US2783259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of extracting carnauba-like waxes from crude montan waxes
Assignee: Individual
•
Filing: 1953-09-08
•
Granted: 1957-02-26
•
Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Hessler Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:52
CPC Classifications
C; C10; C10G; C10G73/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF OBTAINING WAX SIMILAR TO CARNAUBA WAX FROM CRUDE MONATAN WAX, WHICH COMPRISES TREATING A SOLUTION OF THE CRUDE MONTAIN WAX IN AN OXYGENATED SOLVENT WITH AN OXYGEN CONTAINING GAS FOR SEVERAL HOURS AT A TEMPERATURE BETWEEN 70* AND 100* C., SEPARATING THE FREED ASPHALT-LIKE PARTICLES FROM THE SOLUTION OF WAX AN RESIN, COOLING THE SOLUTION TO A LOW TEMPERATURE TO PRECIPITATE OUT A REFINED-WAX, AND SEPARATING THE REFINED WAX FROM THE RESIN-CONTAINING MOTHER LIQUOR.
Claim 2
Independent Claim
77 words
A METHOD OF OBTAINING WAX SIMILAR TO CARNAUBA WAX FROM CRUDE MONATAN WAX, WHICH COMPRISES TREATING A SOLUTION OF THE CRUDE MONTAIN WAX IN AN OXYGENATED SOLVENT WITH AN OXYGEN CONTAINING GAS FOR SEVERAL HOURS AT A TEMPERATURE BETWEEN 70* AND 100* C., SEPARATING THE FREED ASPHALT-LIKE PARTICLES FROM THE SOLUTION OF WAX AN RESIN, COOLING THE SOLUTION TO A LOW TEMPERATURE TO PRECIPITATE OUT A REFINED-WAX, AND SEPARATING THE REFINED WAX FROM THE RESIN-CONTAINING MOTHER LIQUOR.
References Cited (Backward Citations)
US1092629A
Cited
US1834866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |