Inventor · Freyming-Merlebach, FR

Denis Laurent

8Patents
4h-index
7Co-inventors
50Inventor score

Filing activity: Nov 26, 1986 → Sep 14, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5705688A Process for the purification of acrylic acid obtained by catalytic oxidation of propylene Emerging Cross-Sectional Technologies 18 Expired
US4859796A Reacting a (meth)acrylic anhydride with a diamine to form a n-dialkylaminoalkyl(meth)acrylamide Chemistry; Metallurgy 14 Expired
US4857239A Process for the synthesis of (math)acrylic anhydrides Chemistry; Metallurgy 8 Expired
US6281386A Purification of acrylic acid obtained by catalytic oxidation of propylene Chemistry; Metallurgy 8 Expired
US7622607B2 Method for purifying (meth)acrylic acid obtained by oxidizing a gaseous substrate Chemistry; Metallurgy 4 Expired
US8336394B2 Device for measuring the flow rate of a fluid flowing in a pipe Physics 4 Active
US8748545B2 Process for producing bio-resourced polymer-grade acrylic acid from glycerol Chemistry; Metallurgy 2 Active
US6995282B1 Method for purifying acrylic acid obtained by oxidation of propylene and/or acrolein Emerging Cross-Sectional Technologies 2 Expired

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