Covalent Group Inc.
20Patents
7Active
20Granted
40Portfolio score
Filing activity: Jul 12, 1991 → Jun 9, 2021 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5827602A | Hydrophobic ionic liquids | Emerging Cross-Sectional Technologies | 214 | Expired |
| US5273840A | Methide salts, formulations, electrolytes and batteries formed therefrom | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5973913A | Nonaqueous electrical storage device | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5965054A | Nonaqueous electrolyte for electrical storage devices | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6531241B1 | Cyclic delocalized cations connected by spacer groups | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5962166A | Ultrahigh voltage mixed valence materials | Emerging Cross-Sectional Technologies | 22 | Expired |
| USD968633S1 | Skin toning device | General | 19 | Active |
| USD970029S1 | Skin toning device | General | 16 | Active |
| USD973892S1 | Skin toning device | General | 15 | Active |
| US7253289B2 | One-step process for the preparation of halide-free hydrophobic salts | Chemistry; Metallurgy | 15 | Expired |
| US5994000A | Asymmetric organic alkyl methyl carbonates for non-aqueous power sources | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7368564B2 | Bridged macrocyclic module compositions | Chemistry; Metallurgy | 8 | Expired |
| US8110679B2 | Nanofilm and membrane compositions | Performing Operations; Transporting | 6 | Active |
| US7432371B2 | Nanofilm and membrane compositions | Performing Operations; Transporting | 6 | Expired |
| US7595368B2 | Nanofilm compositions with polymeric components | Chemistry; Metallurgy | 2 | Expired |
| USD993412S1 | Microneedling device | General | 1 | Active |
| US5986879A | Asymmetric organic alkyl ethyl carbonates for non-aqueous power sources | Emerging Cross-Sectional Technologies | 1 | Expired |
| USD993429S1 | Skin toning device | General | 0 | Active |
| US7563890B2 | Amphiphilic molecular modules and constructs based thereon | Chemistry; Metallurgy | 0 | Expired |
| US7767810B2 | Macrocyclic modules comprising linked cyclic synthon units for use in the formation of selectively permeable membranes | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.