Inventor · Mount Lebanon, PA, US

Douglas A. Wicks

47Patents
12h-index
62Co-inventors
84Inventor score

Filing activity: May 15, 1991 → Nov 1, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6905733B2 Irreversible immobilization of enzymes into polyurethane coatings Chemistry; Metallurgy 153 Expired
US5243012A Polyurea coating compositions having improved pot lives Chemistry; Metallurgy 109 Expired
US5516873A Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings Chemistry; Metallurgy 55 Expired
US7335400B2 Irreversible immobilization of enzymes into polyurethane coatings Chemistry; Metallurgy 33 Expired
US5561214A Hyperbranched polyaspartate esters and a process for their preparation Chemistry; Metallurgy 32 Expired
US5290902A Polyisocyanates containing allophanate and isocyanurate groups, a process for their production from cyclic diisocyanates and their use in two-component coating compositions Chemistry; Metallurgy 25 Expired
US5466771A Coating compositions based on aldimines and polyisocyanates containing allophanate groups Emerging Cross-Sectional Technologies 24 Expired
US5597930A Aspartate-functional polyhydantoin prepolymers and their use in coating compositions Chemistry; Metallurgy 21 Expired
US5852203A Hydroxy-functional polyhydantoin prepolymers and their use in coating compositions Chemistry; Metallurgy 17 Expired
US5633389A Thermoreversible coating and a process for its manufacture Chemistry; Metallurgy 17 Expired
US6084051A High solids polyurethane-urea dispersions having improved storage stability Chemistry; Metallurgy 15 Expired
US8546519B2 Polyketal compounds, synthesis, and applications Chemistry; Metallurgy 12 Active
US5789519A High viscosity, high equivalent weight polyisocyanate mixtures containing allophanate and isocyanurate groups and their use in coating compositions Chemistry; Metallurgy 11 Expired
US5523376A Coating compositions based on aldimines and polyisocyanates containing uretdione groups Chemistry; Metallurgy 10 Expired
US5629403A Coating compositions containing polyisocyanates and aldimines which have improved storage stability Chemistry; Metallurgy 9 Expired
US5506327A Blocked polyisocyanates with improved thermal stability Chemistry; Metallurgy 9 Expired
US8604077B2 Ketal compounds from polyols and oxocarboxylates Chemistry; Metallurgy 8 Active
US5294729A Process for the preparation of a block oligocarbonate Chemistry; Metallurgy 8 Expired
US5596044A Hydroxy-functional prepolymers containing hydantoin group precursors and their use in coating compositions Chemistry; Metallurgy 8 Expired
US6455631B1 Aqueous polyurethane dispersions containing modified hydrazide groups and their use in one-component thermoset compositions Emerging Cross-Sectional Technologies 8 Expired
US5561211A Blocked polyisocyanates with improved thermal stability Chemistry; Metallurgy 6 Expired
US5618889A Poly(arylether)/liquid crystalline polyester block copolymers and a process for their production Chemistry; Metallurgy 5 Expired
US5652301A Aqueous polyurea dispersions and their use for preparing coatings with excellent hydrolytic and thermal stability Chemistry; Metallurgy 5 Expired
US5561200A Blocked polyisocyanates with improved thermal stability Chemistry; Metallurgy 5 Expired
US5733967A Aqueous polyurethane dispersions and their use for preparing coatings with excellent hydrolytic and thermal stability Chemistry; Metallurgy 4 Expired

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