Patent US2743265A successfully refreshed from Google Patents.
US2743265A
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Gelatin extraction process
Assignee: General Foods Corp
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Filing: 1953-09-17
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Granted: 1956-04-24
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Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Louis E Garono
- 👤 Kramer Franklin
- 👤 Albert E Steigmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:11
CPC Classifications
C; C09; C09H; C09H3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE METHOD OF EXTRACTING GELATIN FROM GELATIN STOCK COMPRISING SOAKING THE STOCK IN STRONG ACID PRIOR TO EXTRACTION AT A TEMPERATURE BELOW EXTRACTION TEMPERATURES, PASSING THE ACID SOAKED STOCK AND HOT WATER THROUGH AN EXTRACTION ZONE WHILE CIRCULATING THE WATER THROUGH THE STOCK TO DISSOLVE THE GELATIN FROM THE STOCK AND FORM AN AQUEOUS GELATIN SOLUTION, THE AMOUNT OF ACID IN THE SOAKED STOCK WHEN INTRODUCED INTO SAID EXTRACTION ZONE PROVIDING A PH OF THE EFFLUENT GELATIN SOLUTION FROM SAID ZONE WITHIN THE RANGE OF ABOUT 1.5-3.5. AND ADJUSTING THE PH OF THE EFFLUENT SOLUTION TO WITHIN THE RANGE OF ABOUT 4.0-8.0 TO NEUTRALIZE THE DEGRADING EFFECT OF THE ACID.
Claim 2
Independent Claim
110 words
THE METHOD OF EXTRACTING GELATIN FROM GELATIN STOCK COMPRISING SOAKING THE STOCK IN STRONG ACID PRIOR TO EXTRACTION AT A TEMPERATURE BELOW EXTRACTION TEMPERATURES, PASSING THE ACID SOAKED STOCK AND HOT WATER THROUGH AN EXTRACTION ZONE WHILE CIRCULATING THE WATER THROUGH THE STOCK TO DISSOLVE THE GELATIN FROM THE STOCK AND FORM AN AQUEOUS GELATIN SOLUTION, THE AMOUNT OF ACID IN THE SOAKED STOCK WHEN INTRODUCED INTO SAID EXTRACTION ZONE PROVIDING A PH OF THE EFFLUENT GELATIN SOLUTION FROM SAID ZONE WITHIN THE RANGE OF ABOUT 1.5-3.5. AND ADJUSTING THE PH OF THE EFFLUENT SOLUTION TO WITHIN THE RANGE OF ABOUT 4.0-8.0 TO NEUTRALIZE THE DEGRADING EFFECT OF THE ACID.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |