US2772301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improving gel strength of vegetable waxes
Assignee: SC Johnson and Son Inc
•
Filing: 1953-05-04
•
Granted: 1956-11-27
•
Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Edward A Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:01
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF IMPROVING THE GEL STRENGTH OF A WAX OF THE GROUP CONSISTING OF OURICURI, CARANDA, SUGAR CANE, DERESINATED CANDELILLA AND ESPARTO GRASS FOR USE IN POLISHES OF THE WAX-SOLVENT TYPE, COMPRISING ESTERIFYING FROM 40 TO 85% OF THE FREE HYDROXYL GROUPS OF SAID WAX WITH AN EXCESS OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF MALEIC, SUCCINIC AND GLUTARIC ANHYDRIDES AT A TEMPERATURE WITHIN THE RANGE OF 120 TO 150* C.
Claim 2
Independent Claim
74 words
A METHOD OF IMPROVING THE GEL STRENGTH OF A WAX OF THE GROUP CONSISTING OF OURICURI, CARANDA, SUGAR CANE, DERESINATED CANDELILLA AND ESPARTO GRASS FOR USE IN POLISHES OF THE WAX-SOLVENT TYPE, COMPRISING ESTERIFYING FROM 40 TO 85% OF THE FREE HYDROXYL GROUPS OF SAID WAX WITH AN EXCESS OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF MALEIC, SUCCINIC AND GLUTARIC ANHYDRIDES AT A TEMPERATURE WITHIN THE RANGE OF 120 TO 150* C.
References Cited (Backward Citations)
US2521553A
Cited
US2682516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |