US2999757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing cellulosic sausage casings and product
Assignee: Union Carbide Corp
•
Filing: 1959-10-30
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Granted: 1961-09-12
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Edward A Shiner
- 👤 Cyril J Brounstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:43
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0013; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN THE METHOD FOR PRODUCING CELLULOSIC SAUSAGE CASING BY THE ANNULAR EXTRUSION OF A SOLUTION OF A REGENERATABLE CELLULOSE DERIVATIVE TO FORM AFTER REGENERATION, WASHING, AND PLASTICIZING, A GEL CELLULOSE TUBING, THE STEPS WHICH COMPRISE CONCURRENTLY DRYING AND STRETCHING SAID GEL CELLULOSE TUBING FROM 35% TO 55% IN THE TRANSVERSE DIRECTION AND FROM 2% TO 8% IN THE LONGITUDINAL DIRECTION, THE WALL THICKNESS OF THE GEL CELLULOSIC TUBING BEING SUCH THAT AFTER SAID DRYING AND STRETCHING, THE BONE-DRY GAUGE OF THE DRIED CASING IS FROM 62.7D-10.3 TO 93.9D15.5 GRAMS CELLULOSE PER 100 FOOT LENGTH OF DRIED CASING, D BEING THE ATTAINED DIAMETER OF CASING IN INCHES UPON BEING WETTED AND INFLATED BY AN INTERNAL AIR PRESSURE OF 200 MILLIMETERS OF MERCURY.
Claim 2
Dependent Claim
121 words
IN THE METHOD FOR PRODUCING CELLULOSIC SAUSAGE CASING BY THE ANNULAR EXTRUSION OF A SOLUTION OF A REGENERATABLE CELLULOSE DERIVATIVE TO FORM AFTER REGENERATION, WASHING, AND PLASTICIZING, A GEL CELLULOSE TUBING, THE STEPS WHICH COMPRISE CONCURRENTLY DRYING AND STRETCHING SAID GEL CELLULOSE TUBING FROM 35% TO 55% IN THE TRANSVERSE DIRECTION AND FROM 2% TO 8% IN THE LONGITUDINAL DIRECTION, THE WALL THICKNESS OF THE GEL CELLULOSIC TUBING BEING SUCH THAT AFTER SAID DRYING AND STRETCHING, THE BONE-DRY GAUGE OF THE DRIED CASING IS FROM 62.7D-10.3 TO 93.9D15.5 GRAMS CELLULOSE PER 100 FOOT LENGTH OF DRIED CASING, D BEING THE ATTAINED DIAMETER OF CASING IN INCHES UPON BEING WETTED AND INFLATED BY AN INTERNAL AIR PRESSURE OF 200 MILLIMETERS OF MERCURY.
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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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |