Patent · US Expired

Aminovinylphosphonic ester stabilizers for organic material

US5610210A · kind A · utility

2Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 1995
Grant dateMar 11, 1997
Priority date
Expiry dateAug 9, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/53
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Aminovinylphosphonic esters I ##STR1## where R.sup.1 is cyano, a radical of the formula --CO--OR.sup.6 or a group of the formula ##STR2## R.sup.2, R.sup.3 and R.sup.6 are C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.7 -C.sub.18 -aralkyl, phenyl or tolyl, PA1 R.sup.4 is an unsubstituted or substituted phenyl or heterocyclic group defined below PA1 R.sup.5 is hydrogen or C.sub.1 -C.sub.12 -alkyl, PA1 R.sup.7 is hydrogen, C.sub.1 -C.sub.6 -alkyl, formyl, C.sub.2 -C.sub.6 -alkanoyl, C.sub.1 -C.sub.12 -alkoxy, C.sub.5 - or C.sub.6 -cycloalkoxy, cyanomethyl, 2-hydroxyethyl, benzyl or a radical of the formula --CR.sup.8 .dbd.CH--CO--OR.sup.6, PA1 R.sup.8 is hydrogen, C.sub.1 -C.sub.6 -alkyl or a radical of the formula --CO--OR.sup.6, and PA1 X is oxygen or NH, are used as light, oxygen and heat stabilizers for organic material.

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