US4038379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for roentgenoscopy of the gastrointestinal tract containing a polysaccharide stabilizer
Assignee: Individual
•
Filing: 1976-03-24
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Granted: 1977-07-26
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Expires: 1996-03-24
Abstract
Abstract A substance for roentgenoscopy of the gastrointestinal tract, comprising barium sulphate in an amount of 5 to 40 per cent by weight, as stabilizer a polysaccharide of β-1,3-α-1,4-α-1,6-glucopyranosylglucose in an amount of 0.3 to 0.6 per cent by weight, and the rest being water. Said substance remains stable for 90 days and, with periodic resuspending, for 1 year and longer.
Inventors
- 👤 Nikolai Petrovich Elinov
- 👤 Isaak Yakovlevich Gurevich
- 👤 Afrikan Nikolaevich Dranishnikov
- 👤 Nina Efimovna Goncharova
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:53
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0404
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
32 words
A composition for roentgenoscopy of the gastrointestinal tract, comprising 5 to 40 percent by weight of barium sulphate, 0.3 to 0.6 percent by weight of polysaccharide of β-1,3-α-1,4-α-1,6-glucopyranosylglucose, the rest being water.
Claim 2
Dependent Claim
32 words
A composition for roentgenoscopy of the gastrointestinal tract, comprising 5 to 40 percent by weight of barium sulphate, 0.3 to 0.6 percent by weight of polysaccharide of β-1,3-α-1,4-α-1,6-glucopyranosylglucose, the rest being water.
Claim 3
Dependent Claim
16 words
The composition according to claim 1, also containing 5 to 7 percent by weight of glycerin.
Claim 4
Dependent Claim
15 words
The composition according to claim 1, also containing about 0.001 percent by weight of merthiolate.
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) | 1980-07-25 | 1981-01-24 | 1981-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-25 | 1985-01-24 | 1985-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-25 | 1989-01-24 | 1989-07-26 | $7700.00 | Window Closed / Lapsed |