Hoechst UK Limited
12Patents
0Active
12Granted
30Portfolio score
Filing activity: Nov 4, 1981 → Aug 15, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5470603A | Electrostatic coating of substrates of medicinal products | Performing Operations; Transporting | 95 | Expired |
| US5656080A | Electrostatic coating of substrates of medicinal products | Performing Operations; Transporting | 42 | Expired |
| US5224630A | Pressurized container having double walls and safety venting feature | Performing Operations; Transporting | 12 | Expired |
| US4474793A | 7-Oxo-4-thia-1-aza[3,2,0]heptane and 7-oxo-4-thia-1-aza[3,2,0]hept-2-ene derivatives | Chemistry; Metallurgy | 8 | Expired |
| US4795748A | Antibacterial 7-oxo-4-thia-1-azabicyclo[3,2,0]hept-2-ene derivatives | Chemistry; Metallurgy | 6 | Expired |
| US4526718A | 3,3-Di(acylthio)-2(4-allylthioazetidin-2-on-1-yl)propenoic acid ester compounds | Chemistry; Metallurgy | 5 | Expired |
| US4738959A | Antibacterial penem derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4675396A | 7-Oxo-4-thia-1-azabicyclo(3,2,0)heptane derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4772692A | Intermediate compounds for the preparation of antibacterial penem derivatives | Chemistry; Metallurgy | 0 | Expired |
| US4649145A | Thiazole derivatives | Chemistry; Metallurgy | 0 | Expired |
| US4650893A | Bis-imido carbonate sulphones | Chemistry; Metallurgy | 0 | Expired |
| US4849419A | 7-oxo-4-thia-azabicyclo[3,2,0]hept-2-ene derivatives | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.