Inventor · disambiguated record
John Tomko
Also filed as: TOMKO JOHN · TOMKO JOHN F
13 granted patents·3 pending applications·72 citations·filing 1984–2020
90Inventor score
Top patents by PatentIndex Score
16 records- 0182US4950757AProcess for manufacture of melamine pyrophosphateAKZO AMERICA INC·Filed 1989·Granted Aug 21, 1990·16 cites·10 claims
- 0273US4736052APurification of diaryl alkylphosphonate reaction mixtureSTAUFFER CHEMICAL CO·Filed 1987·Granted Apr 5, 1988·14 cites·6 claims
- 0362US4595400AHerbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acidSTAUFFER CHEMICAL CO·Filed 1984·Granted Jun 17, 1986·4 cites·13 claims
- 0461US4822916APreparation of diaryl sulfonesAKZO AMERICA INC·Filed 1987·Granted Apr 18, 1989·8 cites·6 claims
- 0557US4596598AHerbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acidSTAUFFER CHEMICAL CO·Filed 1984·Granted Jun 24, 1986·3 cites·14 claims
- 0656US5186733AArylphosphonodiamide compounds and herbicidal compositions thereofICI PLC·Filed 1991·Granted Feb 16, 1993·7 cites·26 claims
- 0756US4952646AEpoxy resin compositions containing a polyphosphoric/polyphosphonic anhydride curing agentAKZO AMERICA INC·Filed 1989·Granted Aug 28, 1990·9 cites·8 claims
- 0851US5391816AFormation of 1-phenylvinyl-1-phosphonic acidAKZO NOBEL NV·Filed 1993·Granted Feb 21, 1995·5 cites·7 claims
- 0950US2017221080A1Brand AnalysisADTRAK360·Filed 2017·Application pending·0 cites
- 1049US7759522B2Process for purification of phosphate estersSUPRESTA LLC·Filed 2002·Granted Jul 20, 2010·1 cites·6 claims
- 1147US2013085803A1Brand analysisMAURO JOSEPH L·Filed 2011·Application pending·0 cites
- 1243US2023056634A1Systems and methods of automating fire suppressant system designVIKING GROUP INC·Filed 2020·Application pending·0 cites
- 1342US4910240AThermally stable diphosphonate-type flame retardant additive for plasticsAKZO AMERICA INC·Filed 1987·Granted Mar 20, 1990·5 cites·15 claims
- 1431US5783730AFormation of styrene phosphonic acidAKZO NOBEL NV·Filed 1997·Granted Jul 21, 1998·0 cites·7 claims
- 1530US6630539B1Neopentylene 1-phenylvinyl phosphonateAKZO NOBEL NV·Filed 1995·Granted Oct 7, 2003·0 cites·1 claims
- 1626US6429329B1Synthesis of a hydrocarbylvinylphosphonic acid hydrocarbyl esterAKZO NOBEL NV·Filed 1996·Granted Aug 6, 2002·0 cites·25 claims
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