Paul Maldonado
34Patents
11h-index
51Co-inventors
78Inventor score
Filing activity: Nov 26, 1973 → May 29, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4145322A | Process for preparing bitumen-polymer compositions | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4242246A | Process for the preparation of bituminous compositions making use of a mother solution containing polymers and sulfur | Chemistry; Metallurgy | 63 | Expired |
| US4554313A | Process for preparing bitumen-polymer compositions, application of these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions | Chemistry; Metallurgy | 62 | Expired |
| US4330449A | Process for preparation of compositions of bitumen polymers and products | Chemistry; Metallurgy | 51 | Expired |
| US4652273A | Hydrocarbon middle distillates composition containing nitrogen-containing additives for decreasing its cloud point | Chemistry; Metallurgy | 35 | Expired |
| US4567222A | Process for preparing bitumen-polymer compositions, application to these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions | Chemistry; Metallurgy | 29 | Expired |
| US4154710A | Method of preparing novel bitumen compositions | Chemistry; Metallurgy | 24 | Expired |
| US4576648A | Cationic emulsions of bituminous binders of the bitumen type and their process of preparation | Chemistry; Metallurgy | 21 | Expired |
| US6511520B1 | Additive for fuel oiliness | Chemistry; Metallurgy | 20 | Expired |
| US4375974A | Detergent compositions, their manufacture and their use as additives for fuels | Chemistry; Metallurgy | 14 | Expired |
| US4237052A | Method for the preparation of bitumens modified by polymers | Chemistry; Metallurgy | 11 | Expired |
| US6113661A | Fuel composition for diesel engines containing oxygenated compounds | Chemistry; Metallurgy | 11 | Expired |
| US4543195A | Friction-reducing lubricating compositions each comprising an additive | Chemistry; Metallurgy | 11 | Expired |
| US3966553A | Process for producing citric acid by fermentation | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7374589B2 | Fuel with low sulphur content for diesel engines | Chemistry; Metallurgy | 10 | Expired |
| US6218449A | Process for the preparation of functionalized elastomer/bitumen compositions and their use in coatings | Chemistry; Metallurgy | 10 | Expired |
| US4422856A | N-Substituted succinimides, their preparation and use as motor fuel additives | Chemistry; Metallurgy | 10 | Expired |
| US4374282A | Ethers of polyols, their preparation and use | Chemistry; Metallurgy | 9 | Expired |
| US4367074A | Novel filter aid compositions for improving the limiting filterability temperature and inhibition of n-paraffin crystal formation during low temperature of middle distillates | Chemistry; Metallurgy | 9 | Expired |
| US4264334A | Heavy fuel-oil compositions having an improved stability under storage conditions | Chemistry; Metallurgy | 8 | Expired |
| US6592639B2 | Fuel with low sulphur content for diesel engines | Chemistry; Metallurgy | 8 | Expired |
| US4870137A | Novel n-substituted polyamide type polymers, their method of preparation and their use as additives for crude petroleum oils | Chemistry; Metallurgy | 7 | Expired |
| US4749499A | Method for preparing very fluid overbased additives having a high basicity and composition containing the additives | Chemistry; Metallurgy | 6 | Expired |
| US4758365A | Polymeric additives useful for inhibition of the deposit of paraffins in crude oils | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4242143A | Process for improving the properties of bituminous products and an improved cast asphalt | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.