US2874061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waxes suitable for self-polishing aqueous emulsions
Assignee: Ruhrchemie AG
•
Filing: 1956-07-24
•
Granted: 1959-02-17
•
Expires: 1976-07-24
Abstract
No abstract record available.
Inventors
- 👤 Kolling Helmut
- 👤 Rappen Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:39
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/38; C09; C09G; C09G1/00; C09G1/06; C09G1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A WAX SUITABLE FOR THE PRODUCTION OF SELF-POLISHING AQUEOUS EMULSIONS CONSISTING ESSENTIALLY OF A MIXUTRE OF FREE WAX ACIDS, ALKALI SOAPS THEREOF AND PARAFFIN FORMED BY CHLORINATING A PARAFIN HAVING A MOLECULAR SIZE ABOVE ABOUT C30 WITH THE ADDITION OF 1.5-4 GRAM ATOMS OF CHLORINE PER MOL OF HYDROCARBON, DEHYDROCHLORINATING THE CHLORINATED PRODUCT TO FORM OLEFINS, CONVERTING THE OLEFINS TO ALDEHYDES BY THE OXOSYNTHESIS, HYDROGENATING THE ALDEHYDES TO ALCOHOLS, FORMING WAX ACIDS FROM THE ALCOHOLS BY TREATMENT WITH MOLTEN ALKALI, AND SAPONIFYING 20-80% OF THE WAX ACID WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF POTASSIUM HYDROXIDE, SODIUM HYDROXIDE, POTASSIUM CARBONATE AND SODIUM CARBONATE.
Claim 2
Dependent Claim
105 words
A WAX SUITABLE FOR THE PRODUCTION OF SELF-POLISHING AQUEOUS EMULSIONS CONSISTING ESSENTIALLY OF A MIXUTRE OF FREE WAX ACIDS, ALKALI SOAPS THEREOF AND PARAFFIN FORMED BY CHLORINATING A PARAFIN HAVING A MOLECULAR SIZE ABOVE ABOUT C30 WITH THE ADDITION OF 1.5-4 GRAM ATOMS OF CHLORINE PER MOL OF HYDROCARBON, DEHYDROCHLORINATING THE CHLORINATED PRODUCT TO FORM OLEFINS, CONVERTING THE OLEFINS TO ALDEHYDES BY THE OXOSYNTHESIS, HYDROGENATING THE ALDEHYDES TO ALCOHOLS, FORMING WAX ACIDS FROM THE ALCOHOLS BY TREATMENT WITH MOLTEN ALKALI, AND SAPONIFYING 20-80% OF THE WAX ACID WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF POTASSIUM HYDROXIDE, SODIUM HYDROXIDE, POTASSIUM CARBONATE AND SODIUM CARBONATE.
References Cited (Backward Citations)
US2109842A
Cited
US2010297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |