James D. Carruthers
20Patents
11h-index
18Co-inventors
72Inventor score
Filing activity: Mar 30, 1981 → Nov 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6239054A | Process for regenerating catalysts | Performing Operations; Transporting | 59 | Expired |
| US6015485A | High activity catalysts having a bimodal mesopore structure | Performing Operations; Transporting | 57 | Expired |
| US4432890A | Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion | Performing Operations; Transporting | 46 | Expired |
| US6306795A | Stable highly active supported copper based catalysts | Performing Operations; Transporting | 34 | Expired |
| US6200927A | High activity catalysts | Performing Operations; Transporting | 30 | Expired |
| US4377470A | Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion | Chemistry; Metallurgy | 28 | Expired |
| US4549958A | Immobilization of vanadia deposited on sorbent materials during treatment of carbo-metallic oils | Chemistry; Metallurgy | 26 | Expired |
| US4480047A | High performance catalysts for carbometallic oil conversion and their manufacturing and use | Chemistry; Metallurgy | 25 | Expired |
| US4588702A | High performance catalysts for carbometallic oil conversion and their manufacture and use | Chemistry; Metallurgy | 16 | Expired |
| US6291394A | Process for improving catalysts | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4513093A | Immobilization of vanadia deposited on sorbent materials during treatment of carbo-metallic oils | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6821925B2 | Catalysts made from a new aluminum trihydroxide phase and method of making | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4485184A | Trapping of metals deposited on catalytic materials during carbometallic oil conversion | Chemistry; Metallurgy | 10 | Expired |
| US6239066A | Process for forming high activity catalysts | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4561968A | Carbometallic oil conversion with zeolite y containing catalyst | Performing Operations; Transporting | 7 | Expired |
| US4750987A | Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6472561B2 | Stable highly active supported copper based catalysts | Performing Operations; Transporting | 2 | Expired |
| US6508999B1 | Aluminum trihydroxide phase | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6881392B2 | Process for treating hydrocarbonaceous material with aluminum trihydroxide catalyst | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11241671B2 | Monolithic composite photocatalysts | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.