Patent US2495334A successfully refreshed from Google Patents.
US2495334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of refining sugar solutions
Assignee: Porocel Industries LLC
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Filing: 1941-03-29
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Granted: 1950-01-24
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Expires: 1961-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr William A La Lande
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:28
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
THE METHOD OF TREATING A SUGAR SOLUTION THAT HAS BEEN DECOLORIZED WITH ACTIVE CHLORINE, WHICH COMPRISES CONTACTING THE SOLUTION AT AN ELEVATED TEMPERATURE AND SO CONTAINING RETURNED COLOR WITH A THERMALLY ACTIVATED BAUXITE.
Claim 2
Independent Claim
33 words
THE METHOD OF TREATING A SUGAR SOLUTION THAT HAS BEEN DECOLORIZED WITH ACTIVE CHLORINE, WHICH COMPRISES CONTACTING THE SOLUTION AT AN ELEVATED TEMPERATURE AND SO CONTAINING RETURNED COLOR WITH A THERMALLY ACTIVATED BAUXITE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |