Patent US3794630A successfully refreshed from Google Patents.
US3794630A
Expired / Lapsed
US
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Protein allergenic extracts reacted with dialdehydes
Assignee: Beecham Group PLC
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Filing: 1970-07-30
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Granted: 1974-02-26
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Expires: 1990-07-30
Abstract
Abstract DESENSITIZING OR IMMUNIZING AGENTS ARE PROVIDED FOR TREATING HYPERSENSITIVE OR ALLERGIC CONDITIONS. MODIFIED ALLERGENIC MATERIAL IS PREPARED COMPRISING AN ALLERGENIC PROTEIN OR GLYCOPROTEIN CROSSLINKED INTERMOLECULARLY OR INTRAMOLECULARY WITH A POLYALDEHYDE, A POLYKETONE, A CARBODIIMIDE, AN EPIHALOHYDRIN, OR AN INORGANIC CYANATE. THE MODIFIED MATERIAL HAS REDUCED ALLERGENICITY RELATIVE TO THE UNCROSSLINKED ALLERGEN AND HAS THE ABILITY TO PRODUCE ANTIBODIES HAVING CROSS-SPECIFICITY FOR THE UNCROSSLINKED ALLERGENIC PROTEIN OR GLYCORPROTEIN. A METHOD FOR THEIR PRODUCTION IS DISCLOSED.
Inventors
- 👤 N Mullan
- 👤 B Overell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/35; A61K39/36; A61K2039/60; A61K2039/6012; Y; Y10; Y10S; Y10S436/00; Y10S436/805; Y10S436/811; Y10S530/00; Y10S530/806
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |