US2852812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of artificial sausage casings
Assignee: Carl Freudenberg KG
•
Filing: 1955-03-24
•
Granted: 1958-09-23
•
Expires: 1975-03-24
Abstract
No abstract record available.
Inventors
- 👤 Braun Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0013; A22C13/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A METHOD OF FORMING ARTIFICAL SAUSAGE CASINGS BY EXTRUDING A SWOLLEN PLASTIC FIBROUS COLLAGENOUS MASS HAVING A DRY CONTANT OF ONLY ABOUT 8 TO 11 PERCENT THROUGH ANNULAR NOZZLES, THE STEPS OF INCORPORATING INTO SAID MASS, PRIOR TO EXTURSION, GLYOXAL IN AQUEOUS SOLUTION IN AN AMOUNT OF 0.5 TO 1.5 PERCENT BY WEIGHT, BASED ON THE DRY CONTENT OF SAID MASS, WHICH AMOUNT OF GLYOXAL DOES NOT EFFECT THE COLLOIDAL PROPERTIES OF THE MASS PRIOR TO, AND DURING, SAID EXTURSION, AND SUBJECTING THE EXTRUDED CASING TO A HEAT TREATMENT AT A TEMPERATURE OF ABOUT 65 TO 120*C. FOR A TIME SUFFICIENT TO PRODUCE THE HARDENING EFFECT OF THE GLYOXAL.
Claim 2
Dependent Claim
110 words
IN A METHOD OF FORMING ARTIFICAL SAUSAGE CASINGS BY EXTRUDING A SWOLLEN PLASTIC FIBROUS COLLAGENOUS MASS HAVING A DRY CONTANT OF ONLY ABOUT 8 TO 11 PERCENT THROUGH ANNULAR NOZZLES, THE STEPS OF INCORPORATING INTO SAID MASS, PRIOR TO EXTURSION, GLYOXAL IN AQUEOUS SOLUTION IN AN AMOUNT OF 0.5 TO 1.5 PERCENT BY WEIGHT, BASED ON THE DRY CONTENT OF SAID MASS, WHICH AMOUNT OF GLYOXAL DOES NOT EFFECT THE COLLOIDAL PROPERTIES OF THE MASS PRIOR TO, AND DURING, SAID EXTURSION, AND SUBJECTING THE EXTRUDED CASING TO A HEAT TREATMENT AT A TEMPERATURE OF ABOUT 65 TO 120*C. FOR A TIME SUFFICIENT TO PRODUCE THE HARDENING EFFECT OF THE GLYOXAL.
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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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |