US3022343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequestrant derived from corn syrup and process for making the same
Assignee: Ferro Pfanstiehl Laboratories Inc
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Filing: 1959-11-17
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Granted: 1962-02-20
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Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 Behnke Reinhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:53
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/01; C07C59/10; C07C59/105; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF PREPARING A SEQUESTRANT FOR CALCIUM AND OTHER IONS FROM CORN SYRUP COMPRISING ADDING RAPIDLY IN A SINGLE PORTION TO AN AQUEOUS SOLUTION OF CORN SYRUP HAVING AN INITIAL TEMPERATURE IN THE RANGE OF 0-30* C. A QUANTITY OF SOLID SODIUM CYANIDE STOICHIOMETRICALLY EQUIVALENT TO THE COMBINED DEXTROSE AND MALTOSE CONTENT OF SAID CORN SYRUP, CALCULATED AS GLUCOSE, MAINTAINING THE REACTION MIXTURE UNTIL THE SODIUM CYANIDE IS DISSOLVED AND THE REACTION IS COMPLETE, AERATING AND GRADUALLY HEATING THE REACTION MIXTURE TO 70* C., AND MAINTAINING SAID AERATION AND TEMPERATURE UNTIL TRACES OF CYANIDE ARE ABSENT IN THE SOLUTION.
Claim 2
Independent Claim
100 words
THE METHOD OF PREPARING A SEQUESTRANT FOR CALCIUM AND OTHER IONS FROM CORN SYRUP COMPRISING ADDING RAPIDLY IN A SINGLE PORTION TO AN AQUEOUS SOLUTION OF CORN SYRUP HAVING AN INITIAL TEMPERATURE IN THE RANGE OF 0-30* C. A QUANTITY OF SOLID SODIUM CYANIDE STOICHIOMETRICALLY EQUIVALENT TO THE COMBINED DEXTROSE AND MALTOSE CONTENT OF SAID CORN SYRUP, CALCULATED AS GLUCOSE, MAINTAINING THE REACTION MIXTURE UNTIL THE SODIUM CYANIDE IS DISSOLVED AND THE REACTION IS COMPLETE, AERATING AND GRADUALLY HEATING THE REACTION MIXTURE TO 70* C., AND MAINTAINING SAID AERATION AND TEMPERATURE UNTIL TRACES OF CYANIDE ARE ABSENT IN THE SOLUTION.
References Cited (Backward Citations)
US2606918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |