P

Inventor

VIGNALI GRAZIANO

IT29 patents
⚠️ This page may combine multiple inventors who share the name “VIGNALI GRAZIANO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CIBA GEIGY CORP

20 patents
US5679794AOct 21, 1997

Polymer stabilizers containing both hindered amine and hydroxylamine moieties

CIBA GEIGY CORP35 citations96
US5668198ASep 16, 1997

Polymer stabilizers containing both hindered amine and hydroxylamine moieties

CIBA GEIGY CORP13 citations82
US5668199ASep 16, 1997

Polymer stabilizers containing both hindered amine and hydroxylamine moieties

CIBA GEIGY CORP12 citations82
US5552464ASep 3, 1996

Polymer stabilizers containing both hindered amine and hydroxylamine moieties

CIBA GEIGY CORP4 citations74
US5202441AApr 13, 1993

Polymer stabilizers containing both hindered amine and hydroxylamine moieties

CIBA GEIGY CORP9 citations74
US5047531ASep 10, 1991

Piperidine-triazine compounds for use as stabilizers for organic materials

CIBA GEIGY CORP11 citations74
US5489683AFeb 6, 1996

Piperidine-triazine compounds suitable for use as stabilisers for organic materials

CIBA GEIGY CORP7 citations73
US5449776ASep 12, 1995

Piperidine-triazine compounds for use as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials

CIBA GEIGY CORP9 citations73
US5256787AOct 26, 1993

Tri-piperdine compounds as stabilizers for organic materials

CIBA GEIGY CORP12 citations73
US5466803ANov 14, 1995

Piperidine-triazine compounds suitable for use as stabilizers for organic materials

CIBA GEIGY CORP7 citations63
US5410047AApr 25, 1995

Polymer stabilizers containing both hindered amine and hydroxlamine moieties

CIBA GEIGY CORP2 citations63
US5306495AApr 26, 1994

Compounds containing substituted piperidine groups for use as stabilizers for organic materials

CIBA GEIGY CORP6 citations63
US5134233AJul 28, 1992

Piperidine-triazine compounds containing silane groups

CIBA GEIGY CORP3 citations63
US5091450AFeb 25, 1992

Piperidine-triazine compounds containing tetrahydrofuran or tetrahydropyran groups, for use as stabilizers for organic materials

CIBA GEIGY CORP3 citations63
US5336706AAug 9, 1994

Piperidine-triazine compounds for use as stabilizers for organic materials

CIBA GEIGY CORP3 citations62
US5187275AFeb 16, 1993

Piperidine-triazine compounds

CIBA GEIGY CORP4 citations62
US4923992AMay 8, 1990

Process for the preparation of bis(2,2,6,6-tetramethyl-4-piperidyl)amine

CIBA GEIGY CORP4 citations58
US5310767AMay 10, 1994

Tetramethylpiperidine compounds for use as stabilizers for organic materials

CIBA GEIGY CORP2 citations52
US5652364AJul 29, 1997

Process for the preparation of 2,2,6,6-tetramethyl-4-piperidyloxy-1,3,5-triazines with two or more triazine rings

CIBA GEIGY CORP2 citations51
US5332816AJul 26, 1994

Piperazine-piperidine compounds for use as stabilizers for organic materials

CIBA GEIGY CORP0 citations42

VIGNALI GRAZIANO

5 patents

(unassigned)

3 patents

CIBA SC HOLDING AG

1 patent