SCHERING CORPORATION
3,228Patents
325Active
3,228Granted
49Portfolio score
Filing activity: Oct 1, 1970 → Apr 23, 2012 · 320 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4647447A | Diagnostic media | Chemistry; Metallurgy | 412 | Expired |
| US4466442A | Carrier liquid solutions for the production of gas microbubbles, preparation thereof, and use thereof as contrast medium for ultrasonic diagnostics | Human Necessities | 348 | Expired |
| US5425366A | Ultrasonic contrast agents for color Doppler imaging | Physics | 292 | Expired |
| US4657756A | Microbubble precursors and apparatus for their production and use | Human Necessities | 283 | Expired |
| US4442843A | Microbubble precursors and methods for their production and use | Human Necessities | 271 | Expired |
| US4681119A | Method of production and use of microbubble precursors | Human Necessities | 241 | Expired |
| US4136145A | Medicament carriers in the form of film having active substance incorporated therein | Human Necessities | 238 | Expired |
| US5410516A | Ultrasonic processes and circuits for performing them | Physics | 219 | Expired |
| US5141738A | Ultrasonic contrast medium comprising gas bubbles and solid lipophilic surfactant-containing microparticles and use thereof | Human Necessities | 217 | Expired |
| US5021236A | Method of enhancing NMR imaging using chelated paramagnetic ions bound to biomolecules | Emerging Cross-Sectional Technologies | 213 | Expired |
| US6454743B1 | Injection device | Human Necessities | 201 | Expired |
| US5380411A | Ultrasound or shock wave work process and preparation for carrying out same | Human Necessities | 187 | Expired |
| US5687710A | Inhaler for powdered medications having spiral deagglomeration chamber | Human Necessities | 187 | Expired |
| US5195520A | Ultrasonic manometry process in a fluid by means of microbubbles | Human Necessities | 182 | Expired |
| US4136162A | Medicament carriers in the form of film having active substance incorporated therein | Human Necessities | 172 | Expired |
| US4755386A | Buccal formulation | Human Necessities | 154 | Expired |
| US5017691A | Mammalian interleukin-4 | Chemistry; Metallurgy | 151 | Expired |
| US4450164A | Imidazo[1,2-A]pyridines and use | Chemistry; Metallurgy | 145 | Expired |
| US4929641A | Mercapto-acylamino acid antihypertensives | Chemistry; Metallurgy | 141 | Expired |
| US5693310A | Amide complexes | Human Necessities | 139 | Expired |
| US6578003B1 | Method and apparatus for improving patient compliance with prescriptions | Physics | 139 | Expired |
| US5829434A | Inhaler for powdered medications | Human Necessities | 139 | Expired |
| US5740792A | Inhaler for powdered medications with gear-teeth counter assembly | Human Necessities | 137 | Expired |
| US5908621A | Polyethylene glycol modified interferon therapy | Human Necessities | 137 | Expired |
| US4291688A | Inhalation device | Human Necessities | 134 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.