IMPERIAL CHEMICAL INDUSTRIES LIMITED
🏢 View company profile →3,854Patents
11Active
3,854Granted
47Portfolio score
Filing activity: Jun 12, 1959 → Mar 4, 2009 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4054697A | Decorative sheet material | Emerging Cross-Sectional Technologies | 512 | Expired |
| US4935105A | Methods of operating enzyme electrode sensors | Emerging Cross-Sectional Technologies | 454 | Expired |
| US4526938A | Continuous release formulations | Chemistry; Metallurgy | 410 | Expired |
| US4832797A | Enzyme electrode and membrane | Chemistry; Metallurgy | 391 | Expired |
| US4919767A | Sensor and method for analyte determination | Emerging Cross-Sectional Technologies | 376 | Expired |
| US4767628A | Continuous release pharmaceutical compositions | Emerging Cross-Sectional Technologies | 333 | Expired |
| US4323525A | Electrostatic spinning of tubular products | Emerging Cross-Sectional Technologies | 283 | Expired |
| US4043331A | Fibrillar product of electrostatically spun organic material | Emerging Cross-Sectional Technologies | 213 | Expired |
| US4403003A | Article having basecoat/clearcoat and process for coating | Chemistry; Metallurgy | 211 | Expired |
| US4071424A | Photopolymerizable composition | Emerging Cross-Sectional Technologies | 188 | Expired |
| US4309758A | Driverless vehicle autoguided by light signals and three non-directional detectors | Physics | 185 | Expired |
| US4328545A | Driverless vehicle autoguide by light signals and two directional detectors | Physics | 178 | Expired |
| US4636505A | Amide derivatives | Chemistry; Metallurgy | 171 | Expired |
| US4580721A | Fluid container | Human Necessities | 169 | Expired |
| US4886740A | Enzyme-electrode sensor with organosilane treated membrane | Emerging Cross-Sectional Technologies | 164 | Expired |
| US4044404A | Fibrillar lining for prosthetic device | Emerging Cross-Sectional Technologies | 164 | Expired |
| US4745160A | Biodegradable amphipathic copolymers | Emerging Cross-Sectional Technologies | 161 | Expired |
| US4662887A | Prosthetic devices | Human Necessities | 153 | Expired |
| US4878908A | Fibrillar product | Emerging Cross-Sectional Technologies | 153 | Expired |
| US4829996A | Apparatus for producing a spray of droplets of a liquid | Performing Operations; Transporting | 143 | Expired |
| US5240941A | Thioxo quinoline compounds, composition and method of use | Human Necessities | 136 | Expired |
| US4220679A | Coating process | Chemistry; Metallurgy | 132 | Expired |
| US4191775A | Amide derivatives | Physics | 128 | Expired |
| US4320224A | Thermoplastic aromatic polyetherketones | Emerging Cross-Sectional Technologies | 128 | Expired |
| US4386080A | Anti-androgenic amide derivative | Chemistry; Metallurgy | 128 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.