US2974069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of gelatinized starches
Assignee: Duintjer Wilkens Meihuizen and Co NV
•
Filing: 1957-10-23
•
Granted: 1961-03-07
•
Expires: 1977-10-23
Abstract
No abstract record available.
Inventors
- 👤 Leendert J Van Nieuwenhuyzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:51
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/12; C08B30/14; G; G21; G21C; G21C17/00; G21C17/02; G21C17/04; G21C17/041; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD FOR GELATINIZING AND DRYING A STARCHY POLYSACCHARIDE COMPRISING INTORDUCING SAID POLYSACCHARIDE, HAVING A MOISTURE CONTENT OF FROM 30% TO 90%, INTO A MASS OF HOT FLUIDIZED SOLID PARTICLES RANGING IN SIZE FROM 10-5000 MICRONS, THE PARTICLES BEING KEPT AT A TEMPERATURE SUFFICIENT TO GELATINIZE THE STARCHY POLYSACCHARIDE, BUT BENEATH THAT SUFFICIENT TO SCORCH THE SAME.
Claim 2
Independent Claim
57 words
A METHOD FOR GELATINIZING AND DRYING A STARCHY POLYSACCHARIDE COMPRISING INTORDUCING SAID POLYSACCHARIDE, HAVING A MOISTURE CONTENT OF FROM 30% TO 90%, INTO A MASS OF HOT FLUIDIZED SOLID PARTICLES RANGING IN SIZE FROM 10-5000 MICRONS, THE PARTICLES BEING KEPT AT A TEMPERATURE SUFFICIENT TO GELATINIZE THE STARCHY POLYSACCHARIDE, BUT BENEATH THAT SUFFICIENT TO SCORCH THE SAME.
References Cited (Backward Citations)
US1035833A
Cited
US1133914A
Cited
US1157738A
Cited
US1516512A
Cited
US1901109A
Cited
US2177378A
Cited
US2314459A
Cited
US2481436A
Cited
US2845368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |