Patent US3838577A successfully refreshed from Google Patents.
US3838577A
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Water crystallization
Assignee: Struthers Patent Corp
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Filing: 1973-04-30
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Granted: 1974-10-01
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Expires: 1993-04-30
Abstract
Abstract The direct contact crystallization of ice in water or aqueous beverages is carried out using a mixture of Freons having a boiling point at substantially atmospheric pressure in the desired temperature range.
Inventors
- 👤 N Graniaris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:12
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/90; A23B2/905; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12; C; C02; C02F; C02F1/00; C02F1/22; F; F25; F25C; F25C1/00; C02F2103/00; C02F2103/08; F25B; F25B2315/00; F25B2315/003; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
45 words
IN THE PROCESS OF FORMING ICE CRYSTALS IN A SOLUTION, THE STEP OF: INTRODUCING A MIXTURE OF FREONS 114 AND 12 IN PROPORTION BY WEIGHT RESPECTIVELY BETWEEN 90:10 AND 60:40 INTO THE SOLUTION TO FLASH INTO VAPOR THEREIN TO FORM ICE CRYSTALS IN THE SOLUTION.
Claim 2
Dependent Claim
45 words
IN THE PROCESS OF FORMING ICE CRYSTALS IN A SOLUTION, THE STEP OF: INTRODUCING A MIXTURE OF FREONS 114 AND 12 IN PROPORTION BY WEIGHT RESPECTIVELY BETWEEN 90:10 AND 60:40 INTO THE SOLUTION TO FLASH INTO VAPOR THEREIN TO FORM ICE CRYSTALS IN THE SOLUTION.
Claim 3
Dependent Claim
28 words
The process according to claim 1 wherein the mixture of Freons is a mixture of Freon 114 and Freon 12 in a proportion by weight of substantially 80:20.
Claim 4
Dependent Claim
13 words
The process according to claim 2 wherein the solution is a comestible solution.
Claim 5
Dependent Claim
12 words
The process according to claim 2 wherein the solution is sea water.
References Cited (Backward Citations)
US2641580A
Cited
US3364690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-30 | 1978-04-01 | 1978-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-30 | 1982-04-01 | 1982-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-30 | 1986-04-01 | 1986-10-01 | $7700.00 | Window Closed / Lapsed |