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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
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Abstract

No abstract record available.

Inventors

  • 👤 Robert W Satterthwaite

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 20:54
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

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