Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4512924A | Pyridazo[1,2-a][1,2]diazepines | Hoffmann La Roche Inc | Expired / Lapsed | 1983-05-12 | 1985-04-23 | 2003-05-12 | 0.0 yrs | 34 | |
| US4432895A | Monomeric interferons | Hoffmann La Roche Inc | Expired / Lapsed | 1982-11-24 | 1984-02-21 | 2002-11-24 | 0.0 yrs | 14 | |
| US4289689A | Preparation of homogeneous human fibroblast interferon | Hoffmann La Roche Inc | Expired / Lapsed | 1980-06-19 | 1981-09-15 | 2000-06-19 | 0.0 yrs | 12 | |
| US4143770A | Method and apparatus for color recognition and defect detection of objects such as capsules | Hoffmann La Roche Inc | Expired / Lapsed | 1976-06-23 | 1979-03-13 | 1996-06-23 | 0.0 yrs | 102 | |
| US4082188A | Apparatus for color recognition and defect detection of objects such as capsules | Hoffmann La Roche Inc | Expired / Lapsed | 1976-06-23 | 1978-04-04 | 1996-06-23 | 0.0 yrs | 36 |