Patent · US Expired

Polysiloxanic stabilizers containing sterically hindered phenol groups and oxamidic groups

US5302735A · kind A · utility

14Cited by

3References

16Claims

0Family size

Assignee

Enichem Synthesis S.p.A. · IT

Inventors

Carlo Neri · San Donato Milanese, IT
Daniele Fabbri · Riccione, IT
Luciano Pallini · Salsomaggiore Terme, IT

Key dates

Filing date	Apr 21, 1993
Grant date	Apr 12, 1994
Priority date	—
Expiry date	Apr 21, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2207/062
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polysiloxanic compounds, containing sterically hindered phenol groups and oxamidic groups in the molecule, obtained by the copolymerization of monomers having general formula (I): EQU (R.sup.1).sub.n (R.sup.2).sub.3-n Si--R.sup.3 (I) with monomers having general formula (II): ##STR1##

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