US3579549A
Expired / Lapsed
US
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Acyl derivatives of the condensation polymers of alpha-hydroxy-propionic acid with beta-hydroxybutyric acid and/or beta-hydroxypropionic acid
Assignee: Ingredion Inc
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Filing: 1967-09-29
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Granted: 1971-05-18
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Expires: 1987-09-29
Abstract
Abstract ACYL DERIVATIVES OF THE CONDENSATION POLYMERS OF ALPHAHYDROXYPROPIONIC ACID WITH BETA-HYDROXYBUTYRIC ACID AND/OR BETA-HYDROXYPROPIONIC ACID, AS WELL AS THE ALKALI METAL, ALKALINE-EARTH METAL AND AMMONIUM SALTS THEREOF; THE LATTER DERIVATIVES SERVING AS FOOD EMULSIFIERS AND AS SHORTENING AIDS. A PROCESS FOR PREPARING BAKED GOODS AS WELL AS THE BAKED GOODS RESULTING THEREFROM, SAID PROCESS COMPRISING THE INCORPORATION OF THE ABOVE SPECIFIED DERIVATIVES INTO THE RAW DOUGH MIX PRIOR TO THE BAKING THEREOF. THE RESULTING BAKED GOODS ARE CHARACTERIZED BY THEIR PROLONGED RETENTION OF FRESHNESS, FINE TEXTURE, GOOD COLOR AND SUBSTANTIAL VOLUME.
Inventors
- 👤 Hans H Stockmann
- 👤 Dilip K Ray-Chaudhuri
- 👤 Richard M Boettger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:04
CPC Classifications
A; A21; A21D; A21D2/00; A21D2/08; A21D2/14; A21D2/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |