Patent · US Expired

Process for preparing a mixture of tetrahydrofuran and 3-alkyl tetrahydrofuran and copolymers thereof

US4590285A · kind A · utility

27Cited by
5References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 15, 1984
Grant dateMay 20, 1986
Priority date
Expiry dateNov 15, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D307/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A mixture of 1,4-butanediol and 2-alkyl-1,4-butanediol is produced by catalytic hydrogenation and reaction with an aldehyde. Such mixture is cyclized to a mixture of tetrahydrofuran and 3-alkyl tetrahydrofuran. Copolymers can then be made from such mixtures of furans.

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