Inventor · disambiguated record
Howard Johnston
Also filed as: JOHNSTON HOWARD · JOHNSTON HOWARD R
26 granted patents·473 citations·filing 1973–1998
96Inventor score
Top patents by PatentIndex Score
26 records- 0195US4390904AAutomatic circuit and method for editing commercial messages from television signalsSHELTON VIDEO EDITORS INC·Filed 1979·Granted Jun 28, 1983·240 cites·15 claims
- 0294US4565568APyridyl(oxy/thio)phenoxy compounds, herbicidal compositions and methodsDOW CHEMICAL CO·Filed 1983·Granted Jan 21, 1986·40 cites·12 claims
- 0393US4003734ASubstituted pyridinyloxy(thio)phenyl-acetamides, -ureas and urea derivatives and herbicidal compositions and methods containing said compoundsDOW CHEMICAL CO·Filed 1975·Granted Jan 18, 1977·28 cites·52 claims
- 0492US4063928AComposition and method of controlling undesired plant growth with substituted pyridinyloxy(thio)phenyl -acetamides, -ureas and urea derivativesDOW CHEMICAL CO·Filed 1975·Granted Dec 20, 1977·21 cites·9 claims
- 0589US3931201ASubstituted pyridinyloxy(thio)phenyl -acetamides, -ureas and urea derivativesDOW CHEMICAL CO·Filed 1974·Granted Jan 6, 1976·16 cites·14 claims
- 0685US4236912AQuinolinyloxyphenoxy and quinolyinylthiophenoxy alkanoic acids and derivatives thereof and methods of herbicidal useDOW CHEMICAL CO·Filed 1979·Granted Dec 2, 1980·16 cites·34 claims
- 0785US4030910ASubstituted pyridinyloxy(thio)phenyl -acetamides, -ureas and urea derivatives, herbicidal compositions and methods containing sameDOW CHEMICAL CO·Filed 1975·Granted Jun 21, 1977·13 cites·33 claims
- 0880US4003733ASubstituted pyridinyloxy(thio)phenyl -acetamides, -ureas and urea derivativesDOW CHEMICAL CO·Filed 1975·Granted Jan 18, 1977·10 cites·25 claims
- 0977US3962265AH'-(4-((6-chloro-2-pyridinyl)oxy)phenyl)-n-methyl-n-(1-methyl-2-propynyl)ureaDOW CHEMICAL CO·Filed 1975·Granted Jun 8, 1976·8 cites·1 claims
- 1075US4851539A2,3-Difluoropyridine and 3-fluoro-2-pyridinyloxyphenol compoundsDOW CHEMICAL CO·Filed 1985·Granted Jul 25, 1989·11 cites·3 claims
- 1175US3947437ASubstituted pyridazinyloxy(thio)phenyl ureas and derivatives thereofDOW CHEMICAL CO·Filed 1974·Granted Mar 30, 1976·8 cites·1 claims
- 1272US4330321ACompounds and method for selectively controlling grassy weeds in broadleaved cropsDOW CHEMICAL CO·Filed 1981·Granted May 18, 1982·7 cites·9 claims
- 1370US4753673ATrifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanoic acids and propanols and derivatives thereof and methods of herbicidal useDOW CHEMICAL CO·Filed 1978·Granted Jun 28, 1988·6 cites·84 claims
- 1468US4491468AHerbicidal trifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanenitriles and derivatives thereofDOW CHEMICAL CO·Filed 1982·Granted Jan 1, 1985·6 cites·14 claims
- 1568US3940392ACertain pyrazinyloxyphenyl urea compoundDOW CHEMICAL CO·Filed 1974·Granted Feb 24, 1976·6 cites·1 claims
- 1663US4479001ATrifluoromethyl pyridinylthiophenoxy propanoic acids and propanols and derivatives thereofDOW CHEMICAL CO·Filed 1983·Granted Oct 23, 1984·5 cites·5 claims
- 1758US3948910AAminohalopyridine-N-oxidesDOW CHEMICAL CO·Filed 1973·Granted Apr 6, 1976·4 cites·14 claims
- 1854US4523017APreparation of trifluoromethyl pyridinyloxyphenoxy propanoic acids and propanols and derivatives thereofDOW CHEMICAL CO·Filed 1983·Granted Jun 11, 1985·3 cites·9 claims
- 1954US4180395A6-Fluoro-3,5-dihalo-2-pyridyloxy compoundsDOW CHEMICAL CO·Filed 1977·Granted Dec 25, 1979·3 cites·43 claims
- 2051US4678509ACertain pyridyloxy or thio-phenoxy-propanoic acids or salts thereof useful as herbicidesDOW CHEMICAL CO·Filed 1985·Granted Jul 7, 1987·3 cites·2 claims
- 2151US4001234ASubstituted pyrimidinyloxy(thio)phenyl ureas and derivatives thereofDOW CHEMICAL CO·Filed 1974·Granted Jan 4, 1977·3 cites·16 claims
- 2246US6475341B1Process for making paperCIBA SPEC CHEM WATER TREAT LTD·Filed 1998·Granted Nov 5, 2002·11 cites·9 claims
- 2346US4628099ATrifluoromethyl pyridinyloxyphenoxy propanoic acid chloridesDOW CHEMICAL CO·Filed 1985·Granted Dec 9, 1986·2 cites·2 claims
- 2445US4066438ASubstituted aminodi- or trihalopyridines and method of useDOW CHEMICAL CO·Filed 1976·Granted Jan 3, 1978·2 cites·21 claims
- 2543US4551170AHerbicidal trifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanols and derivatives thereofDOW CHEMICAL CO·Filed 1984·Granted Nov 5, 1985·1 cites·12 claims
- 2634US4360524AEthers of 6-halo-4-halomethylpyridines and their fungicidal compositions and useDOW CHEMICAL CO·Filed 1981·Granted Nov 23, 1982·0 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →