US2601335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dextrinization of sorghum flour
Assignee: Archer Daniels Midland Co
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Filing: 1950-12-04
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Granted: 1952-06-24
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Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Richard L Slotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:07
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/24; C04B24/38; C04B24/383; C08; C08B; C08B30/00; C08B30/12; C08B30/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF PRODUCING A MODIFIER FOR GYPSUM BOARD PLASTER WHICH COMPRISES TREATING GRAIN SORGHUM FLOUR WITH 1/4% TO 11/2% BY WEIGHT, DRY BASIS, OF ACID, SAID ACID BEING DISSOLVED IN SUFFICIENT WATER SO THAT THE FLOUR WHEN TREATED WITH ACID SOLUTION CONTAINS 10% TO 25% OF WATER, PASSING THE MIXTURE AS A CONTINUOUS FLOW THROUGH A HAMMER MILL AND THEN THROUGH A VENTILATED CHAMBER WHICH IS HEATED SUFFICIENTLY TO ELEVATE THE TEMPERATURE OF THE MIXTURE TO 215* F. TO 300* F. FOR A PERIOD OF TEN TO FORTY MINUTES SO AS PARTIALLY TO DEXTRINIZE SAID FLOUR, SAID FLOUR BEING SIMULTANEOUSLY DRIED IN SAID VENTILATED CHAMBER TO A MOISTURE CONTENT OF 3% TO 12%.
Claim 2
Independent Claim
114 words
A METHOD OF PRODUCING A MODIFIER FOR GYPSUM BOARD PLASTER WHICH COMPRISES TREATING GRAIN SORGHUM FLOUR WITH 1/4% TO 11/2% BY WEIGHT, DRY BASIS, OF ACID, SAID ACID BEING DISSOLVED IN SUFFICIENT WATER SO THAT THE FLOUR WHEN TREATED WITH ACID SOLUTION CONTAINS 10% TO 25% OF WATER, PASSING THE MIXTURE AS A CONTINUOUS FLOW THROUGH A HAMMER MILL AND THEN THROUGH A VENTILATED CHAMBER WHICH IS HEATED SUFFICIENTLY TO ELEVATE THE TEMPERATURE OF THE MIXTURE TO 215* F. TO 300* F. FOR A PERIOD OF TEN TO FORTY MINUTES SO AS PARTIALLY TO DEXTRINIZE SAID FLOUR, SAID FLOUR BEING SIMULTANEOUSLY DRIED IN SAID VENTILATED CHAMBER TO A MOISTURE CONTENT OF 3% TO 12%.
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) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |