Samuel D. Hilbert
66Patents
23h-index
33Co-inventors
88Inventor score
Filing activity: Aug 8, 1975 → Jun 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5372864A | Toners for polyesters | Emerging Cross-Sectional Technologies | 147 | Expired |
| US5384377A | Toners for polyesters | Emerging Cross-Sectional Technologies | 130 | Expired |
| US4749773A | Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom | Chemistry; Metallurgy | 105 | Expired |
| US4617374A | UV-absorbing condensation polymeric compositions and products therefrom | Chemistry; Metallurgy | 91 | Expired |
| US4892922A | Polyester polymer containing the residue of a benzopyran colorant compound and shaped articles produced therefrom | Chemistry; Metallurgy | 88 | Expired |
| US4845188A | Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom | Chemistry; Metallurgy | 87 | Expired |
| US4826903A | Condensation polymer containing the residue of an acyloxystyrl compound and shaped articles produced therefrom | Chemistry; Metallurgy | 85 | Expired |
| US4882412A | Polyester polymer containing the residue of the UV absorbing benzopyran compound and shaped articles produced therefrom | Chemistry; Metallurgy | 84 | Expired |
| US4892923A | Polyester compositions containing the residue of a naphthopyran compound and shaped articles produced therefrom | Chemistry; Metallurgy | 82 | Expired |
| US4617373A | Condensation polymers and products therefrom | Chemistry; Metallurgy | 61 | Expired |
| US4999418A | Polyesters colored with the residue of heat stable anthraquinone compounds | Chemistry; Metallurgy | 50 | Expired |
| US4740581A | Condensation copolymers containing copolymerized isoquinoline derivative colorants and products therefrom | Chemistry; Metallurgy | 47 | Expired |
| US8475832B2 | Sublingual and buccal film compositions | Human Necessities | 36 | Active |
| US4749774A | Condensation polymer containing the residue of a poly-methine compound and shaped articles produced therefrom | Chemistry; Metallurgy | 35 | Expired |
| US5102980A | Colored polyester compositions | Chemistry; Metallurgy | 34 | Expired |
| US4745174A | Polyesters having improved whiteness | Chemistry; Metallurgy | 34 | Expired |
| US4707537A | UV-absorbing condensation polymeric compositions and products therefrom | Chemistry; Metallurgy | 33 | Expired |
| US5340910A | Process for preparing 1-cyano-3H-dibenz[f,ij]isoquinoline-2,7-diones and their use as toners for polyesters | Chemistry; Metallurgy | 32 | Expired |
| US5030708A | Colored polyester compositions | Chemistry; Metallurgy | 29 | Expired |
| US5886133A | Production of particular polyesters using a novel catalyst system | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5744571A | Production of particular polyesters using a novel catalyst system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5281659A | Colored polyester compositions | Chemistry; Metallurgy | 24 | Expired |
| US6197223A | Method for preparing light-absorbing polymeric compositions | Chemistry; Metallurgy | 23 | Expired |
| US4749772A | Condensation copolymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom | Chemistry; Metallurgy | 22 | Expired |
| US4950732A | Condensation copolymers containing bis-methine moieties and products therefrom | Chemistry; Metallurgy | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.