← Back to Patent Explorer
US3822348A Expired / Lapsed US ⏱️ 0.0 years remaining

Hormone-like substance having serum calcium reducing property

Assignee: Toyo Jozo KK
•
Filing: 1972-07-17
•
Granted: 1974-07-02
•
Expires: 1992-07-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A HORMONE-LIKE SUBSTANCE OF POLYEPTIDE TYPE HAVING SERUM CALCIUM REDUCING PROPERTY IN MAMMALS, WHICH IS ISOLATED FROM AN EEL, GENUS ANGUILLA, BY EXTRACTING HEART, PARTICUALRLY PERICARDIAL MEMBRANE AND/OR A TISSURE COMPRISING VENA CAVA ATTACHED TO OESOPHAGUS NEAR THE HEART WITH AN EXTRACTION SOLVENT, I.E. WATER, DILUTE ORGANIC ACID, DILUTE MINERAL ACID OR A MIXTURE OF WATER, HYDROPHILLIC ORGANIC SOLVENT AND AT LEAST ONE OF THE DILUTE ACIDS, AND REMOVING CONTAMINATING PROTEINS FROM THE RESULTING EXTRACT OR FROM AN EXTRACT LIQUID OBTAINED BY REMOVING SOLID FROM SAID EXTRACT. THE SUBSTANCE IS USEFUL FOR TREATMENT OF VARIOUS METABOLIC OSTEOLOGICAL DISEASE, FOR EXPAMPLE, OSTEOPETROSIS AND GERONOTOLOGICAL DISEASES. THE EELS USED ARE PREFERABLY THOSE BRED IN SEA WATER OR AN AQUEOUS SODIUM CHLORIDE SOLUTION SIMILAR IN COMPOSITION THERETO.

Inventors

  • 👤 T Take
  • 👤 S Watanabe
  • 👤 T Higashi
  • 👤 J Abe
  • 👤 M Otani

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:28
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/46; A; A61; A61K; A61K35/00; A61K35/56; A61K35/60; A61K38/00

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

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) 1977-07-01 1977-12-31 1978-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-01 1981-12-31 1982-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-01 1985-12-31 1986-07-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag