Patent · US Expired

Phosphorus compounds that delay the metathesis polymerization of cycloolefins

US4933402A · kind A · utility

10Cited by
3References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 30, 1988
Grant dateJun 12, 1990
Priority date
Expiry dateDec 30, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/49
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed is a method of delaying the metathesis polymerization of strained ring cycloolefins by addition of certain phosphorus-containing compounds including various aryl phosphates, aliphatic phosphates, aliphatic phosphites, aryl phosphites, aryl phosphines and alkyl phosphines.

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