Patent US3222199A successfully refreshed from Google Patents.
US3222199A
Expired / Lapsed
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Stabilization of amylose
Assignee: Ingredion Inc
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Filing: 1962-05-04
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Granted: 1965-12-07
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Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Hickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:55
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/12; C08; C08L; C08L2666/00; C08L2666/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD FOR THE STABILIZATION OF AQUEOUS AMYLOSE SOLUTIONS WHICH COMPRISES MIXING, UNDER ALKALINE PH CONDITIONS, AN AQUEOUS AMYLOSE DISPERSION WITH: (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF PARAFORMALDEHYDE, AQUEOUS SOLUTIONS OF METHANOL STABILIZED FORMALDEHYDE, AQUEOUS SOLUTIONS OF FORMALDEHYDE, AND (B) A MEMBER SELECTED FROM THE GROUP CONSISTING OF UREA, MONOMETHYLOL UREA, SUCCINAMIDE AND ADIPAMIDE.
Claim 2
Independent Claim
57 words
A METHOD FOR THE STABILIZATION OF AQUEOUS AMYLOSE SOLUTIONS WHICH COMPRISES MIXING, UNDER ALKALINE PH CONDITIONS, AN AQUEOUS AMYLOSE DISPERSION WITH: (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF PARAFORMALDEHYDE, AQUEOUS SOLUTIONS OF METHANOL STABILIZED FORMALDEHYDE, AQUEOUS SOLUTIONS OF FORMALDEHYDE, AND (B) A MEMBER SELECTED FROM THE GROUP CONSISTING OF UREA, MONOMETHYLOL UREA, SUCCINAMIDE AND ADIPAMIDE.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |