US2522797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of purifying sugar juice
Assignee: Individual
•
Filing: 1943-10-30
•
Granted: 1950-09-19
•
Expires: 1963-10-30
Abstract
No abstract record available.
Inventors
- 👤 Lewis A Paley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/14; C13B20/144; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF PURIFYING RAW SUGAR JUICE, WHICH COMPRISES HEATING SAID JUICE TO A TEMPERATURE OF 60-85*C., COOLING SAID JUICE TO A TEMPERATURE OF LESS THAN 25*C. AND TREATING SAID JUICE WITH HYDROGEN ZEOLITE TO A PH OF 2-3 TO FORM A PRECIPITATE AND REMOVE CATIONS FROM SAID JUICE, SEPARATING THE PRECIPITATE FROM SAID JUICE, TREATING SAID JUICE WITH ACTIVE CARBON, FILTERING SAID JUICE, NEUTRALIZING THE REMAINING ACIDITY IN SAID JUICE WITH AN ALKALINE MATERIAL, AND FILTERING COLLOIDS FROM SAID JUICE PRECIPITATED BY SAID ALKALI.
Claim 2
Independent Claim
85 words
THE METHOD OF PURIFYING RAW SUGAR JUICE, WHICH COMPRISES HEATING SAID JUICE TO A TEMPERATURE OF 60-85*C., COOLING SAID JUICE TO A TEMPERATURE OF LESS THAN 25*C. AND TREATING SAID JUICE WITH HYDROGEN ZEOLITE TO A PH OF 2-3 TO FORM A PRECIPITATE AND REMOVE CATIONS FROM SAID JUICE, SEPARATING THE PRECIPITATE FROM SAID JUICE, TREATING SAID JUICE WITH ACTIVE CARBON, FILTERING SAID JUICE, NEUTRALIZING THE REMAINING ACIDITY IN SAID JUICE WITH AN ALKALINE MATERIAL, AND FILTERING COLLOIDS FROM SAID JUICE PRECIPITATED BY SAID ALKALI.
References Cited (Backward Citations)
US141068A
Cited
US246285A
Cited
US329331A
Cited
US805081A
Cited
US1054460A
Cited
US1094436A
Cited
US1752339A
Cited
US1787502A
Cited
US1770580A
Cited
US1724376A
Cited
US1903612A
Cited
US1956260A
Cited
US2191365A
Cited
US2359902A
Cited
US2402960A
Cited
US2372233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |