Inventor · disambiguated record
John D. Spivack
Also filed as: DEXTER MARTIN · SPIVACK JOHN D
75 granted patents·1,099 citations·filing 1973–1993
99Inventor score
Top patents by PatentIndex Score
75 records- 0198US4318845AAlkanolamine esters of 1,1'-biphenyl-2,2'-diyl-and alkylidene-1,1'-biphenyl-2,2'-diyl-cyclic phosphitesCIBA GEIGY CORP·Filed 1980·Granted Mar 9, 1982·79 cites·24 claims
- 0297US3944594APolyalkylene glycol esters of hindered phenols substituted alkanoic acidCIBA GEIGY CORP·Filed 1973·Granted Mar 16, 1976·67 cites·11 claims
- 0396US4094855AHindered phenyl phosphitesCIBA GEIGY CORP·Filed 1976·Granted Jun 13, 1978·37 cites·20 claims
- 0493US4196117AAlkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized compositionsCIBA GEIGY CORP·Filed 1978·Granted Apr 1, 1980·43 cites·23 claims
- 0593US4077941AMetal salts of N,N-disubstituted β-alanines and stabilized compositionsCIBA GEIGY CORP·Filed 1976·Granted Mar 7, 1978·42 cites·19 claims
- 0692US4374219AAlkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-biphenyl-2,2-diyl-cyclic phosphitesCIBA GEIGY CORP·Filed 1981·Granted Feb 15, 1983·50 cites·8 claims
- 0791US4032562A3,5-dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene glycolsCIBA GEIGY CORP·Filed 1975·Granted Jun 28, 1977·43 cites·4 claims
- 0891US3962377A2,3,5-Trialkyl-4-hydroxybenzylphosphonates and phosphinatesCIBA GEIGY CORP·Filed 1974·Granted Jun 8, 1976·19 cites·9 claims
- 0990US4233208APolymer compositions stabilized with hindered phenyl secondary phosphitesCIBA GEIGY CORP·Filed 1978·Granted Nov 11, 1980·20 cites·26 claims
- 1089US4207229AHindered phenyl phosphitesCIBA GEIGY CORP·Filed 1978·Granted Jun 10, 1980·31 cites·10 claims
- 1189US3984460AEsters of trisubstituted hydroxyphenylalkanoic acidsCIBA GEIGY CORP·Filed 1974·Granted Oct 5, 1976·30 cites·46 claims
- 1287US4612393ABis(substituted thioalkyl)hydroxylamines and stabilized polyolefin compositionsCIBA GEIGY CORP·Filed 1985·Granted Sep 16, 1986·32 cites·28 claims
- 1387US4288391AAlkylated 2,2'-biphenylene phosphitesCIBA GEIGY CORP·Filed 1979·Granted Sep 8, 1981·17 cites·8 claims
- 1486US4406842AOrtho-alkylated phenyl phosphonitesCIBA GEIGY CORP·Filed 1981·Granted Sep 27, 1983·18 cites·5 claims
- 1586US4180498AHindered phenyl phosphitesCIBA GEIGY CORP·Filed 1978·Granted Dec 25, 1979·26 cites·10 claims
- 1686US4049713AEsters and amides of trisubstituted hydroxyphenylalkanoic acidsCIBA GEIGY CORP·Filed 1976·Granted Sep 20, 1977·27 cites·18 claims
- 1785US4692539APentaerythritol diphosphite stabilizers and processCIBA GEIGY CORP·Filed 1986·Granted Sep 8, 1987·20 cites·6 claims
- 1885US4351759AAlkylated 2,2'-biphenylene phosphites and stabilized compositionsCIBA GEIGY CORP·Filed 1981·Granted Sep 28, 1982·31 cites·12 claims
- 1984US3988363A2,4,6-Trialkyl L-3-hydroxyphenylalkanoatesCIBA GEIGY CORP·Filed 1974·Granted Oct 26, 1976·21 cites·22 claims
- 2082US4081475ATrialkylsubstituted hydroxybenzyl malonates and stabilized compositionsCIBA GEIGY CORP·Filed 1975·Granted Mar 28, 1978·25 cites·7 claims
- 2181US4835202A(Hydroxyphenyl) phosphine stabilized compositionsCIBA GEIGY CORP·Filed 1987·Granted May 30, 1989·26 cites·28 claims
- 2280US4560799ATri- and Tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers and stabilized compositionsCIBA GEIGY CORP·Filed 1984·Granted Dec 24, 1985·14 cites·14 claims
- 2379US4508865AS-(4-Hydroxyphenyl)thiocarboxylic ester antioxidantsCIBA GEIGY CORP·Filed 1983·Granted Apr 2, 1985·13 cites·11 claims
- 2479US4143028AAlkylated 1,1'-biphenyl-2,2'-diyl phosphonites and stabilized compositionsCIBA GEIGY CORP·Filed 1977·Granted Mar 6, 1979·19 cites·12 claims
