IP Library › Granted Patent US 12,698,299
Granted Patent B2
US 12,698,299 · App. 18/995,173 · Granted Aug 4, 2026

Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions

Inventors: Benjamin David Herzog (Wichita, KS); William J. Tenn, III (Beaumont, TX)
Assignee: INV Nylon Chemicals Americas, LLC
C07F9/65746C07C253/10
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Quick Facts
Patent No.
US 12,698,299
App. No.
18/995,173
Filed
Jan 16, 2025
Granted
Aug 4, 2026
Kind
B2
Art Unit
1626
USPC
558/77
Abstract

A process for the hydrocyanation of an organic compound containing at least one olefinic group comprising reacting the organic compound with hydrogen cyanide in the presence of a catalyst complex comprising a bidentate phosphite ligand having one of the following structures: (I) and (II) and at least one transition metal.

Claims (10)

1 . A process for the hydrocyanation of an organic compound containing at least one olefinic group comprising reacting the organic compound with hydrogen cyanide in the presence of a catalyst complex comprising a bidentate phosphite ligand having one of the following structures:

and at least one transition metal.

2 . The process of claim 1 , wherein the bidentate phosphite ligand has the following structure:

3 . The process of claim 1 , wherein the bidentate phosphite ligand has the following structure:

4 . The process of claim 1 , wherein the bidentate phosphite ligand has the following structure:

5 . The process of claim 1 , wherein the at least one transition metal comprises nickel.

6 . The process of claim 1 , wherein the organic compound comprises 1,3-butadiene.

7 . The process of claim 1 , wherein the organic compound comprises 3-pentenenitrile.

8 . The process of claim 1 , wherein a product of the hydrocyanation is a monoethylenically unsaturated compound, wherein the process further comprises double bond isomerization of the monoethylenically unsaturated compound comprising contacting the monoethylenically unsaturated compound with the catalyst complex.

9 . The process of claim 8 , wherein the monoethyleneically unsaturated compound is 2-methyl-3-butenenitrile.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2025
From: HERZOG, BENJAMIN DAVID; TENN, WILLIAM J., III
To: INV NYLON CHEMICALS AMERICAS, LLC
Reel/Frame 070374/0571 →
Priority Claims (1)
GB 2215106 · Oct 13, 2022 · national
Continuity (2)
Provisional Application 63394311 · Aug 2, 2022
Related Publication 20260035395A1 · Feb 5, 2026
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