Spivack; John D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Spivack; John D..The latest application filed is for "(hydroxyphenyl) phosphine stabilized compositions".

Company Profile

0.36.0

Spivack; John D. - Spring Valley NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
(Hydroxyphenyl) phosphine stabilized compositions Grant 4,835,202 - Pastor , et al. May 30, 1	1989-05-30
6-(1-hydro-2,2,6,6-tetraalkyl-piperidine-4-oxy)dibenzodioxaphosphepin and dioxaphosphocin process stabilizers Grant 4,808,645 - Ravichandran , et al. February 28, 1	1989-02-28
Process for the preparation of 3,5-dialkyl-4-hydroxy benzoic acid Grant 4,730,083 - Pastor , et al. March 8, 1	1988-03-08
Long chain (4-hydroxyphenyl) propanoate stabilizers Grant 4,713,475 - Spivack , et al. December 15, 1	1987-12-15
Pentaerythritol diphosphite stabilizers and process Grant 4,692,539 - Spivack September 8, 1	1987-09-08
Substituted N-(4-hydroxyphenylthioalkyl) cyclic imides Grant 4,692,532 - Spivack , et al. September 8, 1	1987-09-08
Hindered silicon ester stabilizers Grant 4,636,573 - Pastor , et al. January 13, 1	1987-01-13
Benzoate-stabilized rigid polyvinyl chloride compositions Grant 4,619,957 - Reid , et al. * October 28, 1	1986-10-28
Tri- and Tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers and stabilized compositions Grant 4,560,799 - Spivack , et al. December 24, 1	1985-12-24
Substituted (4-hydroxyphenylthio) succinic anhydride or succinate stabilizers Grant 4,547,539 - Spivack , et al. October 15, 1	1985-10-15
Primary or secondary amino substituted dibenzo dioxaphosphepins and dioxaphosphocins Grant 4,524,166 - Spivack , et al. June 18, 1	1985-06-18
S-(4-Hydroxyphenyl)thiocarboxylic ester antioxidants Grant 4,508,865 - Spivack , et al. April 2, 1	1985-04-02
Dioxasilepin and dioxasilocin stabilizers Grant 4,503,243 - Spivack , et al. March 5, 1	1985-03-05
Ortho-alkylated phenyl phosphonites and stabilized organic compositions Grant 4,474,914 - Spivack October 2, 1	1984-10-02
Ortho-alkylated phenyl phosphonites Grant 4,406,842 - Spivack September 27, 1	1983-09-27
Alkylated 2,2'-biphenylene phosphites and stabilized compositions Grant 4,351,759 - Spivack September 28, 1	1982-09-28
Alkanolamine esters of 1,1'-biphenyl-2,2'-diyl-and alkylidene-1,1'-biphenyl-2,2'-diyl-cyclic phosphites Grant 4,318,845 - Spivack , et al. March 9, 1	1982-03-09
Alkylated 2,2'-biphenylene phosphites Grant 4,288,391 - Spivack * September 8, 1	1981-09-08
Hydrolytically stable ortho-alkylated phenyl phosphonites and stabilized compositions Grant 4,233,207 - Spivack November 11, 1	1980-11-11
Hindered phenyl phosphites Grant 4,207,229 - Spivack June 10, 1	1980-06-10
Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized compositions Grant 4,196,117 - Spivack April 1, 1	1980-04-01
Cyclic phosphonite stabilizers Grant 4,185,006 - Rasberger , et al. January 22, 1	1980-01-22
Hindered phenyl phosphites Grant 4,182,704 - Spivack January 8, 1	1980-01-08
Hindered phenyl phosphites Grant 4,180,498 - Spivack December 25, 1	1979-12-25
Alkylated 1,1'-biphenyl-2,2'-diyl phosphonites and stabilized compositions Grant 4,143,028 - Spivack March 6, 1	1979-03-06
Hindered phenyl phosphites Grant 4,094,855 - Spivack June 13, 1	1978-06-13
Hindered phenolic cyclic phosphonates and stabilized compositions Grant 4,093,588 - Spivack , et al. June 6, 1	1978-06-06
Metal salts of N,N-disubstituted .beta.-alanines and stabilized compositions Grant 4,077,941 - Stephen , et al. March 7, 1	1978-03-07
2,3,5-Trialkyl-4-hydroxybenzylphosphonates and phosphinates Grant 4,069,200 - Spivack January 17, 1	1978-01-17
3,5-Dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene glycols Grant 4,032,562 - Dexter , et al. June 28, 1	1977-06-28
Esters of trisubstituted hydroxyphenylalkanoic acids Grant 3,984,460 - Spivack October 5, 1	1976-10-05
2,3,5-Trialkyl-4-hydroxybenzylphosphonates and phosphinates Grant 3,962,377 - Spivack June 8, 1	1976-06-08
Polyalkylene glycol esters of hindered phenols substituted alkanoic acid Grant 3,944,594 - Kleiner , et al. * March 16, 1	1976-03-16
Light stabilized polymer compositions Grant 3,935,163 - Spivack , et al. January 27, 1	1976-01-27
3,5-dialkyl-4-hydroxyphenylalkanoic Acid Esters Antioxidants Grant 3,839,278 - Dexter , et al. October 1, 1	1974-10-01
Metal Derivatives Of 3,5-di-t-butyl-4-hydroxyphenyl Propionic Acid Grant 3,723,489 - Dexter , et al. March 27, 1	1973-03-27

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