Inventor
STEINBERG DAVID H
15 patents
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CIBA GEIGY CORP
14 patentsUS5198134AMar 30, 1993
Substituted naphthalenediamine stabilizers
CIBA GEIGY CORP26 citations92
US4724248AFeb 9, 1988
Voltage stabilizing esters and urethanes
CIBA GEIGY CORP24 citations82
US4713475ADec 15, 1987
Long chain (4-hydroxyphenyl) propanoate stabilizers
CIBA GEIGY CORP12 citations73
US4534874AAug 13, 1985
Anti-oxidative, anti-thermal, and anti-actinic degradation amides of hydroxyphenylalkylthio alkanoic acids, compositions, and method of use therefor
CIBA GEIGY CORP13 citations73
US4125516ANov 14, 1978
Alkylthioalkanoyloxyalkyl and alkylthioalkyl substituted bis-hydantoin compounds
CIBA GEIGY CORP9 citations73
US4618440AOct 21, 1986
Substituted 4-hydroxybenzylthio aldehyde and ketone stabilizers
CIBA GEIGY CORP13 citations72
US3961054AJun 1, 1976
Combatting dandruff with mercapto quinoline N-oxides
CIBA GEIGY CORP12 citations71
US4797218AJan 10, 1989
Stabilizer thiirane derivatives containing hindered phenol groups
CIBA GEIGY CORP11 citations68
US5147568ASep 15, 1992
Substituted 2,3-dihydroperimidine stabilizers
CIBA GEIGY CORP5 citations62
US5145766ASep 8, 1992
Process for stabilizing magenta couplers and the corresponding image dyes in photographic materials
CIBA GEIGY CORP3 citations61
US4233209ANov 11, 1980
Hindered phenol hydrazones and compositions stabilized therewith
CIBA GEIGY CORP1 citations52
US5274170ADec 28, 1993
Substituted benzophenone stabilizers
CIBA GEIGY CORP1 citations51
US5012003AApr 30, 1991
Process for preparing dithiobisphenols
CIBA GEIGY CORP1 citations51
US4617404AOct 14, 1986
Process for preparing stabilizers containing sulfur and a hindered phenol group
CIBA GEIGY CORP0 citations46