US2708174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clinical dextran composition
Assignee: Commercial Solvents Corp
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Filing: 1952-11-15
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Granted: 1955-05-10
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Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
- 👤 Homer E Stavely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A61K31/715
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A STERILE NON-PYROGENIC THERAPEUTIC INFUSION FLUID COMPRISING A 6 PER CENT AQKUEOUS SOLUTION OF DEXTRAN MOLECULES HAVING A MOLECULAR WEIGHT DETERMINED BY LIGHT SCATTERING WHICH AVERAGES ABOUT 75,000+25,000 WITH THE LOWEST 5 TO 10% BEING NOT LESS THAN 25,000 AND THE HIGHEST 5 TO 10% BEING NOT MORE THAN 200,000 SAID DEXTRAN MOLECULES HAVING AN AVERAGE OF AT LEAST ABOUT 95% 1:6 GLUCOSE LINKAGES, AND SAID SOLUTION HAVING A VISCOSITY RANGING FROM ABOUT 2.5 TO ABOUT 3.5 CS. AT 25* C.
Claim 2
Dependent Claim
81 words
A STERILE NON-PYROGENIC THERAPEUTIC INFUSION FLUID COMPRISING A 6 PER CENT AQKUEOUS SOLUTION OF DEXTRAN MOLECULES HAVING A MOLECULAR WEIGHT DETERMINED BY LIGHT SCATTERING WHICH AVERAGES ABOUT 75,000+25,000 WITH THE LOWEST 5 TO 10% BEING NOT LESS THAN 25,000 AND THE HIGHEST 5 TO 10% BEING NOT MORE THAN 200,000 SAID DEXTRAN MOLECULES HAVING AN AVERAGE OF AT LEAST ABOUT 95% 1:6 GLUCOSE LINKAGES, AND SAID SOLUTION HAVING A VISCOSITY RANGING FROM ABOUT 2.5 TO ABOUT 3.5 CS. AT 25* C.
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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |