Inventor · Durham, NC, US

Sandra Volrath

15Patents
10h-index
17Co-inventors
65Inventor score

Filing activity: Apr 29, 1994 → Jan 23, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6177245A Manipulation of protoporphyrinogen oxidase enzyme activity in eukaryotic organisms Chemistry; Metallurgy 228 Expired
US5767373A Manipulation of protoporphyrinogen oxidase enzyme activity in eukaryotic organisms Chemistry; Metallurgy 201 Expired
US6084155A "Herbicide-tolerant protoporphyrinogen oxidase (""protox"") genes" Chemistry; Metallurgy 136 Expired
US5939602A DNA molecules encoding plant protoporphyrinogen oxidase and inhibitor-resistant mutants thereof Chemistry; Metallurgy 98 Expired
US6282837A Methods of controlling the growth of undesired vegetation with herbicide tolerant plants or plant seeds having altered protoporphyrinogen oxidase activity Chemistry; Metallurgy 89 Expired
US6288306A Methods of selecting plants, plant tissue or plant cells resistant to a protoporphyrinogen oxidase inhibitor Chemistry; Metallurgy 86 Expired
US6308458A Herbicide-tolerant plants and methods of controlling the growth of undesired vegetation Chemistry; Metallurgy 17 Expired
US6018105A Promoters from plant protoporphyrinogen oxidase genes Chemistry; Metallurgy 15 Expired
US6808904B2 Herbicide-tolerant protox genes produced by DNA shuffling Chemistry; Metallurgy 12 Expired
US5541310A Herbicide resistant plants Chemistry; Metallurgy 11 Expired
US6307129A Herbicide tolerant plants, plant tissue or plant cells having altered protoporphyrinogen oxidase activity Chemistry; Metallurgy 9 Expired
US6023012A DNA molecules encoding plant protoporphyrinogen oxidase Chemistry; Metallurgy 8 Expired
US8404934B2 Genes encoding nematode toxins Emerging Cross-Sectional Technologies 0 Active
US9243259B2 Genes encoding nematode toxins Emerging Cross-Sectional Technologies 0 Active
US7432350B2 Recombinant biotin carboxylase domains for identification of Acetyle CoA carboxylase inhibitors Chemistry; Metallurgy 0 Expired

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