US3130081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Limited stability amylose dispersions and method of preparation
Assignee: Ingredion Inc
•
Filing: 1960-12-23
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Granted: 1964-04-21
•
Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:56
CPC Classifications
C; C08; C08B; C08B33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD FOR PREPARING AQUEOUS AMYLOSE DISPERSIONS WHICH COMPRISES ADMIXING AMYLOSE WITH AN AQUEOUS ALKALI SOLUTION HAVING AN ALKALI CONCENTRATION WITHIN THE RANGE 4% TO 10%, THE WEIGHT RATIO OF AMYLOSE TO WATER BEING WITHIN THE RANGE OF THE ORDER OF 1:5 TO 1:20, SAID ADMIXTURE BEING CONDUCTED AT A TEMPERATURE WITHIN THE RANGE 90-180*F., AND THEN ACIDIFYING THE RESULTING DISPERSION WITH AN ACID SELECTED FROM THE CLASS CONSISTING OF HYDROCHLORIC, NITRIC, ACETIC, PROPIONIC, SUCCINIC AND OXALIC ACIDS, TO A PH WITHIN THE RANGE 2 TO 9.
Claim 2
Independent Claim
87 words
A METHOD FOR PREPARING AQUEOUS AMYLOSE DISPERSIONS WHICH COMPRISES ADMIXING AMYLOSE WITH AN AQUEOUS ALKALI SOLUTION HAVING AN ALKALI CONCENTRATION WITHIN THE RANGE 4% TO 10%, THE WEIGHT RATIO OF AMYLOSE TO WATER BEING WITHIN THE RANGE OF THE ORDER OF 1:5 TO 1:20, SAID ADMIXTURE BEING CONDUCTED AT A TEMPERATURE WITHIN THE RANGE 90-180*F., AND THEN ACIDIFYING THE RESULTING DISPERSION WITH AN ACID SELECTED FROM THE CLASS CONSISTING OF HYDROCHLORIC, NITRIC, ACETIC, PROPIONIC, SUCCINIC AND OXALIC ACIDS, TO A PH WITHIN THE RANGE 2 TO 9.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |