Prakash Patel
44Patents
6h-index
34Co-inventors
69Inventor score
Filing activity: Jun 19, 1990 → Nov 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5281241A | Polycyclic dyes | Chemistry; Metallurgy | 14 | Expired |
| US7022171B2 | Phthalocyanine compounds and ink compositions comprising the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7314273B2 | Process for preparing phthalocyanine compounds | Chemistry; Metallurgy | 11 | Expired |
| US6979364B2 | Metal chelate compounds and inks | Chemistry; Metallurgy | 7 | Expired |
| US7189283B2 | Phthalocyanines and their use in ink-jet printers | Chemistry; Metallurgy | 6 | Expired |
| US7014696B2 | Compounds, compositions and uses | Chemistry; Metallurgy | 6 | Expired |
| US8258086B2 | Anti-seize composition with nano-sized lubricating solid particles | Chemistry; Metallurgy | 5 | Active |
| US7723275B2 | Anti-seize composition in solid form | Chemistry; Metallurgy | 5 | Active |
| US6969421B2 | Processes, compositions and compounds | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5189153A | Substituted phthalocyanines | Physics | 5 | Expired |
| US7449058B2 | Phthalocyanines and their use in ink-jet printers | Chemistry; Metallurgy | 5 | Active |
| US7147698B2 | Phthalocyanine compounds used in inks | Textiles; Paper | 5 | Expired |
| US7182806B2 | Phthalocyanines and their use in ink-jet printers | Chemistry; Metallurgy | 5 | Expired |
| US5976197A | Dyeing process and dyes | Textiles; Paper | 5 | Expired |
| US7326287B2 | Cyan inks and their use in ink-jet printers | Chemistry; Metallurgy | 4 | Expired |
| US7244696B2 | Anti-seize composition in solid form | Chemistry; Metallurgy | 4 | Expired |
| US7575626B2 | Phthalocyanines and their use in ink-jet printers | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7156908B2 | Phthalocyanine compounds, ink compositions comprising said compounds, and printing process therewith | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7575627B2 | Phthalocyanines and their use in ink-jet printing | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6635747B2 | Dyes, inks and their use in ink-jet printing | Chemistry; Metallurgy | 4 | Expired |
| US5755862A | Monoazo dyes useful in ink compositions for printing on substrates by ink-jet printing | Physics | 3 | Expired |
| US5220040A | Mixed and mixed crystal benzodefuranone dyes | Chemistry; Metallurgy | 3 | Expired |
| US7408010B1 | Primer compositions in non-flowable forms | Emerging Cross-Sectional Technologies | 3 | Active |
| US8529685B2 | Azaphthalocyanines and their use in ink-jet printing | Emerging Cross-Sectional Technologies | 2 | Active |
| US8198345B2 | Lubricious anaerobic curable compositions | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.