Stuart N. Richards
22Patents
4h-index
17Co-inventors
60Inventor score
Filing activity: Jul 15, 1997 → Jun 26, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6794425B1 | Pigment printing composition | Chemistry; Metallurgy | 23 | Expired |
| US5962609A | Free radical polymerisation process | Chemistry; Metallurgy | 6 | Expired |
| US8859675B2 | Dispersants | Chemistry; Metallurgy | 5 | Active |
| US7732514B2 | Filler composites | Emerging Cross-Sectional Technologies | 5 | Active |
| US7741404B2 | Polyurethane dispersants | Chemistry; Metallurgy | 4 | Expired |
| US8338558B2 | Polyurethane based pigment dispersants which contain reactive double bonds | Chemistry; Metallurgy | 4 | Active |
| US8664331B2 | Aqueous urethane dispersants | Chemistry; Metallurgy | 3 | Expired |
| US9416280B2 | Styrene-maleic anhydride based dispersant in a coating or ink | Chemistry; Metallurgy | 3 | Active |
| US9534123B2 | Aromatic dispersant composition | Chemistry; Metallurgy | 2 | Active |
| US8979990B2 | Dispersant composition | Chemistry; Metallurgy | 1 | Active |
| US8487051B2 | Polyurethane based pigment dispersants which contain reactive double bonds | Chemistry; Metallurgy | 1 | Active |
| US9540486B2 | Aromatic dispersant composition | Emerging Cross-Sectional Technologies | 1 | Active |
| US8268925B2 | Graft copolymer and compositions thereof | Chemistry; Metallurgy | 0 | Active |
| US9034979B2 | Dispersant composition | Chemistry; Metallurgy | 0 | Active |
| US10745506B2 | Acrylic dispersants with fused aromatic imide anchor groups | Chemistry; Metallurgy | 0 | Active |
| US11649309B2 | Acrylic dispersants with fused aromatic imide anchor groups | Chemistry; Metallurgy | 0 | Active |
| US10100152B2 | Aromatic dispersant composition | Chemistry; Metallurgy | 0 | Active |
| US10308836B2 | Dispersants with multiple aromatic imide anchor groups | Chemistry; Metallurgy | 0 | Active |
| US9315610B2 | Dispersants from linear polyurethanes | Chemistry; Metallurgy | 0 | Active |
| US8987374B2 | Polyurethane dispersants | Chemistry; Metallurgy | 0 | Active |
| US10442884B2 | Dispersants with multiple aromatic imide anchor groups | Chemistry; Metallurgy | 0 | Active |
| US6770704B2 | Thickeners | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.