US2801203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray method of digestive enzyme diagnosis using protected core of contrast agent
Assignee: Takeda GmbH
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Filing: 1952-03-21
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Granted: 1957-07-30
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Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Leb Anton
- 👤 Lidl Hans
- 👤 Gager Romuald
- 👤 Muntean Eugen
- 👤 Schauenstein Erwin
- 👤 Keintzel Ernst
- 👤 Bolz Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:03
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF DIAGNOSING MALFUNCTIONING OF THE DIGESTIVE PROCESS IN HUMANS BY TESTING FOR THE PRESENCE AND ACTIVITY OF A HUMAN DEGISTIVE FERMENT IN VIVO WHICH COMPRISES ORALLY ADMINISTERING A DIAGNOSTIC AGENT COMPRISING A CORE OF A WATER-INSOLUBLE X-RAY CONTRAST AGENT, INCAPABLE OF RESORPTION, SAID CORE BEING COATED WITH A CONTINUOUS LAYER OF WATER-INSOLUBLE, NON-SWELLING FOODSTUFF SPECIFICALLY DIGESTIBLE BY SAID FERMENT, AND MEASURING THE TIME OF DISINTEGRATION OF SAID FOODSTUFF LAYER IN THE HUMAN ALIMENTARY TRACT BY X-RAY OBSERVATION.
Claim 2
Independent Claim
79 words
THE METHOD OF DIAGNOSING MALFUNCTIONING OF THE DIGESTIVE PROCESS IN HUMANS BY TESTING FOR THE PRESENCE AND ACTIVITY OF A HUMAN DEGISTIVE FERMENT IN VIVO WHICH COMPRISES ORALLY ADMINISTERING A DIAGNOSTIC AGENT COMPRISING A CORE OF A WATER-INSOLUBLE X-RAY CONTRAST AGENT, INCAPABLE OF RESORPTION, SAID CORE BEING COATED WITH A CONTINUOUS LAYER OF WATER-INSOLUBLE, NON-SWELLING FOODSTUFF SPECIFICALLY DIGESTIBLE BY SAID FERMENT, AND MEASURING THE TIME OF DISINTEGRATION OF SAID FOODSTUFF LAYER IN THE HUMAN ALIMENTARY TRACT BY X-RAY OBSERVATION.
References Cited (Backward Citations)
US1815902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |