Inventor · Écully, FR

Jean-Bernard Egraz

32Patents
13h-index
23Co-inventors
81Inventor score

Filing activity: Feb 22, 1979 → Jul 24, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5015711A Thickening agent which modifies the rheological characteristics of charged and/or pigmented, white or colored aqueous compositions Chemistry; Metallurgy 48 Expired
US5294693A Acrylic copolymer which is water-soluble or moderately water-soluble and may be crosslinked; and its use Chemistry; Metallurgy 39 Expired
US5954967A Method of producing milling adjuvants and/or dispersive agents, by physicochemical separation; adjuvants and agents thus obtained; and uses of same Chemistry; Metallurgy 39 Expired
US5362415A Acrylic copolymer which is water-soluble or moderately water-soluble and may be crosslinked; and its use Chemistry; Metallurgy 36 Expired
US5891972A Method of manufacturing water-soluble polymers, polymers manufactured thereby, and uses of said polymers Chemistry; Metallurgy 26 Expired
US5278248A Water-soluble polymers and/or copolymers possessing increased biodegradability, and their applications Chemistry; Metallurgy 21 Expired
US5066710A Thickening agent which modifies the rheological characteristics of charged and/or pigmented, white or colored aqueous compositions Chemistry; Metallurgy 20 Expired
US6063884A Method of manufacturing water-soluble polymers, polymers manufactured thereby, and uses of said polymers Chemistry; Metallurgy 17 Expired
US6184321A Method of manufacturing water-soluble polymers, polymers manufactured thereby, and uses of said polymers Chemistry; Metallurgy 17 Expired
US6093764A Use of a copolymer with a surface-active structure as a dispersing and/or crushing aid Chemistry; Metallurgy 15 Expired
US4282140A Acrylic cement applicable in bone surgery and in stomatology Human Necessities 14 Expired
US5432239A A process for using grinding and/or dispersing agent containing polymers and/or copolymers partiallly neutralized by magnesium for aqueous suspensions of mineral substances, to be used in pigmentary applications Chemistry; Metallurgy 13 Expired
US4482606A Isodiametrical microcapsules with regularized diameters and process for producing same Emerging Cross-Sectional Technologies 13 Expired
US4782120A Non-polluting thinning adjuvant for sea-water and/or fresh water based drilling muds Chemistry; Metallurgy 11 Expired
US5432238A Grinding and/or dispersing agent containing polymers and/or copolymers partially neutralized by magnesium for aqueous suspensions of mineral substances, to be used in pigmentary applications Chemistry; Metallurgy 10 Expired
US5736601A Grinding and/or dispersing agent containing polymers and/or copolymers partially neutralized by magnesium for aqueous suspensions of mineral substances, to be used in pigmentary applications Chemistry; Metallurgy 10 Expired
US5464895A Organophosphate dispersing agent, filled thermosetting composition containing same, and application thereof Chemistry; Metallurgy 6 Expired
US5412139A Organophosphate dispersing agent, filled thermosetting composition containing same, and application thereof Chemistry; Metallurgy 6 Expired
US7462676B2 Method for the controlled radical polymerisation of acrylic acid and the salts thereof, polymers thus obtained and applications thereof Chemistry; Metallurgy 5 Expired
US5973203A Process for preparation of acrylic or methacrylic acid amides Emerging Cross-Sectional Technologies 5 Expired
US5961836A Method of producing milling adjuvants and/or dispersive agents, by physicochemical separation; adjuvants and agents thus obtained; and uses of same Chemistry; Metallurgy 4 Expired
US6297317A Water-retaining and optical-brightner-activating polymer composition, paper coating colors and sheets of coated paper thus obtained Emerging Cross-Sectional Technologies 3 Expired
US7345121B2 Method of controlled free radical polymerisation of acrylic acid and its salts thereof, resulting low-polydispersity polymers, and their uses Chemistry; Metallurgy 3 Expired
US5423999A Stable aqueous suspensions of zeolites, methods of producing same, and use of the suspensions Chemistry; Metallurgy 3 Expired
US5569702A Grinding and/or dispersing agent containing polymers and/or copolymers partially neutralized by magnesium for aqueous suspensions of mineral substances, to be used in pigmentary applications Chemistry; Metallurgy 2 Expired

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