Duane B. Priddy
53Patents
12h-index
34Co-inventors
84Inventor score
Filing activity: Aug 15, 1973 → Mar 29, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5627248A | Difunctional living free radical polymerization initiators | Chemistry; Metallurgy | 57 | Expired |
| US7320201B2 | Wall construction | Fixed Constructions | 43 | Active |
| US4572819A | Apparatus for anionic polymerization wherein the molecular weight of the polymer is closely controlled | Chemistry; Metallurgy | 41 | Expired |
| US5721320A | In situ block copolymer formation during polymerization of a vinyl aromatic monomer | Chemistry; Metallurgy | 35 | Expired |
| US5677388A | Difunctional living free radical polymerization initiators | Chemistry; Metallurgy | 27 | Expired |
| US4389517A | Hydrogenation of phenylacetylene prior to styrene polymerization | Chemistry; Metallurgy | 23 | Expired |
| US5650106A | Extruded foams having a monovinyl aromatic polymer with a broad molecular weight distribution | Chemistry; Metallurgy | 17 | Expired |
| US4178263A | Organic peroxide compositions | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5959033A | Polymers containing highly grafted rubbers | Chemistry; Metallurgy | 16 | Expired |
| US5115055A | Hydroperoxide catalyzed free radical polymerization of vinyl aromatic monomers | Chemistry; Metallurgy | 16 | Expired |
| US4195169A | Devolatilizing polymers of styrene and acrylic or methacrylic acid | Chemistry; Metallurgy | 15 | Expired |
| US7351777B2 | Retarded anionic polymerization of vinyl aromatic monomers using insoluble or heterogeneous retardants | Chemistry; Metallurgy | 12 | Active |
| US5948874A | Acid catalyzed polymerization | Chemistry; Metallurgy | 10 | Expired |
| US4725654A | Process for anionic polymerization | Chemistry; Metallurgy | 9 | Expired |
| US5145924A | Free radical polymerization of styrene monomer | Chemistry; Metallurgy | 9 | Expired |
| US4131728A | Method for polymerizing olefinically unsaturated monomers employing a catalyst composition comprising (a) shock-sensitive organic peroxide and (b) an olefinic unsaturated non-homopolymerizable monomer | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4704431A | Blends of polypropylene and vinylaromatic/.alpha.-methylstyrene copolymers | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4859748A | Process for anionic polymerization in a continuous stirred tank reactor | Chemistry; Metallurgy | 8 | Expired |
| US5473031A | Branched polystyrene production by free radical bulk polymerization | Chemistry; Metallurgy | 7 | Expired |
| US4087599A | Preparation of a water-soluble polyvinylbenzyl quaternary ammonium halide | Chemistry; Metallurgy | 7 | Expired |
| US5034485A | Multifunctional cyclobutarene peroxide polymerization initiators | Chemistry; Metallurgy | 6 | Expired |
| US5990255A | High molecular weight polysytrene production by vinyl acid catalyzed free radical polymerization | Chemistry; Metallurgy | 6 | Expired |
| US3935243A | Method for preparing polyperoxydicarbonate esters | Chemistry; Metallurgy | 6 | Expired |
| US4789730A | Preparation of polycarbonate having reduced cyclic carbonate oligomer content | Chemistry; Metallurgy | 5 | Expired |
| US5408023A | Preparation of modified vinyl polymers | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.