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US4542147A Expired / Lapsed US ⏱️ 0.0 years remaining

Perfluoro-1-azatricyclic amine compound

Assignee: Tanabe Pharma Corp
•
Filing: 1983-06-17
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Granted: 1985-09-17
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Expires: 2003-06-17
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Abstract

Abstract A novel compound of the formula, <IMAGE> wherein k is zero or an integer of 1 to 2, j is an integer of from 1 to 3, l and m are each zero or an integer of from 1 to 3, and n is an integer of from 1 to 4, the rings A, B and C being optionally substituted with at least one trifluoromethyl group or tetrafluoroethyl group is prepared by reacting the perhydro compound corresponding thereto with fluorine. The compound is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Inventors

  • 👤 Kazumasa Yokoyama
  • 👤 Chikara Fukaya
  • 👤 Yoshio Tsuda
  • 👤 Taizo Ono
  • 👤 Yoshio Arakawa
  • 👤 Yoshihisa Inoue
  • 👤 Youichiro Naito
  • 👤 Tadakazu Suyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:39
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0026; C; C07; C07D; C07D453/00; C07D453/02; C07D471/00; C07D471/02; C07D471/08; C07D487/00; C07D487/02; C07D487/08; C25; C25B; C25B3/00; C25B3/01; C25B3/05; C25B3/09; C25B3/11; C25B3/20; C25B3/27; C25B3/28

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 26 words
A perfluoro-1-azatricyclic amine compound of the formula: ##STR115## any carbon of the formula being optionally substituted with at least one trifluoromethyl group or one pentafluoroethyl group.
Claim 2
Dependent Claim 26 words
A perfluoro-1-azatricyclic amine compound of the formula: ##STR115## any carbon of the formula being optionally substituted with at least one trifluoromethyl group or one pentafluoroethyl group.
Claim 3
Dependent Claim 29 words
A composition for use as a blood substitute or infusion fluid which composition is an aqueous emulsion of a compound of the formula given and defined in claim 1.
Claim 4
Dependent Claim 25 words
A composition according to claim 2, which contains from 5 to 50% (W/V) of the compound of the formula given and defined in claim 1.
Claim 5
Dependent Claim 15 words
A composition according to claim 2, which contains, as emulsifier, a nonionic surfactant and/or phospholipid.

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) 1988-09-16 1989-03-18 1989-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-09-16 1993-03-18 1993-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-09-16 1997-03-18 1997-09-17 $7700.00 Window Closed / Lapsed

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