Inventor

SPIVACK JOHN D

US75 patents

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SPIVACK JOHN D

CIBA GEIGY CORP

Alkanolamine esters of 1,1&#39;-biphenyl-2,2&#39;-diyl-and alkylidene-1,1&#39;-biphenyl-2,2&#39;-diyl-cyclic phosphites

Polyalkylene glycol esters of hindered phenols substituted alkanoic acid

Bis(substituted thioalkyl)hydroxylamines and stabilized polyolefin compositions

Alkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-biphenyl-2,2-diyl-cyclic phosphites

Alkylated 2,2&#39;-biphenylene phosphites and stabilized compositions

Hindered phenyl phosphites

Alkylated 1,1&#39;-biphenyl-2,2&#39;-diyl phosphites and stabilized compositions

Hindered phenyl phosphites

Metal salts of N,N-disubstituted β-alanines and stabilized compositions

(Hydroxyphenyl) phosphine stabilized compositions

3,5-dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene glycols

Pentaerythritol diphosphite stabilizers and process

Thiocarbamate stabilizers

Ortho-alkylated phenyl phosphonites and stabilized organic compositions

Ortho-alkylated phenyl phosphonites

Polymer compositions stabilized with hindered phenyl secondary phosphites

Hindered phenyl phosphites

Alkylated 1,1&#39;-biphenyl-2,2&#39;-diyl phosphonites and stabilized compositions

Trisubstituted hydroxyphenylalkanoic acid ester and amide stabilized compositions

Trialkylsubstituted hydroxybenzyl malonates and stabilized compositions

Esters and amides of trisubstituted hydroxyphenylalkanoic acids

2,4,6-Trialkyl L-3-hydroxyphenylalkanoates

Esters of trisubstituted hydroxyphenylalkanoic acids

2,3,5-Trialkyl-4-hydroxybenzylphosphonates and phosphinates

6-(1-hydro-2,2,6,6-tetraalkyl-piperidine-4-oxy)dibenzodioxaphosphepin and dioxaphosphocin process stabilizers

Substituted N-(4-hydroxyphenylthioalkyl) cyclic imides

Tri- and Tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers and stabilized compositions

Primary or secondary amino substituted dibenzo dioxaphosphepins and dioxaphosphocins

S-(4-Hydroxyphenyl)thiocarboxylic ester antioxidants

Dioxasilepin and dioxasilocin stabilizers

Alkylated 2,2&#39;-biphenylene phosphonates and stabilized compositions

Alkylated 2,2&#39;-biphenylene phosphites

Hydrolytically stable ortho-alkylated phenyl phosphonites and stabilized compositions

Cyclic phosphonite stabilizers

Hindered phenyl phosphites

2,4,6-Trialkyl-3-hydroxyphenylalkane phosphonate and phosphinate stabilizers

Bis-piperazides of trisubstituted hydroxyphenylalkanoic acids

Hindered phenolic cyclic phosphonates and stabilized compositions

2,3,5-Trialkyl-4-hydroxybenzylphosphonates and phosphinates

Long chain (4-hydroxyphenyl) propanoate stabilizers

Light stabilized polymer compositions

Light stabilized polymer compositions

Benzoate-stabilized rigid polyvinyl chloride compositions

Substituted N-thiomethyl phenothiazines as lubricant stabilizers

Substituted (4-hydroxyphenylthioalkyl) derivatives

Process for the preparation of 3,5-dialkyl-4-hydroxy benzoic acid

1H-polyalkyl-phosphorinanes

Tri- and tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers

Substituted dibenzo dioxaphosphepins and dioxaphosphocins as stabilizers

PASTOR STEPHEN D

Hindered silicon ester stabilizers

Alkanolamine esters of 1,1'-biphenyl-2,2'-diyl-and alkylidene-1,1'-biphenyl-2,2'-diyl-cyclic phosphites

Alkylated 2,2'-biphenylene phosphites and stabilized compositions

Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized compositions

Alkylated 1,1'-biphenyl-2,2'-diyl phosphonites and stabilized compositions

Alkylated 2,2'-biphenylene phosphonates and stabilized compositions

Alkylated 2,2'-biphenylene phosphites