US2554241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inert transdermal adhesive for use in making skin tests of specific biological reactions for various diseases
Assignee: National Jewish Health
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Filing: 1944-06-03
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Granted: 1951-05-22
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Expires: 1964-06-03
Abstract
No abstract record available.
Inventors
- 👤 Harry J Corper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:53
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/58; Y; Y10; Y10S; Y10S435/00; Y10S435/805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A LIQUID ESSENTIALLY NON-AQUEOUS DIAGNOSTIC ALLERGIC TESTING MATERIAL COMPRISING A NONIRRITATING MIXTURE OF A CELLULOSE ESTER DERIVATIVE PERVIOUS TO WATER, A POLYOXALKYLENE DERIVATIVE OF HEXITOL ANHYDRIDE LONG CHAIN FATTY ACID ESTER SOFTENING AGENT THEREOF AND AN INERT VOLATILE ORGANIC SOLVENT FOR SAID CELLULOSE DERIVATIVE AND SOFTENING AGENT WITH A TRANSDERMALLY ACTIVE AUTOLYTIC TUBERCULIN, SAID LIQUID BEING CAPABLE OF QUICKLY DRYING INTO A SKIN-ADHERENT FILM.
Claim 2
Dependent Claim
64 words
A LIQUID ESSENTIALLY NON-AQUEOUS DIAGNOSTIC ALLERGIC TESTING MATERIAL COMPRISING A NONIRRITATING MIXTURE OF A CELLULOSE ESTER DERIVATIVE PERVIOUS TO WATER, A POLYOXALKYLENE DERIVATIVE OF HEXITOL ANHYDRIDE LONG CHAIN FATTY ACID ESTER SOFTENING AGENT THEREOF AND AN INERT VOLATILE ORGANIC SOLVENT FOR SAID CELLULOSE DERIVATIVE AND SOFTENING AGENT WITH A TRANSDERMALLY ACTIVE AUTOLYTIC TUBERCULIN, SAID LIQUID BEING CAPABLE OF QUICKLY DRYING INTO A SKIN-ADHERENT FILM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |