US2683092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified sugar cane wax and method of preparation
Assignee: SC Johnson and Son Inc
•
Filing: 1952-05-15
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Granted: 1954-07-06
•
Expires: 1972-05-15
Abstract
No abstract record available.
Inventors
- 👤 Donald E Whyte
- 👤 Edward A Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD OF TREATING REFINED SUGAR CANE WAX HAVING A SOLUBLE CONTENT OF AT LEAST 97% BY WEIGHT IN BOILING ISOPROPANOL, WHICH COMPRISES MIXING SAID WAX WITH FROM 3 TO 20% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ROSIN ACIDS, ROSIN-MALEIC ANHYDRIDE ADDITION PRODUCTS, ROSIN ESTERS AND MIXTURES THEREOF, MELTING SAID WAX AND SAID MATERIAL AND MAINTAINING THE MOLTEN MIXTURE AT A TEMPERATURE OF FROM 80* TO 155* C., WHILE INTRODUCING AND DISPERSING OXYGEN-CONTAINING GAS INTO SAID MIXTURE UNTIL THE ACID NUMBER HAS INCREASED TO AT LEAST 25, BUT NOT MORE THAN 38.
Claim 2
Independent Claim
97 words
A METHOD OF TREATING REFINED SUGAR CANE WAX HAVING A SOLUBLE CONTENT OF AT LEAST 97% BY WEIGHT IN BOILING ISOPROPANOL, WHICH COMPRISES MIXING SAID WAX WITH FROM 3 TO 20% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ROSIN ACIDS, ROSIN-MALEIC ANHYDRIDE ADDITION PRODUCTS, ROSIN ESTERS AND MIXTURES THEREOF, MELTING SAID WAX AND SAID MATERIAL AND MAINTAINING THE MOLTEN MIXTURE AT A TEMPERATURE OF FROM 80* TO 155* C., WHILE INTRODUCING AND DISPERSING OXYGEN-CONTAINING GAS INTO SAID MIXTURE UNTIL THE ACID NUMBER HAS INCREASED TO AT LEAST 25, BUT NOT MORE THAN 38.
References Cited (Backward Citations)
US2261091A
Cited
US2371473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |