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:
Nov. 02, 2004
Filed:
Apr. 09, 2002
Applicant:
Inventors:
Kristina Ann Kreutzer, Wilmington, DE (US);
Wilson Tam, Boothwyn, PA (US);
J. Michael Garner, Wilmington, DE (US);
John Ronald Boyles, Wilmington, DE (US);
Assignee:
Invista North America S.a.r.l., Wichita, KS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07C / ; C07D / ; C07D / ; C07D / ;
Abstract
Multidentate phosphite ligands are disclosed for use in reactions such as hydrocyanation and isomerization. The catalyst compositions made therefrom and the various catalytic processes which employ such multidentate phosphite ligands are also disclosed. In particular, the ligands have heteroatom-containing substituents on the carbon attached to the ortho position of the terminal phenol group.
Kreutzer, Kristina. (2004). Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions (U.S. Patent No. 6812352). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6812352
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile