Patent US2809893A successfully refreshed from Google Patents.
US2809893A
Expired / Lapsed
US
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Gel-forming composition and method of manufacture
Assignee: Avoset Co
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Filing: 1955-05-19
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Granted: 1957-10-15
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Expires: 1975-05-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Poarch
- 👤 George W Twieg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:03
CPC Classifications
A; A23; A23L; A23L29/00; A23L29/20; A23L29/206; A23L29/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A DRY POWDERED MIXTURE ADAPTED TO FROM AN EDIBLE GEL UPON THE ADDITION THERETO OF WATER COMPRISING A CALCIUM SALT OF LIMITED SOLUBILITY IN WATER AND THE SOLUTE OBTAINED FROM AN AQUEOUS CALCIUM SALT-FREE SOLUTION OF: AN ALKALI METAL ALGINATE; SODIUM HEXAMETAPHOSPHATE; AND SODIUM CITRATE.
Claim 2
Dependent Claim
45 words
A DRY POWDERED MIXTURE ADAPTED TO FROM AN EDIBLE GEL UPON THE ADDITION THERETO OF WATER COMPRISING A CALCIUM SALT OF LIMITED SOLUBILITY IN WATER AND THE SOLUTE OBTAINED FROM AN AQUEOUS CALCIUM SALT-FREE SOLUTION OF: AN ALKALI METAL ALGINATE; SODIUM HEXAMETAPHOSPHATE; AND SODIUM CITRATE.
References Cited (Backward Citations)
US2441729A
Cited
US2701767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |