US3046210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of gelatin from collagenous material
Assignee: General Foods Corp
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Filing: 1958-01-28
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Granted: 1962-07-24
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Expires: 1978-01-28
Abstract
No abstract record available.
Inventors
- 👤 John R Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:26
CPC Classifications
C; C09; C09H; C09H3/00; Y; Y10; Y10S; Y10S128/00; Y10S128/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF EXTRACTING GELATIN FROM A COLLAGENCONTAINING MATERIAL WHICH COMPRISES IRRADIATING THE COLLAGEN-BEARING MATERIAL WITH IONIZING PENETRATING RADIATION HAVING AN ENERGY OF AT LEAST ABOUT 10-3 MILLION ELECTRON VOLTS AT A DOSE OF AT LEAST ABOUT 0.5X106 REP., CONTACTING THE IRRADIATED MATERIAL WITH AN AQUEOUS ACID MEDIUM AT A TEMPERATURE OF ABOUT 50* TO 95*C. TO EXTRACT GELATIN FROM SAID MATERIAL, AND RECOVERING THE EXTRACTED GELATIN.
Claim 2
Independent Claim
67 words
THE METHOD OF EXTRACTING GELATIN FROM A COLLAGENCONTAINING MATERIAL WHICH COMPRISES IRRADIATING THE COLLAGEN-BEARING MATERIAL WITH IONIZING PENETRATING RADIATION HAVING AN ENERGY OF AT LEAST ABOUT 10-3 MILLION ELECTRON VOLTS AT A DOSE OF AT LEAST ABOUT 0.5X106 REP., CONTACTING THE IRRADIATED MATERIAL WITH AN AQUEOUS ACID MEDIUM AT A TEMPERATURE OF ABOUT 50* TO 95*C. TO EXTRACT GELATIN FROM SAID MATERIAL, AND RECOVERING THE EXTRACTED GELATIN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |