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US4305935A Expired / Lapsed US ⏱️ 0.0 years remaining

Bone formation stimulant

Assignee: Teijin Ltd
•
Filing: 1980-04-09
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Granted: 1981-12-15
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Expires: 2000-04-09
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Abstract

Abstract This is a bone formation stimulant containing vitamin D 3 or its derivative and acetylsalicylic acid or its formaceutically permissible salt. The present bone formation stimulant is used to cure or prevent the diseases caused by the deficiency of vitamin D or related diseases by dosing human beings or animals with it.

Inventors

  • 👤 Hiroyuki Kawashima
  • 👤 Minoru Hayashi
  • 👤 Seiji Kurozumi
  • 👤 Yoshiki Suzuki
  • 👤 Yoshinobu Hashimoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:29
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/60; A61P; A61P3/00; A61P3/02; A61P3/12; A61P3/14

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 40 words
A composition for preventing bone salt dissoltuion caused by vitamin D 3 or its active derivatives which contains effective amounts of (1) vitamin D 3 or an active derivative thereof and (2) acetylsalicylic acid or a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim 40 words
A composition for preventing bone salt dissoltuion caused by vitamin D 3 or its active derivatives which contains effective amounts of (1) vitamin D 3 or an active derivative thereof and (2) acetylsalicylic acid or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim 32 words
A composition according to claim 1, wherein the derivative of vitamin D 3 is one or more vitamin D 3 derivatives selected from the group consisting of 1α-hydroxycholecalciferol, 1α,24(R)-dihydroxycholecalciferol, 1α,25-dihydroxycholecalciferol, and 24,25-dihydroxycholecalciferol.
Claim 4
Dependent Claim 34 words
A composition according to claim 1, containing 0.01 to 100×10 -6 part by weight of vitamin D 3 or said derivative per 1 part by weight of acetylsalicylic acid or said pharmaceutically acceptable salt.
Claim 5
Dependent Claim 25 words
A composition according to claim 1, wherein vitamin D 3 or said derivative thereof is stabilized by a β-cyclic dextrin to form an inclusion compound.

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) 1984-12-14 1985-06-15 1985-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-12-14 1989-06-15 1989-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-12-14 1993-06-15 1993-12-15 $7700.00 Window Closed / Lapsed

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