US2988451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Readily removable artificial sausage casings and method of preparation
Assignee: Naturin Werk Becker and Co
•
Filing: 1958-07-01
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Granted: 1961-06-13
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Zahn Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:39
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0013; A22C13/0016; A22C13/0003; A22C13/0006; B; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/25; B29C48/88; B29C48/919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF PREPARING READILY REMOVABLE ARTIFICIAL SAUSAGE CASINGS COMPRISING EXTRUDING SWOLLEN COLLAGENOUS MATERIAL PREPARED FROM DEPILATED ANIMAL SKIN TO FORM TUBING, APPLYING TO THE INSIDE OF SAID TUBING AN AQUEOUS SOLUTION CONTAINING ABOUT 0.1 TO 1 PERCENT OF HYDROPHILIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALGINATES, POLYVINYLPYRROLIDONE, CARBOXY MYTHYLCELLULOSES, AND MIXTURES THEREOF, IN AN AMOUNT PRODUCING A FILM OF A THICKNESS OF ABOUT 0.031 ON DRYING, AND DRYING SAID INTERNALLY COATED TUBING.
Claim 2
Independent Claim
74 words
A METHOD OF PREPARING READILY REMOVABLE ARTIFICIAL SAUSAGE CASINGS COMPRISING EXTRUDING SWOLLEN COLLAGENOUS MATERIAL PREPARED FROM DEPILATED ANIMAL SKIN TO FORM TUBING, APPLYING TO THE INSIDE OF SAID TUBING AN AQUEOUS SOLUTION CONTAINING ABOUT 0.1 TO 1 PERCENT OF HYDROPHILIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALGINATES, POLYVINYLPYRROLIDONE, CARBOXY MYTHYLCELLULOSES, AND MIXTURES THEREOF, IN AN AMOUNT PRODUCING A FILM OF A THICKNESS OF ABOUT 0.031 ON DRYING, AND DRYING SAID INTERNALLY COATED TUBING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |