US3035923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye composition for edible fat and method of preparing the same
Assignee: Zeneca Inc
•
Filing: 1960-07-11
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Granted: 1962-05-22
•
Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Alan S Geisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:23
CPC Classifications
A; A23; A23D; A23D9/00; A23D9/007; A23D9/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A DYE COMPOSITION COMPRISING A WATER-INSOLUBLE COLOR LAKE AND AS A COLOR DISPERSANT A DICARBOXYLIC ACID ESTER OF A POLYDRIC ALCOHOL FATTY ACID ESTER PREPARED FROM A POLYDRIC ALCOHOL CONTAINING FROM 2 TO 6 HYDROXYL GROUPS PER MOLECULE.
Claim 2
Dependent Claim
38 words
A DYE COMPOSITION COMPRISING A WATER-INSOLUBLE COLOR LAKE AND AS A COLOR DISPERSANT A DICARBOXYLIC ACID ESTER OF A POLYDRIC ALCOHOL FATTY ACID ESTER PREPARED FROM A POLYDRIC ALCOHOL CONTAINING FROM 2 TO 6 HYDROXYL GROUPS PER 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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |