US2534560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saccharate-ion exchange process
Assignee: International Minerals and Chemical Corp
•
Filing: 1948-07-07
•
Granted: 1950-12-19
•
Expires: 1968-07-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Shafor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:57
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS FOR THE PURIFICATION OF SUGAR SOLUTION PREPARED BY ACIDIFYING CALCIUM SACCHARATE WHICH IS PRODUCED BY LIMING A SUGAR-BEARING SOLUTION, WHICH COMPRISES SUBJECTING THE RESULTANT SUGAR SOLUTION TO THE SEQUENTIAL ACTION OF CATION EXCHANGE MATERIAL OPERATING IN THE HYDROGEN CYCLE AND ACID-ABSORBING ANION EXCHANGE MATERIAL.
Claim 2
Dependent Claim
46 words
A PROCESS FOR THE PURIFICATION OF SUGAR SOLUTION PREPARED BY ACIDIFYING CALCIUM SACCHARATE WHICH IS PRODUCED BY LIMING A SUGAR-BEARING SOLUTION, WHICH COMPRISES SUBJECTING THE RESULTANT SUGAR SOLUTION TO THE SEQUENTIAL ACTION OF CATION EXCHANGE MATERIAL OPERATING IN THE HYDROGEN CYCLE AND ACID-ABSORBING ANION EXCHANGE MATERIAL.
References Cited (Backward Citations)
US1402615A
Cited
US1534166A
Cited
US2388222A
Cited
US2375164A
Cited
US2375165A
Cited
US2388195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |