Paul R. Cottrell
27Patents
9h-index
30Co-inventors
71Inventor score
Filing activity: Apr 6, 1987 → Oct 19, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6395664B1 | Process for reactivating a deactivated dehydrocyclodimerization catalyst with water | Performing Operations; Transporting | 35 | Expired |
| US5012021A | Process for the production of alkylaromatic hydrocarbons using solid catalysts | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4861930A | Combination process for the conversion of a C.sub.2 -C.sub.6 aliphatic hydrocarbon | Chemistry; Metallurgy | 27 | Expired |
| US5151392A | Moving bed regeneration process with separate dispersion and chloriding steps | Chemistry; Metallurgy | 22 | Expired |
| US5227566A | Process for the dehydrogenation of hydrocarbons | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5087792A | Process for the dehydrogenation of hydrocarbons | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6657096B2 | Dehydrocyclodimerization process with catalyst reactivation | Performing Operations; Transporting | 12 | Expired |
| US5457077A | Moving bed regeneration process with combined drying and dispersion steps | Performing Operations; Transporting | 11 | Expired |
| US5321192A | Dehydrogenation process | Chemistry; Metallurgy | 10 | Expired |
| US6472577B1 | Process for increasing the yield and selectivity of a dehydrogenation process using side-by-side reaction zones | Chemistry; Metallurgy | 9 | Expired |
| US6218589A | Method for improving the operation of a propane-propylene splitter | Chemistry; Metallurgy | 8 | Expired |
| US6884400B1 | Reaction and regeneration system | Performing Operations; Transporting | 8 | Expired |
| US6969496B2 | Apparatus with increased yield and selectivity using side-by-side reaction zones | Chemistry; Metallurgy | 8 | Expired |
| US5352848A | Nitrile removal in an etherification process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6107526A | Process for producing ethyl tertiary butyl ether | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5569790A | Process for removal of nitriles from etherification feedstocks | Chemistry; Metallurgy | 6 | Expired |
| US5672772A | Process for removal of nitriles from etherification feedstocks | Chemistry; Metallurgy | 4 | Expired |
| US7585803B1 | Catalyst regeneration method | Performing Operations; Transporting | 4 | Active |
| US5847230A | Nitrile removal in an etherification process | Chemistry; Metallurgy | 3 | Expired |
| US4732665A | High severity catalytic reforming process | Chemistry; Metallurgy | 3 | Expired |
| US6271428A | Process for the purification of a diolefin hydrocarbon stream | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5792899A | Process for the management of polynuclear aromatic compounds produced in a hydrocarbon dehydrogenation reaction zone | Chemistry; Metallurgy | 2 | Expired |
| US5370786A | Method for operating a continuous conversion process employing solid catalyst particles | Performing Operations; Transporting | 2 | Expired |
| US5990361A | Process for producing ethyl tertiary butyl ether by catalytic distillation | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6194626A | Process for the purification of a diolefin hydrocarbon stream from a naphtha steam cracker | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.