Robert L. Chiang
26Patents
15h-index
31Co-inventors
81Inventor score
Filing activity: Oct 20, 1971 → Jul 8, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6605136B1 | Pressure swing adsorption process operation and optimization | Performing Operations; Transporting | 88 | Expired |
| US3950247A | Separation procedure | Chemistry; Metallurgy | 37 | Expired |
| US4830732A | Reforming using a bound zeolite catalyst | Performing Operations; Transporting | 33 | Expired |
| US6824590B2 | Use of lithium-containing fau in air separation processes including water and/or carbon dioxide removal | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4067805A | Process for separating aqueous formaldehyde mixtures | Chemistry; Metallurgy | 29 | Expired |
| US4357265A | Catalytic cracking catalyst | Chemistry; Metallurgy | 26 | Expired |
| US4588701A | Catalytic cracking catalysts | Performing Operations; Transporting | 26 | Expired |
| US4443553A | Production of fluid catalytic cracking catalysts | Performing Operations; Transporting | 24 | Expired |
| US4499197A | Co-gel catalyst manufacture | Performing Operations; Transporting | 23 | Expired |
| US6544318B2 | High purity oxygen production by pressure swing adsorption | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5106803A | Reforming using a bound zeolite catalyst | Performing Operations; Transporting | 21 | Expired |
| US4035291A | Process for separating aqueous formaldehyde mixtures | Performing Operations; Transporting | 18 | Expired |
| US4199445A | Process for separating aqueous mineral acid mixtures | Performing Operations; Transporting | 17 | Expired |
| US4591576A | Process for preparing catalytic cracking catalysts | Performing Operations; Transporting | 17 | Expired |
| US6658894B2 | Process and adsorbent for the recovery of krypton and xenon from a gas or liquid stream | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4855036A | Catalytic cracking process | Performing Operations; Transporting | 15 | Expired |
| US6432170B1 | Argon/oxygen selective X-zeolite | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4476239A | Production of fluid catalytic cracking catalysts | Chemistry; Metallurgy | 12 | Expired |
| US7300899B2 | Lithium exchanged zeolite X adsorbent blends | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7442232B2 | Adsorbents, methods of preparation, and methods of use thereof | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4415439A | Catalytic cracking catalyst | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4678765A | Catalytic cracking catalysts for high octane gasoline products | Chemistry; Metallurgy | 6 | Expired |
| US6892473B1 | Process for removing water from ammonia | Chemistry; Metallurgy | 5 | Expired |
| US4853355A | Silica bonding of molecular sieves | Performing Operations; Transporting | 5 | Expired |
| USH282H | High silica/alumina ratio faujasite type NaY | General | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.