Hydron Limited
4Patents
0Active
4Granted
24Portfolio score
Filing activity: Nov 9, 1993 → Oct 15, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5391669A | Balanced charge polymer and hydrophilic contact lens manufactured therefrom | Physics | 20 | Expired |
| USD431720S | Containers | General | 6 | Expired |
| US6048371A | Process for preparing soft tinted lenses | Textiles; Paper | 1 | Expired |
| US6610895B2 | Process for the preparation of a diol | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.