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US4140707A Expired / Lapsed US ⏱️ 0.0 years remaining

Malonato platinum anti-tumor compounds

Assignee: RESEARCH Corp TECHNOLOGIES Inc 6840 EAST BROADWAY BLVD TUCSON AZ 85710 A NOT-FOR-PROFIT NON-STOCK CORP OF
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Filing: 1977-03-18
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Granted: 1979-02-20
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Expires: 1997-03-18
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Abstract

Abstract Malonato platinum coordination compounds and a method of treating malignant tumors comprising the parenteral administration to an affected animal of a solution of the compound.

Inventors

  • 👤 Michael J. Cleare
  • 👤 James D. Hoeschele
  • 👤 Barnett Rosenberg
  • 👤 Loretta L. Van Camp

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:58
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/0006; C07F15/0086; C07F15/0093; A; A61; A61P; A61P35/00

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 162 words
Platinum coordination compounds having the formula: [Pt(II)A.sub.x ((OOC).sub.2 --CRR.sub.1)] wherein: x = 1 or 2; R and R 1 are selected from the group consisting of H, lower alkyl, aryl, aralkyl, alkenyl, cycloalkyl, cycloalkenyl, alkoxy, OH, or combine with the carbon atom to form a cycloalkyl or cycloalkenyl group; when x = 1, A is HR 2 N--CHR 3 --CHR 4 --NR 5 H and when x = 2, A is H 2 NR 6 or an amino acid, wherein R 2 , R 3 , R 4 and R 5 are the same or different and are selected from the group consisting of H, CH 3 , C 2 H 5 , hydroxy and lower alkoxy, provided that R 2 and R 5 may also be aryl or aralkyl and each R 6 is the same or different and is selected from the group consisting of H, lower alkyl, aryl, aralkyl, hydroxy lower alkyl, hydroxyl- and alkoxylamines, and alkoxyl alkyl amines.
Claim 2
Dependent Claim 162 words
Platinum coordination compounds having the formula: [Pt(II)A.sub.x ((OOC).sub.2 --CRR.sub.1)] wherein: x = 1 or 2; R and R 1 are selected from the group consisting of H, lower alkyl, aryl, aralkyl, alkenyl, cycloalkyl, cycloalkenyl, alkoxy, OH, or combine with the carbon atom to form a cycloalkyl or cycloalkenyl group; when x = 1, A is HR 2 N--CHR 3 --CHR 4 --NR 5 H and when x = 2, A is H 2 NR 6 or an amino acid, wherein R 2 , R 3 , R 4 and R 5 are the same or different and are selected from the group consisting of H, CH 3 , C 2 H 5 , hydroxy and lower alkoxy, provided that R 2 and R 5 may also be aryl or aralkyl and each R 6 is the same or different and is selected from the group consisting of H, lower alkyl, aryl, aralkyl, hydroxy lower alkyl, hydroxyl- and alkoxylamines, and alkoxyl alkyl amines.
Claim 3
Dependent Claim 30 words
The compound of claim 1 having the formula: [Pt(II)A.sub.x ((OOC).sub.2 --CH.sub.2)] wherein: x = 1, and R 2 , r 3 , r 4 and R 5 are each H.
Claim 4
Dependent Claim 21 words
The compound of claim 1 having the formula: [Pt(II)A.sub.x ((OOC).sub.2 --CH.sub.2)] wherein: x = 2, and each R 6 is H.
Claim 5
Dependent Claim 4 words
Malonato diammine platinum (II).
Claim 6
Dependent Claim 4 words
Malonato diammine platinum (II).

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-02-19 1982-08-21 1983-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-02-19 1986-08-21 1987-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-02-19 1990-08-21 1991-02-20 $7700.00 Window Closed / Lapsed

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