Frank Cortolano

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Valhalla, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymeric substrates stabilized with N-substituted hindered amines
- Patent number 5,004,770
- Issue date Apr 2, 1991
- Ciba-Geigy Corporation
- Frank P. Cortolano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilizer thiirane derivatives containing hindered phenol groups
- Patent number 4,797,218
- Issue date Jan 10, 1989
- Ciba-Geigy Corporation
- David H. Steinberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Long chain N,N,-dialkylhydroxylamines and stabilized compositions
- Patent number 4,782,105
- Issue date Nov 1, 1988
- Ciba-Geigy Corporation
- Ramanathan Ravichandran
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substituted 4-hydroxybenzylthio aldehyde and ketone stabilizers
- Patent number 4,618,440
- Issue date Oct 21, 1986
- Ciba-Geigy Corporation
- David H. Steinberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing stabilizers containing sulfur and a hindered...
- Patent number 4,617,404
- Issue date Oct 14, 1986
- Ciba-Geigy Corporation
- David H. Steinberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Anti-oxidative, anti-thermal, and anti-actinic degradation amides o...
- Patent number 4,534,874
- Issue date Aug 13, 1985
- Ciba-Geigy Corporation
- David H. Steinberg
- C07 - ORGANIC CHEMISTRY