Patent US2667268A successfully refreshed from Google Patents.
US2667268A
Expired / Lapsed
US
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Aqueous solution inert to gelatin
Assignee: Atlas Powder Co
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Filing: 1951-03-22
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Granted: 1954-01-26
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Expires: 1971-03-22
Abstract
No abstract record available.
Inventors
- 👤 William C Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:59
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/11; A61K8/18; A61K8/30; A61K8/33; A61K8/39; A61K9/00; A61K9/48; A61K9/4841; A61K9/4858; A61Q; A61Q19/00; Y; Y10; Y10S; Y10S206/00; Y10S206/828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A SEALED GELATIN CAPSULE, ENCLOSING A LIQUID VEHICLE OF AN AQUEOUS SOLUTION OF A POLYOXYALKYLENE ETHER OF AN ALIPHATIC POLYOL, CONTAINING FROM 6 TO 20 OXYALKYLENE GROUPS PER MOL OF POLYOL, WHEREIN THE OXYALKYLENE GROUP CONTAINS FROM 2 TO 3 CARBON ATOMS, AND WHERE THE ETHER CONSTITUTES AT LEAST 50% BY WEIGHT OF THE TOTAL OF WATER AND ETHER, BUT NOT MORE THAN 95% OF SAID TOTAL, SAID VEHICLE CARRYING A BODIED COMPONENT, NOT PER SE DELETERIOUS TO GELATIN.
Claim 2
Dependent Claim
79 words
A SEALED GELATIN CAPSULE, ENCLOSING A LIQUID VEHICLE OF AN AQUEOUS SOLUTION OF A POLYOXYALKYLENE ETHER OF AN ALIPHATIC POLYOL, CONTAINING FROM 6 TO 20 OXYALKYLENE GROUPS PER MOL OF POLYOL, WHEREIN THE OXYALKYLENE GROUP CONTAINS FROM 2 TO 3 CARBON ATOMS, AND WHERE THE ETHER CONSTITUTES AT LEAST 50% BY WEIGHT OF THE TOTAL OF WATER AND ETHER, BUT NOT MORE THAN 95% OF SAID TOTAL, SAID VEHICLE CARRYING A BODIED COMPONENT, NOT PER SE DELETERIOUS TO GELATIN.
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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |