Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5183663A | Treating skin lesions | Hercules LLC | Expired / Lapsed | 1989-06-07 | 1993-02-02 | 2009-06-07 | 0.0 yrs | 2 | |
| US4678684A | Method for impregnating a thermoplastic polymer | Hercules LLC | Expired / Lapsed | 1986-03-21 | 1987-07-07 | 2006-03-21 | 0.0 yrs | 13 | |
| US3839255A | Method of preparing polymer gels using chelated aluminum salt | Hercules LLC | Expired / Lapsed | 1973-05-10 | 1974-10-01 | 1993-05-10 | 0.0 yrs | 13 | |
| US3680963A | Apparatus for measuring changes in the optical refractive index of fluids | Hercules LLC | Expired / Lapsed | 1970-09-04 | 1972-08-01 | 1990-09-04 | 0.0 yrs | 5 | |
| US3597676A | Thermistor circuit for use in an angular movement sensing device | Hercules LLC | Expired / Lapsed | 1969-06-05 | 1971-08-03 | 1989-06-05 | 0.0 yrs | 4 |