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US4228090A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions containing platinum

Assignee: Johnson Matthey PLC
•
Filing: 1979-04-18
•
Granted: 1980-10-14
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Expires: 1999-04-18
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Abstract

Abstract A coordination compounds of platinum having the Structure: ##STR1## in which R is H or Me and pharmaceutical compositions containing them are disclosed.

Inventors

  • 👤 Paul C. Hydes
  • 👤 David M. Watkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:46
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/0006; C07F15/0086; C07F15/0093

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 16 words
A coordination compound of platinum having the structure: ##STR4## in which R is H or Me.
Claim 2
Dependent Claim 16 words
A coordination compound of platinum having the structure: ##STR4## in which R is H or Me.

References Cited (Backward Citations)

US4140707A Cited
US4140707B1 Cited
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) 1983-10-14 1984-04-14 1984-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-10-14 1988-04-14 1988-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-10-14 1992-04-14 1992-10-14 $7700.00 Window Closed / Lapsed

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