Patent US2560148A successfully refreshed from Google Patents.
US2560148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax emulsion
Assignee: Shell Development Co
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Filing: 1949-02-08
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Granted: 1951-07-10
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Expires: 1969-02-08
Abstract
No abstract record available.
Inventors
- 👤 Karekin G Arabian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:33
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A WAX EMULSION COMPRISING A HYDROCARBON WAX, WATER, A WATER-SOLUBLE ALIPHATIC HYDROXY POLYCARBOXYLIC ACID AND A SALT OF SAID ACID WITH HEXADECYL AMINE, THE AMINE BEING PRESENT IN AN AMOUNT BETWEEN 1 AND 10% BY WEIGHT OF SAID WAX, AND THE ACID IN FREE AND SALT FORM BEING PRESENT IN AN AMOUNT TO PROVIDE FROM 4 TO 10 CARBOXYL GROUPS FOR EACH AMINE MOLECULE.
Claim 2
Dependent Claim
64 words
A WAX EMULSION COMPRISING A HYDROCARBON WAX, WATER, A WATER-SOLUBLE ALIPHATIC HYDROXY POLYCARBOXYLIC ACID AND A SALT OF SAID ACID WITH HEXADECYL AMINE, THE AMINE BEING PRESENT IN AN AMOUNT BETWEEN 1 AND 10% BY WEIGHT OF SAID WAX, AND THE ACID IN FREE AND SALT FORM BEING PRESENT IN AN AMOUNT TO PROVIDE FROM 4 TO 10 CARBOXYL GROUPS FOR EACH AMINE MOLECULE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |