Inventor · disambiguated record
Jon A. Orvik
Also filed as: ORVIK JON A
22 granted patents·131 citations·filing 1974–1995
95Inventor score
Top patents by PatentIndex Score
22 records- 0185US4766219APreparation of 2-cyano-6-chloropyridine compoundsDOW CHEMICAL CO·Filed 1987·Granted Aug 23, 1988·22 cites·18 claims
- 0278US5106984A2-hydrocarbyl-3,6-dichloropyridines and their preparationDOW CHEMICAL CO·Filed 1987·Granted Apr 21, 1992·14 cites·18 claims
- 0378US4499276AReduction of trichloromethylpyridines to dichloromethylpyridinesDOW CHEMICAL CO·Filed 1983·Granted Feb 12, 1985·11 cites·7 claims
- 0473US4988812AAqueous process for the preparation of 5-methyl-n-(aryl)-1,2,4-triazolo(1,5-A)pyrimidine-2-sulfonamidesDOWELANCO·Filed 1989·Granted Jan 29, 1991·11 cites·9 claims
- 0570US4275212AMethod of preparing pyridinyloxyphenols and derivativesDOW CHEMICAL CO·Filed 1979·Granted Jun 23, 1981·6 cites·24 claims
- 0667US4327220AProcess for reducing picoline derivatives using copper catalystDOW CHEMICAL CO·Filed 1980·Granted Apr 27, 1982·6 cites·5 claims
- 0764US5012017APhenoxyphenoxypropionates, intermediates thereof and methods of preparationDOWELANCO·Filed 1989·Granted Apr 30, 1991·7 cites·9 claims
- 0864US4499277AReduction of trichloromethylpyridines to dichloromethylpyridinesDOW CHEMICAL CO·Filed 1983·Granted Feb 12, 1985·7 cites·8 claims
- 0961US4713460A2,3-bis-(poly)(chloromethyl)pyridinesDOW CHEMICAL CO·Filed 1986·Granted Dec 15, 1987·5 cites·25 claims
- 1056US5488109A5-alkoxy[1,2,4]triazolo[1,5-c]pyrimidine-2(3H)--thione compounds and their use in the preparation of and 2-chlorosulfonyl-5-alkoxy[1,2,4]triazolo[1,5-c]-pyrimidine compoundsDOWELANCO·Filed 1993·Granted Jan 30, 1996·6 cites·36 claims
- 1156US4594422ASelective halogenation of 6-hydroxy picoline derivativesDOW CHEMICAL CO·Filed 1985·Granted Jun 10, 1986·4 cites·8 claims
- 1255US4118373APreparation of urethane elastomers from epoxy resin, polyols and polyisocyanates using a catalyst composition of an organometal salt with either nitrogen or phosphorus compoundsDOW CHEMICAL CO·Filed 1977·Granted Oct 3, 1978·9 cites·3 claims
- 1351US5480991A2-Alkoxy-4-hydroazinopyrimidine compounds and their use in the preparation of 5-alkoxy-1,2,4-triazolo[4,3-c]pyrimidine-3(2H)-thione compoundsDOWELANCO·Filed 1993·Granted Jan 2, 1996·4 cites·23 claims
- 1450US4739070APreparation of substituted (dichloromethyl)pyridinesDOW CHEMICAL CO·Filed 1986·Granted Apr 19, 1988·3 cites·16 claims
- 1545US5552546AProcess for the preparation of 2-ethoxy-4,6-dihydroxypyrimidineDOWELANCO·Filed 1994·Granted Sep 3, 1996·3 cites·20 claims
- 1645US4140847APolymers of oxetane-spiro-cyclic polyethersDOW CHEMICAL CO·Filed 1974·Granted Feb 20, 1979·5 cites·22 claims
- 1739US5461153A2-alkoxy-4-hydrazinopyrimidine compoundsDOWELANCO·Filed 1993·Granted Oct 24, 1995·1 cites·5 claims
- 1839US4705859APolychloropyridine production from polychloro-2,3-lutidinesDOW CHEMICAL CO·Filed 1986·Granted Nov 10, 1987·1 cites·31 claims
- 1937US5189210AProcess for the preparation of 3- and/or 5-substituted anthranilic acidsDOWELANCO·Filed 1992·Granted Feb 23, 1993·1 cites·6 claims
- 2037US4257899AMethod for removing chloropicrin from an aqueous mediumDOW CHEMICAL CO·Filed 1979·Granted Mar 24, 1981·4 cites·4 claims
- 2136US5563269A2-alkoxy-4-hydrazinopyrimidine compounds and their use in the preparation of 5-alkoxy-1,2,4-triazolo(4,3-C)-pyrimidine-3 (2H)-thione compoundsDOWELANCO·Filed 1995·Granted Oct 8, 1996·1 cites·15 claims
- 2232US5084576A2-hydrocarbyl-3,6-dichloropyridine compoundsDOW CHEMICAL CO·Filed 1990·Granted Jan 28, 1992·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →