Inventor · Grafton, GB

Christopher John Mathews

44Patents
6h-index
84Co-inventors
72Inventor score

Filing activity: Feb 7, 1991 → Nov 1, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5444038A Arylindazoles and their use as herbicides Chemistry; Metallurgy 24 Expired
US8084649B2 Herbicides Chemistry; Metallurgy 16 Active
US6544989B2 Benzazoles: benzoxazole, benzthiazole and benzimidazole derivatives Human Necessities 14 Expired
US10654804B2 Substituted cyclic amides and their use as herbicides Chemistry; Metallurgy 6 Active
US6046136A Herbicidal heterocyclic N-oxides compounds Chemistry; Metallurgy 6 Expired
US9049864B2 Pyridazinone herbicidal compounds Chemistry; Metallurgy 6 Active
US8680339B2 Herbicides Chemistry; Metallurgy 4 Active
US5451566A Herbicidal pyrrolopyridine compounds Human Necessities 4 Expired
US5928998A Arylindazoles and their use as herbicides Chemistry; Metallurgy 2 Expired
US8530388B2 Cyclopentadione derived herbicides Chemistry; Metallurgy 2 Active
US5176737A Benzisoxazole compounds useful as herbicides Chemistry; Metallurgy 2 Expired
US8735322B2 Herbicides Chemistry; Metallurgy 2 Active
US9096560B2 5-heterocyclylalkyl-3-hydroxy-2-phenylcyclopent-2-enones as herbicides Chemistry; Metallurgy 2 Active
US8530667B2 Herbicides Chemistry; Metallurgy 2 Active
US11180453B2 Substituted cyclic amides and their use as herbicides Chemistry; Metallurgy 2 Active
US8865623B2 Herbicidally active cyclic diones and derivatives thereof, processes for their preparation, compositions, and method of controlling weeds Chemistry; Metallurgy 1 Active
US7112553B1 Pesticidal indazole or benzotriazole derivatives Chemistry; Metallurgy 1 Expired
US8895761B2 4-phenylpyrane-3,5-diones, 4-phenylthiopyrane-3,5-diones and 2-phenylcyclohexane-1,3,5-triones as herbicides Chemistry; Metallurgy 1 Active
US9006429B2 Herbicidal pyrandione, thiopyrandione, and cyclohexanetrione derivatives Chemistry; Metallurgy 1 Active
US8895474B2 Herbicidally active cyclopentanediones and derivatives thereof, and their use in controlling weeds Chemistry; Metallurgy 1 Active
US8680012B2 4-phenyl-pyrane-3,5-diones,4-phenyl-thiopyrane-3,6-diones and cyclohexanetriones as novel herbicides Chemistry; Metallurgy 1 Active
US5698495A Herbicidal substituted pyrazole compounds Chemistry; Metallurgy 1 Expired
US8623907B2 Herbicides Chemistry; Metallurgy 1 Active
US5786302A Herbicidal method using substituted pyrazole compounds Chemistry; Metallurgy 1 Expired
US8536351B2 2-aryl-5-heterocyclyl-cyclohexane-1,3,dione compounds and their use as herbicides Chemistry; Metallurgy 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.