US2852404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making starch mobile and hydrophobic
Assignee: Corn Products Refining Co
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Filing: 1955-12-01
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Granted: 1958-09-16
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Expires: 1975-12-01
Abstract
No abstract record available.
Inventors
- 👤 Robert W Satterthwaite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:43
CPC Classifications
C; C08; C08B; C08B31/00; C08K; C08K3/00; C08K3/10; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS OF MAKING MOBILE, HYDROPHOBIC STARCH WHICH COMPRISES HEATING WITH AGITATION AN AQUEOUS SLURRY OF STARCH CONTAINING 0.005 TO 0.04 PART OF WATER SOLUBLE SOAP PER ONE PART OF DRY STARCH AT 100*F. TO 140* F., ADDING 0.01 TO 0.06 PART OF WATER SOLUBLE ALUMINUM SALT PER ONE PART OF DRY STARCH, CONTINUING THE HEATING UNTIL ALUMINUM SOAP IS PRECIPITATED ON THE STARCH, ADJUSTING THE PH OF THE SLURRY TO 5$0.2 AND RECOVERING THE STARCH.
Claim 2
Dependent Claim
76 words
A PROCESS OF MAKING MOBILE, HYDROPHOBIC STARCH WHICH COMPRISES HEATING WITH AGITATION AN AQUEOUS SLURRY OF STARCH CONTAINING 0.005 TO 0.04 PART OF WATER SOLUBLE SOAP PER ONE PART OF DRY STARCH AT 100*F. TO 140* F., ADDING 0.01 TO 0.06 PART OF WATER SOLUBLE ALUMINUM SALT PER ONE PART OF DRY STARCH, CONTINUING THE HEATING UNTIL ALUMINUM SOAP IS PRECIPITATED ON THE STARCH, ADJUSTING THE PH OF THE SLURRY TO 5$0.2 AND RECOVERING THE STARCH.
References Cited (Backward Citations)
US2355463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |