SRchemical Co., Ltd.
26Patents
1Active
26Granted
35Portfolio score
Filing activity: Apr 30, 1975 → Mar 2, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6002476A | Chemical imaging system | Physics | 142 | Expired |
| US7172649B2 | Leucite glass ceramic doped with nanoscale metal oxide powder, method for producing the same, and dental materials and dental products formed therefrom | Chemistry; Metallurgy | 73 | Expired |
| US4239819A | Deposition method and products | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6464845B2 | Manufacturing method and apparatus for making alkaline ionized water and acidic water | Chemistry; Metallurgy | 25 | Expired |
| US4836945A | Method for suppressing dust from bulk materials | Chemistry; Metallurgy | 23 | Expired |
| US4162345A | Deposition method and products | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4455443A | Nematic halogen Compound | Chemistry; Metallurgy | 18 | Expired |
| US6294073A | Manufacturing method and apparatus of alkaline ionized water | Chemistry; Metallurgy | 17 | Expired |
| US4008976A | Cutting tool and method for making same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7563377B1 | Method for removing iron deposits in a water system | Chemistry; Metallurgy | 16 | Active |
| US6235403A | Process of treating wood with preservative | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4040870A | Deposition method | Chemistry; Metallurgy | 15 | Expired |
| US4153483A | Deposition method and products | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4686197A | Catalyst demetallization and process for using demetallized catalyst | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4824814A | Catalyst treatment and process for using treated catalyst | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4800185A | Regeneraation of metal contaminated hydrocarbon conversion catalytsts | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4147820A | Deposition method and products | Chemistry; Metallurgy | 8 | Expired |
| US4144315A | Production of hydrogen fluoride | Chemistry; Metallurgy | 7 | Expired |
| US4806512A | Virgin catalyst treatment | Chemistry; Metallurgy | 5 | Expired |
| US5589590A | Process for the preparation of cyclodextrins or other compounds capable of producing clathrates with a gas | Chemistry; Metallurgy | 5 | Expired |
| US4828684A | Hydrogen production and catalyst demetallization process | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5314948A | Olefinic impact modifiers for, and blends with, thermoplastic polyester resins | Chemistry; Metallurgy | 3 | Expired |
| US6527846B1 | Glass-ceramic material for dental restoration and method for producing same | Chemistry; Metallurgy | 3 | Expired |
| US7608552B2 | Dental material or product and method of forming a dental product | Chemistry; Metallurgy | 3 | Expired |
| US4787968A | Catalyst demetallization and process for using demetallized catalyst | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.