Charles G. Ruffner
13Patents
10h-index
15Co-inventors
65Inventor score
Filing activity: Oct 1, 1985 → Sep 26, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4600761A | Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein | Chemistry; Metallurgy | 83 | Expired |
| US4616074A | Acrylic-methylene succinic ester emulsion copolymers for thickening aqueous systems | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4743698A | Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein | Chemistry; Metallurgy | 35 | Expired |
| US4745154A | Water soluble polymers, their preparation and their uses | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4916183A | Copolymers as thickeners and modifiers for latex systems | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5216065A | Emulsion polymerization with large particle size | Chemistry; Metallurgy | 23 | Expired |
| US5011978A | Copolymers as thickeners and modifiers for latex systems | Chemistry; Metallurgy | 18 | Expired |
| US6103802A | Water-based release coatings | Chemistry; Metallurgy | 14 | Expired |
| USRE33008E | Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein | General | 11 | Expired |
| US6291075A | Ovenable coated paperboard | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6103780A | Ink jet inks | Chemistry; Metallurgy | 8 | Expired |
| US7332046B2 | Methods of blocking stains on a substrate to be painted, and composites suitable for use in such methods | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6020401A | Acrylic resins as binders for gravure printing inks | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.