- 2577US4692532ASubstituted N-(4-hydroxyphenylthioalkyl) cyclic imidesCIBA GEIGY CORP·Filed 1984·Granted Sep 8, 1987·9 cites·8 claims
- 2677US4636573AHindered silicon ester stabilizersPASTOR STEPHEN D·Filed 1985·Granted Jan 13, 1987·16 cites·13 claims
- 2777US4185006ACyclic phosphonite stabilizersCIBA GEIGY CORP·Filed 1978·Granted Jan 22, 1980·17 cites·9 claims
- 2876US4808645A6-(1-hydro-2,2,6,6-tetraalkyl-piperidine-4-oxy)dibenzodioxaphosphepin and dioxaphosphocin process stabilizersCIBA GEIGY CORP·Filed 1988·Granted Feb 28, 1989·12 cites·18 claims
- 2975US4474914AOrtho-alkylated phenyl phosphonites and stabilized organic compositionsCIBA GEIGY CORP·Filed 1983·Granted Oct 2, 1984·19 cites·10 claims
- 3074US4521320AThiocarbamate stabilizersCIBA GEIGY CORP·Filed 1983·Granted Jun 4, 1985·19 cites·16 claims
- 3172US4093587ATrisubstituted hydroxyphenylalkanoic acid ester and amide stabilized compositionsCIBA GEIGY CORP·Filed 1976·Granted Jun 6, 1978·22 cites·22 claims
- 3272US3935163ALight stabilized polymer compositionsCIBA GEIGY CORP·Filed 1974·Granted Jan 27, 1976·13 cites·10 claims
- 3371US4069200A2,3,5-Trialkyl-4-hydroxybenzylphosphonates and phosphinatesCIBA GEIGY CORP·Filed 1976·Granted Jan 17, 1978·7 cites·7 claims
- 3467US4101550ABis-piperazides of trisubstituted hydroxyphenylalkanoic acidsCIBA GEIGY CORP·Filed 1977·Granted Jul 18, 1978·11 cites·4 claims
- 3566US4161473A2,4,6-Trialkyl-3-hydroxyphenylalkane phosphonate and phosphinate stabilizersCIBA GEIGY CORP·Filed 1976·Granted Jul 17, 1979·10 cites·15 claims
- 3666US3935164ALight stabilized polymer compositionsCIBA GEIGY CORP·Filed 1974·Granted Jan 27, 1976·11 cites·14 claims
- 3763US4619957ABenzoate-stabilized rigid polyvinyl chloride compositionsCIBA GEIGY CORP·Filed 1985·Granted Oct 28, 1986·14 cites·10 claims
- 3863US4051104ABenzoyloxybenzoates and compositions stabilized therewithCIBA GEIGY CORP·Filed 1975·Granted Sep 27, 1977·5 cites·15 claims
- 3962US4730083AProcess for the preparation of 3,5-dialkyl-4-hydroxy benzoic acidCIBA GEIGY CORP·Filed 1986·Granted Mar 8, 1988·6 cites·5 claims
- 4062US4713475ALong chain (4-hydroxyphenyl) propanoate stabilizersCIBA GEIGY CORP·Filed 1986·Granted Dec 15, 1987·12 cites·13 claims
- 4161US4182704AHindered phenyl phosphitesCIBA GEIGY CORP·Filed 1978·Granted Jan 8, 1980·9 cites·15 claims
- 4260US4524166APrimary or secondary amino substituted dibenzo dioxaphosphepins and dioxaphosphocinsCIBA GEIGY CORP·Filed 1984·Granted Jun 18, 1985·12 cites·25 claims
- 4359US4233207AHydrolytically stable ortho-alkylated phenyl phosphonites and stabilized compositionsCIBA GEIGY CORP·Filed 1979·Granted Nov 11, 1980·14 cites·20 claims
- 4459US3962376A2,4,6-Trialkyl-3-hydroxyphenylalkane phosphonates and phosphinatesCIBA GEIGY CORP·Filed 1974·Granted Jun 8, 1976·3 cites·5 claims
- 4557US4433087AAlkylated 2,2'-biphenylene phosphonates and stabilized compositionsCIBA GEIGY CORP·Filed 1981·Granted Feb 21, 1984·9 cites·3 claims
- 4656US4093588AHindered phenolic cyclic phosphonates and stabilized compositionsCIBA GEIGY CORP·Filed 1976·Granted Jun 6, 1978·12 cites·10 claims
- 4753US4582870ADioxasilepin and dioxasilocin stabilizersCIBA GEIGY CORP·Filed 1985·Granted Apr 15, 1986·4 cites·10 claims
- 4851US4503243ADioxasilepin and dioxasilocin stabilizersCIBA GEIGY CORP·Filed 1983·Granted Mar 5, 1985·7 cites·16 claims
- 4951US4195016AHindered phenyl phosphitesCIBA GEIGY CORP·Filed 1978·Granted Mar 25, 1980·2 cites·12 claims
- 5048US4612341ATri- and tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizersCIBA GEIGY CORP·Filed 1985·Granted Sep 16, 1986·3 cites·19 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →