Patent US4256652A successfully refreshed from Google Patents.
US4256652A
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Platinum complex
Assignee: Western Atlas International Inc
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Filing: 1979-06-08
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Granted: 1981-03-17
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Expires: 1999-06-08
Abstract
Abstract Cis-platinum (II) complexes wherein platinum (II) coordinates 1,2-diamino-cyclohexane (cis-, trans-l-or trans-d-) are disclosed. The complexes exhibit anti-tumor activity.
Inventors
- 👤 Yoshinori Kidani
- 👤 Masahide Noji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:14
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/0006; C07F15/0086; C07F15/0093; A; A61; A61P; A61P35/00; A61P35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
Cis-Pt(II)(trans-l-1,2-diaminocyclohexane)SO 4 .
Claim 2
Dependent Claim
3 words
Cis-Pt(II)(trans-l-1,2-diaminocyclohexane)SO 4 .
References Cited (Backward Citations)
US4115418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-16 | 1984-09-15 | 1985-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-16 | 1988-09-15 | 1989-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-16 | 1992-09-15 | 1993-03-17 | $7700.00 | Window Closed / Lapsed |