Inventor

SCRIMA ROBERTO

IT14 patents

Patents

14 patents

US5610211AMar 11, 1997

2,2,6,6-tetramethylpiperidine derivatives for use as stabilizing agents for organic materials

CIBA GEIGY CORP8 citations73

US5496875AMar 5, 1996

Derivatives of 2,2,6,6-tetramethyl-4-piperidinol for use as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials

CIBA GEIGY CORP18 citations73

US5256787AOct 26, 1993

Tri-piperdine compounds as stabilizers for organic materials

CIBA GEIGY CORP12 citations73

US5439958AAug 8, 1995

Polyalkyl-4-piperidinol derivatives for use as stabilizers for organic materials

CIBA GEIGY CORP10 citations72

US5387687AFeb 7, 1995

Piperidine compounds a tetrahydrofuran ring for use as stabilisers for organic material

CIBA GEIGY CORP4 citations62

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

US5268401ADec 7, 1993

Piperidine-triazine compounds for use as stabilizers for organic materials

CIBA GEIGY CORP5 citations61

US5210118AMay 11, 1993

Method for stabilizing synthetic thermoplastic materials against thermal degradation

CIBA GEIGY CORP4 citations61

US5457143AOct 10, 1995

Stabilization of polymeric organic materials by using synergistic mixtures comprising sterically hindered cyclic amines and derivatives of 3-pyrazolidinone or 1,2,4-triazolidine-3,5-dione

CIBA GEIGY CORP6 citations54

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

US5457199AOct 10, 1995

Piperidine compounds for use as stabilizers for organic materials

CIBA GEIGY CORP1 citations51

US5196465AMar 23, 1993

Polymeric thermoplastic materials, comprising 1,2,4-triazolidine-3,5-dione derivatives as stabilizers

CIBA GEIGY CORP1 citations51

US5416216AMay 16, 1995

Tetramethylpiperidine compounds for use as stabilizers for organic materials

CIBA GEIGY CORP0 citations41