US2840506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gastro-intestinal therapeutic composition containing urea and carbon dioxide
Assignee: CHARLES E VANDERKLEED
•
Filing: 1957-02-06
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Granted: 1958-06-24
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Expires: 1977-02-06
Abstract
No abstract record available.
Inventors
- 👤 David J Goodfriend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:07
CPC Classifications
A; A61; A61K; A61K33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN AQUEOUS COMPOSITION FOR THE TREATMENT GASTRODUODENAL PEPTIC ULCER AND PEPTIC ULCER SYNDROME COMPRISING WATER SATURATED WITH CARBON DIOXIDE GAS, ABOUT 3% BY WEIGHT OF UREA, AND A WATER-SOLUBLE BUFFER TO MAINTAIN THE SOLUTION AT A PH FROM 6.0 TO 7 AT ROOM TEMPERATURE.
Claim 2
Dependent Claim
44 words
AN AQUEOUS COMPOSITION FOR THE TREATMENT GASTRODUODENAL PEPTIC ULCER AND PEPTIC ULCER SYNDROME COMPRISING WATER SATURATED WITH CARBON DIOXIDE GAS, ABOUT 3% BY WEIGHT OF UREA, AND A WATER-SOLUBLE BUFFER TO MAINTAIN THE SOLUTION AT A PH FROM 6.0 TO 7 AT ROOM TEMPERATURE.
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |