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.

Date of Patent:
Jul. 11, 2006

Filed:

Jul. 18, 2003
Applicants:

Wei-yang Su, Austin, TX (US);

Christopher H. Nelli, Austin, TX (US);

Inventors:

Wei-Yang Su, Austin, TX (US);

Christopher H. Nelli, Austin, TX (US);

Assignee:

Huntsman Petrochemical Corporation, The Woodlands, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is a process for the reductive alkylation of primary amines to form secondary amines, by high pressure reaction of the primary amine with an alkylating agent and hydrogen in the presence of a catalyst which comprises metallic palladium. A process of the present invention is characterized in having high conversion rates and high selectivities, both greater than 95% on a first pass through the reactor. According to a preferred embodiment, the secondary amine produced comprises at least one 2-alkyl group bonded to the nitrogen atom of the primary amine product.


Find Patent Forward Citations

Su, Wei-Yang. (2006). Preparation of secondary amines (U.S. Patent No. 7074963). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7074963

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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