Patent · US Expired

Process for co-polymerization of formaldehyde with cyclic ethers in the presence of organic nitro compounds

US5942595A · kind A · utility

3Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 13, 1998
Grant dateAug 24, 1999
Priority date
Expiry dateJul 13, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2/24
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed is a process for copolymerization of formaldehyde with cyclic ethers in the presence of organic nitro compounds. The process enhances the selectivity for the cyclic copolymer.

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