Amgen Boulder Inc.
🏢 View company profile →3Patents
0Active
3Granted
25Portfolio score
Filing activity: Jun 7, 1991 → Mar 6, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5747639A | Use of hydrophobic interaction chromatography to purify polyethylene glycols | Human Necessities | 27 | Expired |
| US5843791A | TNF receptors, TNF binding proteins and DNAs coding for them | General | 3 | Revoked |
| US6132990A | Recombinant methods for production of serine protease inhibitors and DNA sequences useful for same | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.