US3792159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing injectionable compositions
Assignee: Beecham Group PLC
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Filing: 1972-07-10
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Granted: 1974-02-12
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Expires: 1992-07-10
Abstract
Abstract THIS INVENTION IS CONCERNED WITH A PROCESS FOR PREPARING FINELY DIVIDED MICRO-PARTICLES OF TYROSINE HAVING AN ALLERGEN DISPERSED THEREIN. THE MICRO-PRTICLES PREPARED ACCORDING TO THE INVENTION MAY BE SUSPENDED IN A PHYSIOLOGICALLY ACCEPTABLE LIQUID CARRIER TO PRODUCE AN INJECTONABLE COMPOSITION SUITABLE FOR USE IN THE DESENSITIZATION OF INDIVIDUALS WHO ARE SENSITIVE TO THE ALLERGEN.
Inventors
- 👤 A Pratt
- 👤 G Green
- 👤 B Coverell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1617; A61K39/00; A61K39/35; A61K39/36; A61K39/39; A61K2039/555; A61K2039/55511; A61K2039/55555
Claims Analysis
Total Claims: 0
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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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |