Asit Kumar Das
36Patents
9h-index
129Co-inventors
78Inventor score
Filing activity: Apr 11, 1997 → Oct 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7029571B1 | Multi stage selective catalytic cracking process and a system for producing high yield of middle distillate products from heavy hydrocarbon feedstocks | Chemistry; Metallurgy | 52 | Expired |
| US8685232B2 | Fluid catalytic cracking (FCC) process for manufacturing propylene and ethylene in increased yield | Chemistry; Metallurgy | 40 | Active |
| US5846402A | Process for catalytic cracking of petroleum based feed stocks | Chemistry; Metallurgy | 36 | Expired |
| US6153089A | Upgradation of undesirable olefinic liquid hydrocarbon streams | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6540904B1 | Process for the upgradation of petroleum residue | Chemistry; Metallurgy | 25 | Expired |
| US6656344B1 | Fluidized catalytic cracking process | Chemistry; Metallurgy | 12 | Expired |
| US6149875A | Fluidized catalytic cracking process and apparatus | Chemistry; Metallurgy | 11 | Expired |
| US6267873A | Fluidized catalytic cracking process | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6027696A | Fluidized catalytic cracking apparatus | Performing Operations; Transporting | 9 | Expired |
| US7604731B2 | Process for the production of needle coke | Chemistry; Metallurgy | 6 | Expired |
| US9809739B2 | Method for regeneration of spent ion exchange resins | Performing Operations; Transporting | 5 | Active |
| US11319493B2 | Method for catalytic conversion of waste plastic into liquid fuel | Emerging Cross-Sectional Technologies | 5 | Active |
| US9067196B2 | FCC catalyst additive and a method for its preparation | Chemistry; Metallurgy | 2 | Active |
| US7462275B2 | Process for conversion of hydrocarbons to saturated LPG and high octane gasoline | Chemistry; Metallurgy | 2 | Expired |
| US9939821B2 | Computer implemented blend control system and method for preparation of a hydrocarbon blend | Physics | 2 | Active |
| US9931593B2 | Multi-compression system and process for capturing carbon dioxide | Emerging Cross-Sectional Technologies | 1 | Active |
| US9550708B2 | Process for catalytic conversion of low value hydrocarbon streams to light olefins | Emerging Cross-Sectional Technologies | 1 | Active |
| US10112170B2 | Stabilized inorganic oxide supports and adsorbents derived therefrom for carbon dioxide capture | Emerging Cross-Sectional Technologies | 1 | Active |
| US10376833B2 | Process for capturing carbon-dioxide from a gas stream | Emerging Cross-Sectional Technologies | 1 | Active |
| US8618344B2 | Process for recovery of propylene and LPG from FCC fuel gas using stripped main column overhead distillate as absorber oil | Chemistry; Metallurgy | 1 | Active |
| US9790175B2 | Process for the removal of sodium from di-sulfide oil | Chemistry; Metallurgy | 1 | Active |
| US11118116B2 | FCC catalyst additive and a process for preparation thereof | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9783743B2 | Process and composition of catalyst/additive for reducing fuel gas yield in fluid catalytic cracking (FCC) process | Chemistry; Metallurgy | 0 | Active |
| US11383227B2 | Hydrothermally stable catalyst composition and a process for preparation thereof | Performing Operations; Transporting | 0 | Active |
| US10329223B2 | Process for propylene and LPG recovery in FCC fuel gas | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.