Inventor · Boulder, CO, US

Alan J. Russell

44Patents
13h-index
52Co-inventors
84Inventor score

Filing activity: Mar 29, 1993 → Sep 1, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6291200A Enzyme-containing polymeric sensors Physics 227 Expired
US6905733B2 Irreversible immobilization of enzymes into polyurethane coatings Chemistry; Metallurgy 153 Expired
US6638749B1 Carbon dioxide soluble surfactant having two fluoroether CO2-philic tail groups and a head group Emerging Cross-Sectional Technologies 134 Expired
US7763097B2 Devices, systems and methods for reducing the concentration of a chemical entity in fluids Emerging Cross-Sectional Technologies 58 Active
US5641887A Extraction of metals in carbon dioxide and chelating agents therefor Emerging Cross-Sectional Technologies 45 Expired
US5872257A Further extractions of metals in carbon dioxide and chelating agents therefor Emerging Cross-Sectional Technologies 39 Expired
US6759220B1 Enzyme-containing polyurethanes Chemistry; Metallurgy 37 Expired
US5482996A Protein-containing polymers and a method of synthesis of protein-containing polymers in organic solvents Chemistry; Metallurgy 36 Expired
US7335400B2 Irreversible immobilization of enzymes into polyurethane coatings Chemistry; Metallurgy 33 Expired
US8349410B2 Modification of surfaces with polymers Chemistry; Metallurgy 21 Active
US5478910A Process for the production of polyesters using enzymes and supercritical fluids Emerging Cross-Sectional Technologies 16 Expired
US5990193A Polymers for reversible photoinduced sol gel transitions Physics 15 Expired
US8227603B2 Modulating skeletal muscle Chemistry; Metallurgy 13 Active
US8871831B2 Modification of surfaces with polymers Chemistry; Metallurgy 10 Active
US5510247A Centrifugal multiphase systems and method for using the same Emerging Cross-Sectional Technologies 10 Expired
US11091464B2 Pyridazinone compounds and uses thereof Chemistry; Metallurgy 9 Active
US6642037B2 Preparation of enzymatically active sponges or foams for detoxification of hazardous compounds Chemistry; Metallurgy 9 Expired
US7598248B2 Certain 1H-imidazo[4,5-b]pyrazin-2(3H)-ones and 1H-imidazo[4,5-b]pyrazin-2-ols, compositions thereof, and methods for their use Human Necessities 8 Active
US5977252A Covalent modification of surfaces with polymers to increase biocompatibility Human Necessities 6 Expired
US11236065B2 Pyridazinone compounds and uses thereof Chemistry; Metallurgy 6 Active
US6406876B1 Immobilized enzymes biosensors for chemical toxins Emerging Cross-Sectional Technologies 6 Expired
US7956056B2 Certain 1H-imidazo[4,5-B]pyrazin-2(3H)-ones and 1H-imidazo[4,5-B]pyrazin-2-ols, compositions thereof, and methods for their use Human Necessities 6 Active
US11390606B2 Pyridazinone compounds and uses thereof Chemistry; Metallurgy 6 Active
US6174645A Polymer for reversible photoinduced sol gel transitions Physics 5 Expired
US8293761B2 Certain chemical entities, compositions and methods Human Necessities 4 Active

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