Patent · US Expired

N-methylated bis-4-piperidylphosphite

US5340855A · kind A · utility

4Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 1993
Grant dateAug 23, 1994
Priority date
Expiry dateMay 17, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/527
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to the novel compound 3,9-bis(1,2,2,6,6-pentamethyl-4-piperidyloxy)-2,4,8,10-tetraoxa-3,9-diphos phaspiro[5,5]undecane of formula I ##STR1## This compound can be used as stabilizer for organic material, especially as processing stabilizer for polyethylene and polypropylene.

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