Dennis G. Peiffer
128Patents
22h-index
117Co-inventors
93Inventor score
Filing activity: Jun 2, 1980 → Jun 2, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6060549A | Rubber toughened thermoplastic resin nano composites | Chemistry; Metallurgy | 125 | Expired |
| US5883173A | Nanocomposite materials (LAW392) | Chemistry; Metallurgy | 124 | Expired |
| US4739834A | Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6034164A | Nanocomposite materials formed from inorganic layered materials dispersed in a polymer matrix | Chemistry; Metallurgy | 66 | Expired |
| US5807629A | Tactoidal elastomer nanocomposites | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6297301A | Thermoplastic elastomer compositions having improved processing properties | Chemistry; Metallurgy | 50 | Expired |
| US6100224A | Copolymers of ethylene .alpha.-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels | Chemistry; Metallurgy | 42 | Expired |
| US7186673B2 | Stability enhanced water-in-oil emulsion and method for using same | Chemistry; Metallurgy | 42 | Expired |
| US4627926A | Thermally stable borehole fluids | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5071934A | Cationic hydrophobic monomers and polymers | Chemistry; Metallurgy | 38 | Expired |
| US5036136A | Mixtures of colloidal rod-like viscoelastic fluids and anionic-alkyl containing copolymers | Chemistry; Metallurgy | 34 | Expired |
| US8088717B2 | Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud | Emerging Cross-Sectional Technologies | 33 | Active |
| US5093448A | Polymerizable cationic visco-elastic monomer fluids | Chemistry; Metallurgy | 28 | Expired |
| US6015929A | Gas hydrate anti-agglomerates | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4975482A | Viscoelastic fluids formed through the interaction of polymerizable vesicles and alkyl-containing polymers (C-2381) | Chemistry; Metallurgy | 27 | Expired |
| US4460758A | Drag reduction agents for aqueous salt solutions | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5841010A | Surface active agents as gas hydrate inhibitors | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6734144B2 | Solids-stabilized water-in-oil emulsion and method for using same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5026490A | Zwitterionic functionalized polymers as deflocculants in water based drilling fluids | Chemistry; Metallurgy | 23 | Expired |
| US5288773A | Sulfonated unhydrogenated copolymers of styrene and butadiene | Chemistry; Metallurgy | 23 | Expired |
| US4970260A | Novel viscosifiers for salt-containing solutions based on polymer complexes | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6111027A | Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides | Chemistry; Metallurgy | 22 | Expired |
| US6124428A | Method of processing polyethylene and polyethylene/elastomer blends | Chemistry; Metallurgy | 20 | Expired |
| US5064903A | Elastomeric toughened polyethylene blends | Chemistry; Metallurgy | 19 | Expired |
| US6194622A | Method for inhibiting hydrate formation | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.