US3060046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of hard waxes rich in ester from mixtures of montan wax acids and paraffins
Assignee: Hoechst AG
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Filing: 1960-04-21
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Granted: 1962-10-23
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Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Kaupp Josef
- 👤 Metz Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:07
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/035; C10; C10G; C10G73/00; C10G73/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PROCESS FOR THE MANUFACTURE OF A HARD WAX RICH IN ESTER WHICH COMPRISES CONTACTING A MOLTEN MIXTURE CONSISTING ESSENTIALLY OF (1) A HIGH MOLECULAR ALIPHATIC HYDROCARBON HAVING A SOLIDIFICATION POINT ABOVE 70*C. AND (2) A MONTAN WAX ACID AT A TEMPERATURE UP TO 200*C. WITH FREE OXYGEN, UNTIL AT LEAST ABOUT 30 PERCENT OF THE SAID HIGH MOLECULAR ALIPHATIC HYDROCARBON IS OXIDIZED TO FORM AN ALIPHATIC ALCOHOL WHICH REACTS WITH THE WAX ACID TO FORM THE ESTER, THE HIGH MOLECULAR ALIPHATIC HYDROCARBON BEING CONTAINED IN THE STARTING MIXTURE IN AN AMOUNT FROM 20 TO 80 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
99 words
A PROCESS FOR THE MANUFACTURE OF A HARD WAX RICH IN ESTER WHICH COMPRISES CONTACTING A MOLTEN MIXTURE CONSISTING ESSENTIALLY OF (1) A HIGH MOLECULAR ALIPHATIC HYDROCARBON HAVING A SOLIDIFICATION POINT ABOVE 70*C. AND (2) A MONTAN WAX ACID AT A TEMPERATURE UP TO 200*C. WITH FREE OXYGEN, UNTIL AT LEAST ABOUT 30 PERCENT OF THE SAID HIGH MOLECULAR ALIPHATIC HYDROCARBON IS OXIDIZED TO FORM AN ALIPHATIC ALCOHOL WHICH REACTS WITH THE WAX ACID TO FORM THE ESTER, THE HIGH MOLECULAR ALIPHATIC HYDROCARBON BEING CONTAINED IN THE STARTING MIXTURE IN AN AMOUNT FROM 20 TO 80 PERCENT BY WEIGHT.
References Cited (Backward Citations)
US1985871A
Cited
GB386715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |