Patent assignee · US · COMPANY

ELEMENTIS SPECIALTIES, INC.

53Patents
39Active
53Granted
50Portfolio score

Filing activity: Mar 24, 1999 → Apr 30, 2024 · 9 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6521690B1 Smectite clay/organic chemical/polymer compositions useful as nanocomposites Chemistry; Metallurgy 43 Expired
US7799742B2 Equivalent circulating density control in deep water drilling Emerging Cross-Sectional Technologies 42 Active
US6339048B1 Oil and oil invert emulsion drilling fluids with improved anti-settling properties Electricity 41 Expired
US6462096B1 Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties containing said additives Emerging Cross-Sectional Technologies 39 Expired
US6610770B1 Organoclay/polymer compositions with flame retardant properties Chemistry; Metallurgy 20 Expired
US7345010B2 Compositions for drilling fluids useful to provide flat temperature rheology to such fluids over a wide temperature range and drilling fluids containing such compositions Chemistry; Metallurgy 20 Expired
US6794437B2 Clay/organic chemical compositions useful as additives to polymer, plastic and resin matrices to produce nanocomposites and nonocomposites containing such compositions Chemistry; Metallurgy 16 Expired
US6245827A Ultraviolet curable resin compositions having enhanced shadow cure properties Physics 14 Expired
US6210709A Flexible gelatin free encapsulation material useful for pharmaceuticals, paint balls and other formulations Human Necessities 12 Expired
US6337362B1 Ultraviolet resistant pre-mix compositions and articles using such compositions Chemistry; Metallurgy 12 Expired
US8389447B2 Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties Chemistry; Metallurgy 9 Active
US7906461B2 Thermally stable compositions and use thereof in drilling fluids Chemistry; Metallurgy 8 Active
US8153707B2 VOC-free coalescing agent Chemistry; Metallurgy 7 Active
US7989402B2 Functionalized clay compositions for aqueous based drilling fluids Chemistry; Metallurgy 6 Active
US6409811B1 Anti-abrasion ink additives containing reduced amounts of polytetrafluoroethylene and inks containing such additives Chemistry; Metallurgy 6 Expired
US7956015B2 Equivalent circulating density control in deep water drilling Emerging Cross-Sectional Technologies 5 Active
US6448366B1 Rheological additives and paint and coating compositions containing such additives exhibiting improved intercoat adhesion Chemistry; Metallurgy 5 Expired
US7837776B2 Compositions useful to provide improved rheology and mist control to ink formulations and ink formulations containing such compositions Chemistry; Metallurgy 4 Active
US8691903B2 VOC-free coalescing agent Chemistry; Metallurgy 3 Active
US8138125B2 Equivalent circulating density control in deep water drilling Emerging Cross-Sectional Technologies 3 Active
US10662365B2 Oil based drilling fluids useful having reduced change in high shear viscosity over a wide temperature range Chemistry; Metallurgy 2 Active
US8809240B2 Equivalent circulating density control in deep water drilling Emerging Cross-Sectional Technologies 2 Active
USRE41588E1 Rheological additives and paint and coating compositions containing such additives exhibiting improved intercoat adhesion General 2 Expired
US10799443B2 Crosslinkable coating compositions formulated with dormant carbamate initiator Human Necessities 1 Active
US11998514B2 Cannabidiol and active delivery systems Human Necessities 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.