Patent · US Expired

Process for polymerizing cycloolefines

US3954699A · kind A · utility

2Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 1974
Grant dateMay 4, 1976
Priority date
Expiry dateAug 30, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G61/08
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A Process for polymerizing cycloolefins by ring opening reaction using heterogeneous catalyst containing tungsten trioxide and Lewis acid or tungsten trioxide, Lewis acid and organoaluminum compound as the polymerization catalyst.

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