US4182724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing platinum
Assignee: Johnson Matthey PLC
•
Filing: 1978-08-18
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Granted: 1980-01-08
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Expires: 1998-08-18
Abstract
Abstract This invention relates to a compound of platinum having the structure: ##STR1## in which X and Y are halogenoid groups which are the same or different and are preferably both chloride but may be other halide or pseudohalide such as cyanate, thiocyanate and azide or other similar groups, and A and B are the same or different and are selected from the group consisting of ammonia, NH 3 and straight chain aliphatic amine groups co-ordinated to the Pt through their N atoms.
Inventors
- 👤 Martin L. Tobe
- 👤 Abdul R. Khokhar
- 👤 Peter D. M. Braddock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:53
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
An alkylamine platinum IV complex having the structure: ##STR5## wherein R is butyl, pentyl, octyl or 3-methoxypropyl.
Claim 2
Dependent Claim
17 words
An alkylamine platinum IV complex having the structure: ##STR5## wherein R is butyl, pentyl, octyl or 3-methoxypropyl.
References Cited (Backward Citations)
US4119654A
Cited
US4119653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-01-07 | 1983-07-09 | 1984-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-07 | 1987-07-09 | 1988-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-07 | 1991-07-09 | 1992-01-08 | $7700.00 | Window Closed / Lapsed |