Inventor · disambiguated record
William A. Kleschick
Also filed as: KLESCHICK WILLIAM A
37 granted patents·647 citations·filing 1982–1998
98Inventor score
Top patents by PatentIndex Score
37 records- 0197US5163995AHerbicidal alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamidesDOWELANCO·Filed 1991·Granted Nov 17, 1992·104 cites·73 claims
- 0296US5858924AN-( 1, 2, 4! triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicidesDOW AGROSCIENCES LLC·Filed 1997·Granted Jan 12, 1999·87 cites·34 claims
- 0392US5571775AN-aryl[1,2,4]triazolo[1,5-a]pyridine-2-sulfonamide herbicidesDOWELANCO·Filed 1995·Granted Nov 5, 1996·71 cites·57 claims
- 0489US4818273ASubstituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides, compositions containing them, and their utility as herbicidesDOW CHEMICAL CO·Filed 1986·Granted Apr 4, 1989·28 cites·132 claims
- 0587US4997940APyrazolo[1,5-a]pyrimidine-2-sulfonyl chloride and -2-sulfide compoundsDOW CHEMICAL CO·Filed 1988·Granted Mar 5, 1991·39 cites·4 claims
- 0686US4822404ASulfonamides derived from substituted 2-amino-1,2,4-triazolo (1,5-a) pyrimidines and compositions and methods of controlling undesired vegetationDOW CHEMICAL CO·Filed 1987·Granted Apr 18, 1989·21 cites·9 claims
- 0780US4992091ASubstituted pyrazolo[1,5-a]pyrimidine-2-sulfonamides and compositions and methods of controlling undesired vegetationDOW CHEMICAL CO·Filed 1986·Granted Feb 12, 1991·30 cites·12 claims
- 0880US4638075AHerbicidal sulfonamidesDOW CHEMICAL CO·Filed 1985·Granted Jan 20, 1987·15 cites·1 claims
- 0980US4605433A1,2,4-triazolo[1,5-a]-1,3,5-triazine-2-sulfonamides and compositions and methods of controlling undesired vegetationDOW CHEMICAL CO·Filed 1985·Granted Aug 12, 1986·22 cites·25 claims
- 1078US5201938AN-pyrazolyl-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamide herbicidesDOWELANCO·Filed 1991·Granted Apr 13, 1993·19 cites·40 claims
- 1178US4479005ASelective preparation of isomers and enantiomers of cyclopropane carboxylic acidsDOW CHEMICAL CO·Filed 1982·Granted Oct 23, 1984·10 cites·20 claims
- 1277US5010195AHerbicidal alkoxy-1,2,4-triazolo(1,5-c)primidine-2-sulfonamidesDOW CHEMICAL CO·Filed 1989·Granted Apr 23, 1991·15 cites·7 claims
- 1375US4650892AProcess for the preparation of herbicidal sulfonamidesDOW CHEMICAL CO·Filed 1985·Granted Mar 17, 1987·11 cites·5 claims
- 1474US5021591APyrazolo[1,5-a]pyrimidine-2-sulfide compoundsDOW CHEMICAL CO·Filed 1990·Granted Jun 4, 1991·24 cites·4 claims
- 1574US4532328AProcess for making optically active esters of phenoxyphenoxypropionic acids or pyridyloxyphenoxypropionic acidsDOW CHEMICAL CO·Filed 1983·Granted Jul 30, 1985·8 cites·6 claims
- 1672US4874421AHerbicidal method with improved crop toleranceDOW CHEMICAL CO·Filed 1988·Granted Oct 17, 1989·15 cites·9 claims
- 1772US4685958ASulfonamides derived from substituted 2-amino-1,2,4-triazolo[1,5-a]-1,3,5-triazines and compositions and methods of controlling undesired vegetationDOW CHEMICAL CO·Filed 1986·Granted Aug 11, 1987·15 cites·11 claims
- 1871US5965490AN-([1,2,4]triazoloazinyl)benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicidesDOW AGROSCIENCES LLC·Filed 1998·Granted Oct 12, 1999·12 cites·34 claims
- 1967US6005108AN-([1,2,4]triazoloazinyl)benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicidesFiled 1998·Granted Dec 21, 1999·7 cites·4 claims
- 2065US4740233ASubstituted 1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamides and compositions and methods of controlling undesired vegetation and suppressing the nitrification of ammonium nitrogen in soilDOW CHEMICAL CO·Filed 1986·Granted Apr 26, 1988·20 cites·8 claims
- 2164US4904301A5-Fluoromethyl-1,2,4-triazolo(1,5-A)-pyrimidinesDOW CHEMICAL CO·Filed 1988·Granted Feb 27, 1990·8 cites·7 claims
- 2263US5763359AN-(1-ethyl-4-pyrazolyl)triazoloazinesulfonamide herbicidesDOW AGROSCIENCES LLC·Filed 1996·Granted Jun 9, 1998·9 cites·29 claims
- 2360US4731446AImidazo[1,2-a]pyrimidine sulfonic acids and acid halidesDOW CHEMICAL CO·Filed 1987·Granted Mar 15, 1988·6 cites·13 claims
- 2459US4983772A2,6-disubstituted anilinesDOW CHEMICAL CO·Filed 1989·Granted Jan 8, 1991·4 cites·2 claims
- 2557US4755212ANovel substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides and compositions and method for inhibiting pollen formation in cornDOW CHEMICAL CO·Filed 1986·Granted Jul 5, 1988·15 cites·4 claims
- 2655US5461161AN-pyridinyl[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide herbicidesDOWELANCO·Filed 1994·Granted Oct 24, 1995·4 cites·3 claims
- 2755US4886883ASubstituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonyl chloridesDOW CHEMICAL CO·Filed 1988·Granted Dec 12, 1989·5 cites·7 claims
- 2855US4772720AProcess for the preparation of intermediates useful for making herbicidal sulfonamides derived from substituted 2-amino-1,2,4-triazolo(1,5-A)pyrimidinesDOW CHEMICAL CO·Filed 1986·Granted Sep 20, 1988·4 cites·4 claims
- 2950US5447905AN-indazolyl[1,2,4]triazolo[1,5-C]pyrimidine-2-sulfonamide herbicidesDOWELANCO·Filed 1994·Granted Sep 5, 1995·3 cites·21 claims
- 3047US4979981A5-fluoromethyl-1,2,4-triazolo[1,5,-a]-pyrimidine-2-sulfonamidesDOW CHEMICAL CO·Filed 1989·Granted Dec 25, 1990·3 cites·32 claims
- 3147US4799952AHerbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilidesDOW CHEMICAL CO·Filed 1987·Granted Jan 24, 1989·4 cites·53 claims
- 3243US4515956ASelective preparation of isomers and enantiomers of cyclopropane carboxylic acidsDOW CHEMICAL CO·Filed 1984·Granted May 7, 1985·1 cites·17 claims
- 3342US4959473A7-ethoxy-5-fluoromethyl-1,2,4-triazole[1,5-a]-pyrimidine-2-sulfonamindesDOW CHEMICAL CO·Filed 1988·Granted Sep 25, 1990·1 cites·3 claims
- 3438US5700940AN-aryl 1,2,4!triazolo 1,5-a!pyridine-2-sulfonamide herbicidesDOWELANCO·Filed 1996·Granted Dec 23, 1997·1 cites·15 claims
- 3535US5015286A7-ethoxy-5-fluoromethyl-1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamidesDOW CHEMICAL CO·Filed 1990·Granted May 14, 1991·1 cites·19 claims
- 3635US4741764ASubstituted 1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamides and compositions and methods of controlling undesired vegetation and inhibiting sugar beet boltingDOW CHEMICAL CO·Filed 1986·Granted May 3, 1988·4 cites·4 claims
- 3733US5614469AN-pyridinyl[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide herbicidesDOWELANCO·Filed 1995·Granted Mar 25, 1997·1 cites·35 claims
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