Periproducts Ltd
14Patents
2Active
14Granted
34Portfolio score
Filing activity: Sep 27, 1982 → Dec 4, 2015
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5840332A | Gastrointestinal drug delivery system | Human Necessities | 204 | Expired |
| US6197331A | Pharmaceutical oral patch for controlled release of pharmaceutical agents in the oral cavity | Human Necessities | 141 | Expired |
| US5425953A | Polymer composition for tooth bleaching and other dental uses thereof | Human Necessities | 115 | Expired |
| US5438076A | Liquid polymer composition, and method of use | Human Necessities | 97 | Expired |
| US5160737A | Liquid polymer composition, and method of use | Human Necessities | 88 | Expired |
| US6231888A | Local delivery of non steroidal anti inflammatory drugs (NSAIDS) to the colon as a treatment for colonic polyps | Human Necessities | 60 | Expired |
| US5639795A | Liquid polymer composition, and method of use | Human Necessities | 49 | Expired |
| US5648399A | Liquid polymer composition and method of use | Human Necessities | 33 | Expired |
| US5525634A | Colonic drug delivery system | Chemistry; Metallurgy | 30 | Expired |
| US5866619A | Colonic drug delivery system | Chemistry; Metallurgy | 26 | Expired |
| US5849266A | Dental composition for hypersensitive teeth | Human Necessities | 17 | Expired |
| USD277231S | Periodontic stimulator | General | 4 | Expired |
| US9408788B2 | Multicomponent oral care composition | Human Necessities | 0 | Active |
| US9211240B2 | Multicomponent oral care composition | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.