US2508359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core binder
Assignee: Individual
•
Filing: 1947-02-21
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Granted: 1950-05-23
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Expires: 1967-02-21
Abstract
No abstract record available.
Inventors
- 👤 Rose C Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:07
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02; B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHD OF PRODUCING A CORE BINDER CONSISTING OF HIGHLY SOLUBLE DEXTRINIZED CORN FLOUR COMPRISING SPRAYING A QUANTITY OF PARTIALLY DEGERMINATED CORN FLOUR HAVING A STARCH CONTENT OF ABOUT 70 TO 79% WITH A DILUTED SOLUTION OF 18* BE''. HYDROCHLORIC ACID, EMPLOYING ABOUT 10.6 TO 16 * BE''. POUNDS OF 18* BE''. ACID PER 1000 POUNDS OF FLOUR, THEREAFTER SUBJECTING THE ACIDIFIED CORN FLOUR TO A ROASTING TEMPERATURE OF BETWEEN 310* AND 350*F., AND TERMINATING THE DEXTRINIZING OPERATION WHEN SUBSTANTIALLY ALL OF THE STARCH PRESENT HAS BEEN DEXTRINIZED, YIELDING A PRODUCT CONTAINING ABOUT 80% WATER SOLUBLE SOLIDS, AND CONSTITUTING A UNIFORM FREE-RUNNING POWDERY MATERIAL FREE FROM LUMPS OR GRITS.
Claim 2
Dependent Claim
109 words
A METHD OF PRODUCING A CORE BINDER CONSISTING OF HIGHLY SOLUBLE DEXTRINIZED CORN FLOUR COMPRISING SPRAYING A QUANTITY OF PARTIALLY DEGERMINATED CORN FLOUR HAVING A STARCH CONTENT OF ABOUT 70 TO 79% WITH A DILUTED SOLUTION OF 18* BE''. HYDROCHLORIC ACID, EMPLOYING ABOUT 10.6 TO 16 * BE''. POUNDS OF 18* BE''. ACID PER 1000 POUNDS OF FLOUR, THEREAFTER SUBJECTING THE ACIDIFIED CORN FLOUR TO A ROASTING TEMPERATURE OF BETWEEN 310* AND 350*F., AND TERMINATING THE DEXTRINIZING OPERATION WHEN SUBSTANTIALLY ALL OF THE STARCH PRESENT HAS BEEN DEXTRINIZED, YIELDING A PRODUCT CONTAINING ABOUT 80% WATER SOLUBLE SOLIDS, AND CONSTITUTING A UNIFORM FREE-RUNNING POWDERY MATERIAL FREE FROM LUMPS OR GRITS.
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) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |