Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4451397A | Method of preparing collagen products | Centre Technique Cuir Chaussure Maroquinerie | Expired / Lapsed | 1982-11-22 | 1984-05-29 | 2002-11-22 | 0.0 yrs | 8 | |
| US3873478A | Polyurethane-protein composition and process for making same | Centre Technique Cuir Chaussure Maroquinerie | Expired / Lapsed | 1973-07-30 | 1975-03-25 | 1993-07-30 | 0.0 yrs | 10 |