US2992998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fructoheptonate inhibited alkaline detergent solutions
Assignee: Olin Corp
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Filing: 1956-03-19
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Granted: 1961-07-18
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Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Karabinos
- 👤 Edwin J Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:11
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN THE WASHING OF ARTICLES WITH WATER CONTAINING DISSOLVED CALCIUM AND MAGNESIUM SALTS WITH CAUSTIC ALKALI SOLUTIONS, THE METHOD OF INHIBITING THE FORMATION OF FILMS AND PRECIPITATES ON THE ARTICLES BEING WASHED WHICH COMPRISES INCORPORATING INTO THE WASH SOLUTION IN AT LEAST AN AMOUNT SUFFICIENT TO INHIBIT THE FORMATION OF SAID FILMS AND PRECIPITATES, THE MIXTURE OF FRUCTOHEPTONIC ACIDS RESULTING FROM THE CYANIDE CARBOXYLATION OF FRUCTOSE.
Claim 2
Dependent Claim
66 words
IN THE WASHING OF ARTICLES WITH WATER CONTAINING DISSOLVED CALCIUM AND MAGNESIUM SALTS WITH CAUSTIC ALKALI SOLUTIONS, THE METHOD OF INHIBITING THE FORMATION OF FILMS AND PRECIPITATES ON THE ARTICLES BEING WASHED WHICH COMPRISES INCORPORATING INTO THE WASH SOLUTION IN AT LEAST AN AMOUNT SUFFICIENT TO INHIBIT THE FORMATION OF SAID FILMS AND PRECIPITATES, THE MIXTURE OF FRUCTOHEPTONIC ACIDS RESULTING FROM THE CYANIDE CARBOXYLATION OF FRUCTOSE.
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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |