Michael Feustel
52Patents
14h-index
46Co-inventors
84Inventor score
Filing activity: Dec 14, 1988 → Apr 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5925233A | Use of alkanesulfonic acids as asphaltene-dispersing agents | Chemistry; Metallurgy | 70 | Expired |
| US5391632A | Terpolymers based on .alpha.,.beta.-unsaturated dicarboxylic anhydrides, .alpha.,.beta.-unsaturated compounds and polyoxyalkylene ethers of lower unsaturated alcohols | Chemistry; Metallurgy | 66 | Expired |
| US5998530A | Flowability of mineral oils and mineral oil distillates using alkylphenol-aldehyde resins | Chemistry; Metallurgy | 48 | Expired |
| US5186720A | Use of products of the reaction of alkenyl-spiro-bislactones with amines as paraffin-dispersants | Chemistry; Metallurgy | 48 | Expired |
| US4985048A | Polymer mixtures for improving the low-temperature flow properties of mineral oil distillates | Chemistry; Metallurgy | 40 | Expired |
| US6566309B1 | Additives for inhibiting gas hydrate formation | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6180683A | Synergistic mixtures of alkylphenol-formaldehyde resins with oxalkylated amines as asphaltene dispersants | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5254652A | Terpolymers of ethylene, their preparation, and their use as additives for mineral oil distillates | Chemistry; Metallurgy | 29 | Expired |
| US5705603A | Polyetheramines with polymers of .alpha., .beta.-unsaturated dicarboxylic acids | Chemistry; Metallurgy | 22 | Expired |
| US7435845B2 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability | Chemistry; Metallurgy | 20 | Expired |
| US6894007B2 | Additives for inhibiting gas hydrate formation | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7183240B2 | Additives for inhibiting the formation of gas hydrates | Chemistry; Metallurgy | 18 | Expired |
| US6063146A | Ethercarboxylic acids as asphaltene dispersants in crude oils | Chemistry; Metallurgy | 15 | Expired |
| US6204420A | Synergistic mixtures of phosphoric esters with carboxylic acids or carboxylic acid derivatives as asphaltene dispersants | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7253138B2 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability | Chemistry; Metallurgy | 12 | Expired |
| US8034748B2 | Additives for inhibiting the formation of gas hydrates | Chemistry; Metallurgy | 12 | Active |
| US7160507B2 | Corrosion inhibitors with improved water solubility and improved film persistence | Chemistry; Metallurgy | 12 | Expired |
| US8123930B2 | Additives for crude oils | Chemistry; Metallurgy | 10 | Active |
| US7214814B2 | Additives for inhibiting gas hydrate formation | Chemistry; Metallurgy | 10 | Expired |
| US5439981A | Graft polymers, their preparation and use as pour point depressants and flow improvers for crude oils, residual oils and middle distillates | Chemistry; Metallurgy | 8 | Expired |
| US6372918B1 | Compound for inhibiting corrosion | Chemistry; Metallurgy | 8 | Expired |
| US7893009B2 | Polymers and their production and use as gas hydrate inhibitors | Chemistry; Metallurgy | 7 | Active |
| US5948237A | Use of sarcosinates as asphaltene-dispersing agents | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6465528B1 | Aromatic aldehyde resins and their use as emulsion breakers | Chemistry; Metallurgy | 6 | Expired |
| US7569615B2 | Alkoxylated dendrimers and use thereof as biodegradable demulsifiers | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.