Patent · US Expired

Carbonylation of olefinically unsaturated nitriles and acids using a sulfone solvent

US4508660A · kind A · utility

8Cited by
8References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 14, 1983
Grant dateApr 2, 1985
Priority date
Expiry dateMar 14, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/582
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process using selected sulfones, e.g., tetramethylenesulfone as solvents in the carbonylation of nitriles, e.g., 3-pentenenitrile and acids, e.g., 3-pentenoic acid to produce highly linear products.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.