US4596727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic casing with coating comprising cellulose ether, oil and water-insoluble alkylene oxide adduct of fatty acids
Assignee: Viskase Corp
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Filing: 1984-01-26
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Granted: 1986-06-24
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Expires: 2004-01-26
Abstract
Abstract Shirred tubular cellulosic food casing having a release coating comprising a water-insoluble ethoxylated glyceride coating on the internal surface thereof. The casing provides ease of peelability, ease of shirred stick deshirrability, as well as enhanced shirred stick coherency.
Inventors
- 👤 Thomas E. Higgins
- 👤 Ditlev P. D. Madsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:22
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0013; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1324
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
236 words
A tubular cellulosic casing having a coating over the internal surface thereof, said coating comprising at least three components, including a first component being a water-soluble cellulose ether, a second component being at least one water insoluble alkylene oxide adduct of fatty acids or fatty acid partial esters, and a third component being an oil selected from the group consisting of animal and vegetable oils, mineral oil and silicone oils, said first component of said coating being present in an amount of from about 0.005 mg/in 2 to about 0.07 mg/in 2 of internal casing surface, said second component being present in an amount of from about 0.005 to about 0.1 mg/in 2 of internal casing surface, and said third component being present in said coating in an amount of from about 0.001 to about 3 mg/in 2 of casing surface, said casing being suitable for stuffing with food products and being readily peelable from food products processed therein, wherein said adduct is selected from the group of adducts represented by the formulas: R.sub.1 -C.sub.3 H.sub.6 O.sub.3 -R.sub.2, R.sub.1 (C.sub.2 H.sub.4 O).sub.n R.sub.3, ##STR1## and mixtures thereof, wherein R.sub.1 is a long chain fatty acid radical having 10 to 24 carbon atoms; and R.sub.2 is -(C.sub.2 H.sub.4 O).sub.n H wherein n is an integer from 1 to 40, and wherein R.sub.3 is hydrogen or a long chain fatty acid radical having 10 to 24 carbon atoms.
Claim 2
Dependent Claim
236 words
A tubular cellulosic casing having a coating over the internal surface thereof, said coating comprising at least three components, including a first component being a water-soluble cellulose ether, a second component being at least one water insoluble alkylene oxide adduct of fatty acids or fatty acid partial esters, and a third component being an oil selected from the group consisting of animal and vegetable oils, mineral oil and silicone oils, said first component of said coating being present in an amount of from about 0.005 mg/in 2 to about 0.07 mg/in 2 of internal casing surface, said second component being present in an amount of from about 0.005 to about 0.1 mg/in 2 of internal casing surface, and said third component being present in said coating in an amount of from about 0.001 to about 3 mg/in 2 of casing surface, said casing being suitable for stuffing with food products and being readily peelable from food products processed therein, wherein said adduct is selected from the group of adducts represented by the formulas: R.sub.1 -C.sub.3 H.sub.6 O.sub.3 -R.sub.2, R.sub.1 (C.sub.2 H.sub.4 O).sub.n R.sub.3, ##STR1## and mixtures thereof, wherein R.sub.1 is a long chain fatty acid radical having 10 to 24 carbon atoms; and R.sub.2 is -(C.sub.2 H.sub.4 O).sub.n H wherein n is an integer from 1 to 40, and wherein R.sub.3 is hydrogen or a long chain fatty acid radical having 10 to 24 carbon atoms.
Claim 3
Dependent Claim
30 words
The casing of claim 1 wherein said cellulose ether component of said coating is selected from the group consisting of methylcellulose, hydroxyethylcellulose, carboxymethylcellulose, carboxymethyl hydroxyethylcellulose, hydroxypropyl cellulose and hydroxypropyl methylcellulose.
Claim 4
Dependent Claim
14 words
The casing of claim 1 wherein said adduct comprises a mixture of ethoxylated monoglycerides.
Claim 5
Dependent Claim
233 words
A tubular cellulosic casing having a coating over the internal surface thereof, said coating comprising at least three components, including a first component being a water-soluble cellulose ether, a second component being at least one water insoluble alkylene oxide adduct of fatty acids or fatty acid partial esters, and a third component being an oil selected from the group consisting of animal and vegetable oils, mineral oil and silicone oils, said first component of said coating being present in an amount of from about 0.005 mg/in 2 to about 0.07 mg/in 2 of internal casing surface, and said second component being present in an amount of from about 0.005 to about 0.1 mg/in 2 of internal casing surface, said third component being present in said coating in an amount of from about 0.001 to about 3 mg/in 2 of casing surface, said casing being suitable for stuffing with food products and being readily peelable from food products processed therein, wherein said adduct is represented by the formulas: R.sub.1 -C.sub.3 H.sub.6 O.sub.3 -R.sub.2 or R.sub.1 (C.sub.2 H.sub.4 O).sub.n R.sub.3 wherein R 1 is a long chain fatty acid radical having 10 to 24 carbon atoms; and R 2 is -(C 2 H 4 O) n H wherein n is an integer from 1 to 40, and wherein R 3 is hydrogen or a long chain fatty acid radical having 10 to 24 carbon atoms.
Claim 6
Dependent Claim
233 words
A tubular cellulosic casing having a coating over the internal surface thereof, said coating comprising at least three components, including a first component being a water-soluble cellulose ether, a second component being at least one water insoluble alkylene oxide adduct of fatty acids or fatty acid partial esters, and a third component being an oil selected from the group consisting of animal and vegetable oils, mineral oil and silicone oils, said first component of said coating being present in an amount of from about 0.005 mg/in 2 to about 0.07 mg/in 2 of internal casing surface, and said second component being present in an amount of from about 0.005 to about 0.1 mg/in 2 of internal casing surface, said third component being present in said coating in an amount of from about 0.001 to about 3 mg/in 2 of casing surface, said casing being suitable for stuffing with food products and being readily peelable from food products processed therein, wherein said adduct is represented by the formulas: R.sub.1 -C.sub.3 H.sub.6 O.sub.3 -R.sub.2 or R.sub.1 (C.sub.2 H.sub.4 O).sub.n R.sub.3 wherein R 1 is a long chain fatty acid radical having 10 to 24 carbon atoms; and R 2 is -(C 2 H 4 O) n H wherein n is an integer from 1 to 40, and wherein R 3 is hydrogen or a long chain fatty acid radical having 10 to 24 carbon atoms.
Claim 7
Dependent Claim
31 words
The casing of claim 1 wherein said water-soluble cellulose ether component of said coating is present in an amount of between about 0.025 and about 0.035 mg/in 2 of casing surface.
Claim 8
Dependent Claim
31 words
The casing of claim 1 wherein said second component of said coating is present in an amount of between about 0.005 mg/in 2 and about 0.027 mg/in 2 of casing surface.
Claim 9
Dependent Claim
12 words
The casing of claim 1 wherein said third component comprises mineral oil.
Claim 10
Dependent Claim
26 words
The casing of claim 1 wherein said third component is present in an amount of between about 0.001 mg/in 2 and about 0.5 mg/in 2 .
Claim 11
Dependent Claim
18 words
The casing of claim 1 having a coherency of at least about 2.5 inch-pounds in its shirred form.
Claim 12
Dependent Claim
12 words
The casing of claim 1 wherein said casing additionally contains a polyol.
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) | 1989-06-23 | 1989-12-23 | 1990-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-23 | 1993-12-23 | 1994-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-23 | 1997-12-23 | 1998-06-24 | $7700.00 | Window Closed / Lapsed |