US2505931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonamide wax emulsions
Assignee: General Mills Inc
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Filing: 1948-02-24
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Granted: 1950-05-02
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Expires: 1968-02-24
Abstract
No abstract record available.
Inventors
- 👤 Aelony David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:56
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C09; C09K; C09K23/00; C09K23/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
AN OIL-IN-WATER EMULSION OF A SYNTHETIC WAX COMPRISING N,N-DIHYDROXYETHYL ARYL SULFONAMIDE DIESTER OF A HIGHER FATTY ACID, SAID EMULSION CONTAINING A CATIONIC EMULSIFYING AGENT.
Claim 2
Dependent Claim
24 words
AN OIL-IN-WATER EMULSION OF A SYNTHETIC WAX COMPRISING N,N-DIHYDROXYETHYL ARYL SULFONAMIDE DIESTER OF A HIGHER FATTY ACID, SAID EMULSION CONTAINING A CATIONIC EMULSIFYING AGENT.
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) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |