Inventor · disambiguated record
David A. Roberts
Also filed as: ROBERTS DAVID A · ROBERTS DAVID ALAN
16 granted patents·351 citations·filing 1982–1999
94Inventor score
Top patents by PatentIndex Score
16 records- 0192US5916618ADerivatives of N-phenylpyrazolesRHONE POULENC AGRICULTURE·Filed 1997·Granted Jun 29, 1999·51 cites·10 claims
- 0292US4963575ADerivatives of N-phenylpyrazoles, compositions and useMAY & BAKER LTD·Filed 1989·Granted Oct 16, 1990·39 cites·9 claims
- 0390US5714191ADerivatives of N-phenylpyrazolesRHONE POULENC AGRICULTURE·Filed 1995·Granted Feb 3, 1998·44 cites·29 claims
- 0489US5656573AHerbicidal 4-substituted isoxazolesRHONE POULENC AGRICULTURE·Filed 1995·Granted Aug 12, 1997·48 cites·127 claims
- 0588US4496390AN-Phenylpyrazole derivativesMAY & BAKER LTD·Filed 1982·Granted Jan 29, 1985·20 cites·30 claims
- 0688US4459150A5-Acylamino-4-cyano-1-phenylpyrazole derivatives and use as herbicidesMAY & BAKER LTD·Filed 1982·Granted Jul 10, 1984·20 cites·42 claims
- 0785US5747424AHerbicidal 4-substituted isoxazolRHONE POULENC AGRICULTURE·Filed 1997·Granted May 5, 1998·28 cites·14 claims
- 0879US6372774B1Derivatives of N-phenylpyrazolesRHONE POULENC AGRICULTURE·Filed 1999·Granted Apr 16, 2002·26 cites·39 claims
- 0978US5650533AIntermediates to herbicidal 4-substituted isoxazolesRHONE POULENC AGRICULTURE·Filed 1995·Granted Jul 22, 1997·22 cites·19 claims
- 1075US4629495AHerbicidal 5-amino-4-cyano-1-phenylpyrazolesMAY & BAKER LTD·Filed 1983·Granted Dec 16, 1986·9 cites·25 claims
- 1169US4505740AHerbicidal 5-amino-4-cyano-1-phenyl-pyrazolesMAY & BAKER LTD·Filed 1982·Granted Mar 19, 1985·7 cites·43 claims
- 1263US5104994AN-phenylpyrazole derivativesRHONE POULENC AGRICULTURE·Filed 1990·Granted Apr 14, 1992·20 cites·7 claims
- 1361US5177100AN-phenylpyrazole derivativesRHONE POULENC AGRICULTURE·Filed 1992·Granted Jan 5, 1993·8 cites·26 claims
- 1458US5055482AN-phenylpyrazol-4-yl ether derivativesMAY & BAKER LTD·Filed 1989·Granted Oct 8, 1991·7 cites·9 claims
- 1542US4541963A4-Trifluoromethylphenylhydrazinomethylene-malononitrilesMAY & BAKER LTD·Filed 1984·Granted Sep 17, 1985·1 cites·1 claims
- 1636US6133432AProcesses for preparing pesticidal intermediatesRHONE POULENC AGROCHIMIE·Filed 1997·Granted Oct 17, 2000·1 cites·38 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →