Paul S. Palumbo
34Patents
11h-index
28Co-inventors
75Inventor score
Filing activity: Jun 2, 1983 → Dec 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6494943B1 | Ink jet inks, inks, and other compositions containing colored pigments | Chemistry; Metallurgy | 65 | Expired |
| US6221143A | Cationic pigments and aqueous compositions containing same | Chemistry; Metallurgy | 57 | Expired |
| US6723783B2 | Polymers and other groups attached to pigments and subsequent reactions | Chemistry; Metallurgy | 51 | Expired |
| US6641656B2 | Dispersions comprising modified pigments | Chemistry; Metallurgy | 32 | Expired |
| US8858695B2 | Modified colorants and inkjet ink compositions comprising modified colorants | Chemistry; Metallurgy | 27 | Active |
| US4900686A | Fluorescent conjugates and biological diagnostic assay | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5112739A | Enzyme controlled release system | Chemistry; Metallurgy | 23 | Expired |
| US7173078B2 | Process for preparing modified pigments | Chemistry; Metallurgy | 20 | Expired |
| US4886744A | Fluorescent conjugates and biological diagnostic assay system | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6833026B2 | Modified pigments and process for preparing modified pigments | Chemistry; Metallurgy | 17 | Expired |
| US6916367B2 | Modified pigments and process for preparing modified pigments | Chemistry; Metallurgy | 16 | Expired |
| US5294536A | Conjugates | Physics | 11 | Expired |
| US4468450A | Photographic products and processes | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5977299A | Activated peptides and conjugates | Chemistry; Metallurgy | 5 | Expired |
| US5290682A | Enzyme controlled processes and products | Emerging Cross-Sectional Technologies | 5 | Expired |
| US10106696B2 | Inkjet ink compositions | Chemistry; Metallurgy | 4 | Active |
| US7893152B2 | Polymers and other groups attached to pigments and subsequent reactions | Chemistry; Metallurgy | 3 | Expired |
| US5034317A | Enzyme controlled release system and organic conjugate reactant | Chemistry; Metallurgy | 2 | Expired |
| US9109128B2 | Ink compositions | Chemistry; Metallurgy | 2 | Active |
| US8021471B2 | Modified colorants with aliphatic poly-acid groups | Chemistry; Metallurgy | 2 | Active |
| US6210908A | Activated peptides and conjugates | Chemistry; Metallurgy | 1 | Expired |
| US9873807B2 | Core-shell polymeric materials | Chemistry; Metallurgy | 1 | Active |
| US9732227B2 | Modified colorants and inkjet ink compositions comprising modified colorants | Chemistry; Metallurgy | 1 | Active |
| US8492457B2 | Method of preparing pigment compositions | Chemistry; Metallurgy | 1 | Active |
| US4591646A | Photographic products and processes | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.