Vinod Kumar Rai
8Patents
5h-index
28Co-inventors
55Inventor score
Filing activity: Dec 19, 2003 → Jun 3, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7135577B2 | Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom | Chemistry; Metallurgy | 19 | Expired |
| US7277230B2 | Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom | Chemistry; Metallurgy | 16 | Expired |
| US7408016B2 | Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom | Chemistry; Metallurgy | 11 | Expired |
| US7470796B2 | Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom | Chemistry; Metallurgy | 5 | Active |
| US7348439B2 | 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compounds and methods for making them | Chemistry; Metallurgy | 5 | Expired |
| US7998351B2 | Tannin based polymeric coagulants composition and method of use | Chemistry; Metallurgy | 3 | Active |
| US8298440B2 | Methods and compositions for inhibiting vinyl aromatic monomer polymerization | Chemistry; Metallurgy | 1 | Active |
| US7015365B2 | Methods for preparing cycloalkylidene bisphenols | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.