US2521553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a modified candelilla wax
Assignee: Mamaroneck Chemical Corp
•
Filing: 1946-02-16
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Granted: 1950-09-05
•
Expires: 1966-02-16
Abstract
No abstract record available.
Inventors
- 👤 Cyril S Treacy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:01
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR PRODUCING A MODIFIED CANDELILLA WAX WHICH COMPRISES REACTING RAW CONDELILLA WAX WITH FROM ABOUT TWO TO SIX PER CENT BY WEIGHT OF AN ACIDIC REACTANT SELECTED FROM THE GROUP CONSISTING OF ORGANIC ACIDS AND THEIR ANHYDRIDES AT A TEMPERATURE ABOVE THE BOILING POINT OF WATER AT WHICH WATER OF CONDENSATION IS LIBERATED, AND UNTIL ESTERIFICATION HAS OCCURED WHEREBY A MODIFIED CANDELILLA WAX PRODUCT IS OBTAINED HAVING LESS TACKINESS AND A HIGHER MELTING POINT THAN THE RAW CANDELILLA WAX FROM WHICH IT IS PRODUCED.
Claim 2
Dependent Claim
86 words
A PROCESS FOR PRODUCING A MODIFIED CANDELILLA WAX WHICH COMPRISES REACTING RAW CONDELILLA WAX WITH FROM ABOUT TWO TO SIX PER CENT BY WEIGHT OF AN ACIDIC REACTANT SELECTED FROM THE GROUP CONSISTING OF ORGANIC ACIDS AND THEIR ANHYDRIDES AT A TEMPERATURE ABOVE THE BOILING POINT OF WATER AT WHICH WATER OF CONDENSATION IS LIBERATED, AND UNTIL ESTERIFICATION HAS OCCURED WHEREBY A MODIFIED CANDELILLA WAX PRODUCT IS OBTAINED HAVING LESS TACKINESS AND A HIGHER MELTING POINT THAN THE RAW CANDELILLA WAX FROM WHICH IT IS PRODUCED.
References Cited (Backward Citations)
US1815615A
Cited
US1825249A
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US1825248A
Cited
US2166711A
Cited
US2340846A
Cited
US2406336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |