US3368944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray-contrast medium with a density of 0.8-1.1
Assignee: STIG JOHS GUSTAV SANDMARK
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Filing: 1965-02-09
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Granted: 1968-02-13
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Expires: 1985-02-09
Abstract
No abstract record available.
Inventors
- 👤 Sandmark Stig Johs Gustav
- 👤 Hagstam Ernst Helmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:05
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0409; A61K49/0404; A61K49/0433; A61K49/0442; Y; Y10; Y10S; Y10S424/00; Y10S424/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN X-RAY CONTRAST MEDIUM COMPRISING AN X-RAY ABSORBER COMPRISING A MEMBER OF THE GROUP CONSISTING OF BARIUM SULPHATE, BISMUTH SUBCABONTE, THORIUM OXIDE AND IODINE, A PARTICULATE, THERAPEUTICALLY ACCEPTABLE RESIN FOAM COMPRISING A MEMBER OF THE GROUP CONSISTING OF POLYSTYRENES, POLYETHYLENES AND UREA RESINS, WATER, AND AT MOST 1% BASED ON THE X-RAY CONTRAST MEDIUM OF A NON-TOXIC THICKENING AGENT OF THE GROUP CONSISTING OF THICKENERS OF SEAWEED ORIGIN, BEGETABLE GUMS AND WATER SOLUBLE CELLULOSE ESTERS, THE PROPORTION OF SAID COMPONENTS BEING SUCH THAT THE X-RAY CONTRAST MEDIUM HAS A DENSITY OF 0.8 TO 1.1 G./CM3.
Claim 2
Dependent Claim
95 words
AN X-RAY CONTRAST MEDIUM COMPRISING AN X-RAY ABSORBER COMPRISING A MEMBER OF THE GROUP CONSISTING OF BARIUM SULPHATE, BISMUTH SUBCABONTE, THORIUM OXIDE AND IODINE, A PARTICULATE, THERAPEUTICALLY ACCEPTABLE RESIN FOAM COMPRISING A MEMBER OF THE GROUP CONSISTING OF POLYSTYRENES, POLYETHYLENES AND UREA RESINS, WATER, AND AT MOST 1% BASED ON THE X-RAY CONTRAST MEDIUM OF A NON-TOXIC THICKENING AGENT OF THE GROUP CONSISTING OF THICKENERS OF SEAWEED ORIGIN, BEGETABLE GUMS AND WATER SOLUBLE CELLULOSE ESTERS, THE PROPORTION OF SAID COMPONENTS BEING SUCH THAT THE X-RAY CONTRAST MEDIUM HAS A DENSITY OF 0.8 TO 1.1 G./CM3.
References Cited (Backward Citations)
GB657979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |