Pramod Gupta
77Patents
18h-index
88Co-inventors
87Inventor score
Filing activity: Oct 28, 1975 → Dec 12, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7008900B1 | Double metal cyanide catalysts for producing polyether polyols | Chemistry; Metallurgy | 77 | Expired |
| US5036007A | Method for reproducing coniferous plants by somatic embryogenesis using abscisic acid and osmotic potential variation | Chemistry; Metallurgy | 61 | Expired |
| US4957866A | Method for reproducing coniferous plants by somatic embryogenesis | Human Necessities | 57 | Expired |
| US4973414A | Polyethers, process for their preparation and lubricants containing these polyethers | Chemistry; Metallurgy | 54 | Expired |
| US5034326A | Method for reproducing coniferous plants by somatic embryogenesis using adsorbent materials in the development stage media | Chemistry; Metallurgy | 54 | Expired |
| US3996223A | Process for the production of polyisocyanates of isocyanurate structure | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5236841A | Method for reproducing conifers by somatic embryogenesis using stepwise hormone adjustment | Chemistry; Metallurgy | 48 | Expired |
| US5635161A | Aerosol drug formulations containing vegetable oils | Human Necessities | 47 | Expired |
| US5294549A | Method for reproducing conifers by somatic embryogenesis using mixed growth hormones for embryo culture | Chemistry; Metallurgy | 46 | Expired |
| US5041382A | High concentration enrichment of conifer embryonal cells | Human Necessities | 38 | Expired |
| US5635159A | Aerosol drug formulations containing polyglycolyzed glycerides | Human Necessities | 37 | Expired |
| US5563061A | Method for reproducing conifers by somatic embryogenesis using a maltose enriched maintenance medium | Chemistry; Metallurgy | 37 | Expired |
| US5821126A | Method for clonal propagation of gymnosperms by somatic polyembryogenesis | Human Necessities | 33 | Expired |
| US5482857A | Method for reproducing douglas-fir by somatic embryogenesis | Chemistry; Metallurgy | 32 | Expired |
| US5676931A | Aerosol drug formulations for use with non CFC propellants | Human Necessities | 31 | Expired |
| US4115373A | Process for the production of polyisocyanates containing isocyanurate groups | Chemistry; Metallurgy | 27 | Expired |
| US6323375A | Crystalline double metal cyanide catalysts for producing polyether polyols | Performing Operations; Transporting | 21 | Expired |
| US6204357A | Double metal cyanide catalysts for preparing poly-etherpolyols | Chemistry; Metallurgy | 19 | Expired |
| US6291388A | Double metal cyanide catalysts for producing polyether polyols | Chemistry; Metallurgy | 18 | Expired |
| US4482750A | Process for removing alkaline catalysts from polyether polyols | Chemistry; Metallurgy | 18 | Expired |
| US5360863A | Radiation curable compositions and their use | Chemistry; Metallurgy | 17 | Expired |
| US6486361B1 | Method for preparing polyether polyols | Chemistry; Metallurgy | 16 | Expired |
| US6193954A | Formulations for pulmonary delivery of dopamine agonists | Human Necessities | 14 | Expired |
| US6482993B1 | Method for producing long chain polyether polyols without reprocessing | Performing Operations; Transporting | 14 | Expired |
| US6391820B1 | Bi-metallic-cyanide catalysts used for preparing polyether polyols | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.