US2546748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agents for coloring emulsions and dispersions, especially those of the oil in water type
Assignee: Grindstedvaerket AS
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Filing: 1947-05-06
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Granted: 1951-03-27
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Expires: 1967-05-06
Abstract
No abstract record available.
Inventors
- 👤 Anders Herlöw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:13
CPC Classifications
A; A23; A23D; A23D7/00; A23D7/005; A61; A61K; A61K31/00; A61K31/59; A23C; A23C19/00; A23C19/06; A23C19/09; A23C19/0925; A23D7/01; A23D7/011; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/43; A23L5/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN OIL-IN-WATER DISPERSION CARRYING A COLORING AGENT COMPRISING A SOLUTION OF A FAT SOLUBLE COLORING MATTER IN AN OLEAGINOUS SOLVENT COMPRISING A SUBSTANTIAL AMOUNT OF A PARTIAL ESTER OF A FATTY ACID WITH AN ALCOHOL HAVING MORE THAN ONE ALCOHOL GROUP OF WHICH AT LEAST ONE IS LEFT UNESTERIFIED, AND IN WHICH THE DISPERSION IS A FOOD PRODUCT.
Claim 2
Dependent Claim
58 words
AN OIL-IN-WATER DISPERSION CARRYING A COLORING AGENT COMPRISING A SOLUTION OF A FAT SOLUBLE COLORING MATTER IN AN OLEAGINOUS SOLVENT COMPRISING A SUBSTANTIAL AMOUNT OF A PARTIAL ESTER OF A FATTY ACID WITH AN ALCOHOL HAVING MORE THAN ONE ALCOHOL GROUP OF WHICH AT LEAST ONE IS LEFT UNESTERIFIED, AND IN WHICH THE DISPERSION IS A FOOD PRODUCT.
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) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |