US3130163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration method
Assignee: Royal Super Ice Co
•
Filing: 1962-01-17
•
Granted: 1964-04-21
•
Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Avera Fitzhugh Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:18
CPC Classifications
C; C08; C08B; C08B37/00; C07; C07H; C07H3/00; C07H3/06; C08B11/00; C08B11/02; C08B11/04; C08B11/10; C08B11/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF REFRIGERATION WHICH CONSISTS IN THE SELECTION AND USE OF A REFRIGERANT GEL COMPOSED OF APPROXIMATELY 98- PERCENT WATER AND APPROXIMATELY 2 PERCENT THE REACTION PRODUCT OF ANHYDROGLUCOSESODIUMGLYCOLATE AND WATER-SOLUBLE METAL SALT TAKEN FROM THE CLASS CONSISTING OF NORMAL BISMUTH SULFATE, FERROUS SULFATE, ALUMINUM SULFATE, MANGANESE SULFATE AND ALUMINUM CHLORIDE, SAID REACTION PRODUCT FORMING A LINKED STRUCTURE ENTRAINING SAID WATER IN A STABLE GEL, AND SAID ANHYDROGLUCOSESDOIUMGLYCOLATE AND SALT BEING REACTED IN SUBSTANTIALLY STOICHIOMETRIC PROPORTIONS THEREBY LEAVING SAID WATER IN SUBSTANTIALLY DISSOLVED SOLIDS-FREE STATE; FREEZING SAID GEL; PLACING THE FROZEN GEL IN HEAT TRANSFER RELATION TO BE COOLED; AND PERMITTING SAID FROZEN GEL TO THAW WHILE IN SAID RELATION.
Claim 2
Independent Claim
111 words
THE METHOD OF REFRIGERATION WHICH CONSISTS IN THE SELECTION AND USE OF A REFRIGERANT GEL COMPOSED OF APPROXIMATELY 98- PERCENT WATER AND APPROXIMATELY 2 PERCENT THE REACTION PRODUCT OF ANHYDROGLUCOSESODIUMGLYCOLATE AND WATER-SOLUBLE METAL SALT TAKEN FROM THE CLASS CONSISTING OF NORMAL BISMUTH SULFATE, FERROUS SULFATE, ALUMINUM SULFATE, MANGANESE SULFATE AND ALUMINUM CHLORIDE, SAID REACTION PRODUCT FORMING A LINKED STRUCTURE ENTRAINING SAID WATER IN A STABLE GEL, AND SAID ANHYDROGLUCOSESDOIUMGLYCOLATE AND SALT BEING REACTED IN SUBSTANTIALLY STOICHIOMETRIC PROPORTIONS THEREBY LEAVING SAID WATER IN SUBSTANTIALLY DISSOLVED SOLIDS-FREE STATE; FREEZING SAID GEL; PLACING THE FROZEN GEL IN HEAT TRANSFER RELATION TO BE COOLED; AND PERMITTING SAID FROZEN GEL TO THAW WHILE IN SAID RELATION.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |