John W. Ward
93Patents
22h-index
24Co-inventors
88Inventor score
Filing activity: Oct 15, 1973 → Nov 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4185040A | Alkylation of aromatic hydrocarbons | Chemistry; Metallurgy | 75 | Expired |
| US4419271A | Hydrocarbon conversion catalyst | Chemistry; Metallurgy | 74 | Expired |
| US4459426A | Liquid-phase alkylation and transalkylation process | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4572778A | Hydroprocessing with a large pore catalyst | Chemistry; Metallurgy | 51 | Expired |
| US5275720A | Gasoline hydrocracking catalyst and process | Chemistry; Metallurgy | 45 | Expired |
| US4428862A | Catalyst for simultaneous hydrotreating and hydrodewaxing of hydrocarbons | Chemistry; Metallurgy | 44 | Expired |
| US5334307A | Resid hydroprocessing catalyst | Performing Operations; Transporting | 39 | Expired |
| US4097365A | Hydrocracking process and catalyst for production of middle distillate oils | Performing Operations; Transporting | 36 | Expired |
| US4429053A | Rare earth-containing Y zeolite compositions | Chemistry; Metallurgy | 35 | Expired |
| US4517074A | Hydrocarbon conversion process | Performing Operations; Transporting | 34 | Expired |
| US3945943A | Zeolite containing compositions, catalysts and methods of making | Performing Operations; Transporting | 32 | Expired |
| US4517073A | Hydrocracking process and catalyst therefor | Performing Operations; Transporting | 30 | Expired |
| US4576711A | Hydrocracking process and catalyst therefor | Chemistry; Metallurgy | 29 | Expired |
| US4686030A | Mild hydrocracking with a catalyst having a narrow pore size distribution | Performing Operations; Transporting | 29 | Expired |
| US4120825A | Hydrogenative conversion catalyst | Chemistry; Metallurgy | 27 | Expired |
| US5279726A | Catalyst containing zeolite beta and processes for its use | Performing Operations; Transporting | 27 | Expired |
| US4876408A | Alkylation process using a catalyst having an increased selectivity for monoalkylation | Chemistry; Metallurgy | 27 | Expired |
| US4683050A | Mild hydrocracking with a catalyst containing an intermediate pore molecular sieve | Chemistry; Metallurgy | 26 | Expired |
| US4565621A | Hydrocracking with rare earth-containing Y zeolite compositions | Chemistry; Metallurgy | 26 | Expired |
| US4695365A | Hydrocarbon refining process | Chemistry; Metallurgy | 25 | Expired |
| US5536687A | Catalyst containing zeolite Beta | Performing Operations; Transporting | 23 | Expired |
| US4036739A | Catalytic cracking process using ammonia-stable zeolite catalyst | Performing Operations; Transporting | 23 | Expired |
| US4879019A | Hydrocarbon conversion process for selectively making middle distillates | Chemistry; Metallurgy | 21 | Expired |
| US4428825A | Catalytic hydrodewaxing process with added ammonia in the production of lubricating oils | Chemistry; Metallurgy | 21 | Expired |
| US4867861A | Process and catalyst for the dewaxing of shale oil | Chemistry; Metallurgy | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.