US3340093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removal of non-sugars from syrups comprising sugars and purified syrups produced thereby
Assignee: Colonial Sugar Refining Co Ltd
•
Filing: 1965-08-17
•
Granted: 1967-09-05
•
Expires: 1985-08-17
Abstract
No abstract record available.
Inventors
- 👤 Cortis-Jones Beverly
- 👤 Richard T Wickham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:52
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
A PROCESS FOR THE REMOVAL FROM CANE SYRUPS OF (A) SEDIMENTABLE IMPURITY AND (B) DIVALENT METAL CATION IMPURITY COMPRISING BOTH CALCIUM AND MAGNESIUM, SAID PROCESS INCLUDING THE FOLLOWING STEPS: (1)LOWERING THE PH OF THE SYRUP TO BELOW 4 BY THE ADDITION OF A SELECTED ACID CAPABLE OF FORMING AN INSOLUBLE SALT WITH CALCIUM IONS; (2) REMOVING SUSPENDED SOLIDS COMPRISING FLOCCULATED AND RECIPITATED MATERIAL; (3) IN THE PRESENCE OF ORTHOPHOSPHATE AND AMMONIUM IONS, RAISING THE PH TO ABOUT 7 BY THE ADDITION OF A SUITABLE BASE; (4) REMOVING PRECIPITATED MATERIAL. (10) PURIFIED SYRUPS WHEN PREPARED BY A PROCESS ACCORDING TO CLAIM 1.
References Cited (Backward Citations)
US152126A
Cited
US1897424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |