US3904601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxypropylated, inhibited high amylose retort starches
Assignee: Ingredion Inc
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Filing: 1972-12-21
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Granted: 1975-09-09
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Expires: 1992-12-21
Abstract
Abstract An hydroxypropylated, inhibited high amylose starch is disclosed having specified amounts of hydroxypropylation and inhibition which has excellent thin-thick properties for use in food products to be retorted. The disclosed starches give good texture to the food products in which they are used.
Inventors
- 👤 Martin M Tessler
- 👤 Wadym Jarowenko
- 👤 Richard A Amitrano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:09
CPC Classifications
C; C08; C08B; C08B33/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
94 words
A CROSS-LINKED HYDROXYPROPYLATED HIGH AMYLOSE STARCH PRODUCT THE STARCH CONTAINING AT LAST 50 PER CENT AMYLOSE THE STARCH PRODUCT A HYDROXYPROPYYL M S BETWEEN 0.10 AND 0.30 AND CROSS-LINKED WITH A CROSS-LINKING AGENT TO AN EXTENT CHARACTERIZED IN THAT AN AQUEOUS DISPERSION CONTAINING 5.0 PERCENT BY WEIGHT OF SAID STARCH PRODUCT HAS A BROOKFIELD VISCOSITY MEASURED AT 75*F BETWEEN 0 AND 1500 CENTIPOISES AFTER BEING COOKED AT 5.0 PERCENT BY WEIGHT STARCH PRODUCT SOLIDS CONCENTRATION DRY BASIS IN A PH 6.5 BUFFERED SALT SOLUTION AT 180*F FOR 25 MINUTES AND STANDING AT ROOM TEMPERA-
Claim 2
Dependent Claim
94 words
A CROSS-LINKED HYDROXYPROPYLATED HIGH AMYLOSE STARCH PRODUCT THE STARCH CONTAINING AT LAST 50 PER CENT AMYLOSE THE STARCH PRODUCT A HYDROXYPROPYYL M S BETWEEN 0.10 AND 0.30 AND CROSS-LINKED WITH A CROSS-LINKING AGENT TO AN EXTENT CHARACTERIZED IN THAT AN AQUEOUS DISPERSION CONTAINING 5.0 PERCENT BY WEIGHT OF SAID STARCH PRODUCT HAS A BROOKFIELD VISCOSITY MEASURED AT 75*F BETWEEN 0 AND 1500 CENTIPOISES AFTER BEING COOKED AT 5.0 PERCENT BY WEIGHT STARCH PRODUCT SOLIDS CONCENTRATION DRY BASIS IN A PH 6.5 BUFFERED SALT SOLUTION AT 180*F FOR 25 MINUTES AND STANDING AT ROOM TEMPERA-
Claim 3
Dependent Claim
18 words
A starch product according to claim 1 wherein the hydroxypropylated starch is cross-linked by groups derived from epichlorohydrin.
Claim 4
Dependent Claim
17 words
A starch product according to claim 1 wherein the hydroxypropylated starch is cross-linked by phosphate ester groups.
References Cited (Backward Citations)
US3238193A
Cited
US3278522A
Cited
US3369910A
Cited
US3422088A
Cited
US3719661A
Cited
US3804828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-08 | 1979-03-10 | 1979-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-08 | 1983-03-10 | 1983-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-08 | 1987-03-10 | 1987-09-09 | $7700.00 | Window Closed / Lapsed |