knifton, John. (1987). Catalytic process for the preparation of linear polyethylenepolyamines (U.S. Patent No. 4683335). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4683335
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile