Patent US1796367A successfully refreshed from Google Patents.
Patent US4383376A successfully refreshed from Google Patents.
US4383376A
Expired / Lapsed
US
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Contact-dehydrating sheet for drying protein-containing food
Assignee: Resonac Holdings Corp
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Filing: 1981-03-18
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Granted: 1983-05-17
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Expires: 2001-03-18
Abstract
Abstract A contact-dehydrating sheet suitable for use in the production of dried protein-containing food such as fish and meat and a method for drying the protein-containing food are presented. The contact-dehydrating sheet comprises: (a) a water permeable film, (b) a dehydrating layer consisting essentially of a water absorbing polymer substance dispersed in a hydrophilic adhesive substance, said layer being placed on the surface, opposite to the surface where the protein-containing food to be dried is contacted, of the water-permeable film, and (c) a protective film covering over the dehydrating layer.
Inventors
- 👤 Yukio Numamoto
- 👤 Juichi Kasai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:33
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/16; A; A23; A23B; A23B2/00; A23B2/90; A23B4/00; A23B4/03; A23B4/033; B; B01; B01D; B01D15/00; B01J; B01J20/00; B01J20/30; B01J20/32; B01J20/3202; B01J20/3206; B01J20/3208; B01J20/3212; B01J20/3231; B01J20/3242; B01J20/3268; B01J20/3272; B01J20/3274; B01J20/3276; B01J20/3278; B01J20/328; B01J20/3282; B01J20/3289; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/264; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31728
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
83 words
A contact-dehydrating sheet for drying protein-containing food comprising: (a) a water-permeable film; (b) a dehydrating layer consisting essentially of a water absorbing polymer substance dispersed in a hydrophilic adhesive substance selected from the group consisting of hydrophilic polysaccharides and the chemically modified product thereof and synthetic hydrophilic adhesive substances, said layer being placed on the surface, opposite to the surface where the protein-containing food to be dried is contacted, of the water-permeable film; and (c) a protective film covering over the dehydrating layer.
Claim 2
Dependent Claim
83 words
A contact-dehydrating sheet for drying protein-containing food comprising: (a) a water-permeable film; (b) a dehydrating layer consisting essentially of a water absorbing polymer substance dispersed in a hydrophilic adhesive substance selected from the group consisting of hydrophilic polysaccharides and the chemically modified product thereof and synthetic hydrophilic adhesive substances, said layer being placed on the surface, opposite to the surface where the protein-containing food to be dried is contacted, of the water-permeable film; and (c) a protective film covering over the dehydrating layer.
Claim 3
Dependent Claim
28 words
A contact-dehydrating sheet as claimed in claim 1, wherein said water-permeable film is selected from the group consisting of cellophane, glassine paper, parchment paper and non-woven fabric films.
Claim 4
Dependent Claim
20 words
A contact-dehydrating sheet as claimed in claim 1, wherein said water absorbing polymer substance is a water-insoluble hydrophilic polymer compound.
Claim 5
Dependent Claim
43 words
A contact-dehydrating sheet as claimed in claim 3, wherein said water-insoluble hydrophilic polymer compound is selected from the group consisting of tridimensional crosslinked products of hydrophilic polymers or copolymers, graft copolymers of acryl or methacryl compounds with polysaccharides and the saponified products thereof.
Claim 6
Dependent Claim
39 words
A contact-dehydrating sheet as claimed in claim 1, wherein said protective film is selected from the group consisting of cellophane, glassine paper, parchment paper, paraffin paper, non-woven fabric films, synthetic resin films, metal foil and any combined films thereof.
Claim 7
Independent Claim
104 words
A method for drying protein-containing food comprising the step of contacting at least a portion of the protein-containing food to be dried with a contact-dehydrating sheet, said sheet comprising (a) a water-permeable film; (b) a dehydrating layer consisting essentially of a water absorbing polymer substance dispersed in a hydrophilic adhesive substance selected from the group consisting of hydrophilic polysaccharides and the chemically modified product thereof, and synthetic hydrophilic adhesive substances, said layer being placed on the surface, opposite to the surface where the protein-containing food to be dried is contacted, of the water-permeable film; and (c) a protective film covering over the dehydrating layer.
Claim 8
Independent Claim
104 words
A method for drying protein-containing food comprising the step of contacting at least a portion of the protein-containing food to be dried with a contact-dehydrating sheet, said sheet comprising (a) a water-permeable film; (b) a dehydrating layer consisting essentially of a water absorbing polymer substance dispersed in a hydrophilic adhesive substance selected from the group consisting of hydrophilic polysaccharides and the chemically modified product thereof, and synthetic hydrophilic adhesive substances, said layer being placed on the surface, opposite to the surface where the protein-containing food to be dried is contacted, of the water-permeable film; and (c) a protective film covering over the dehydrating layer.
Claim 9
Dependent Claim
104 words
A contact-dehydrating sheet for drying protein-containing food comprising: (a) a water-permeable film; (b) a dehydrating layer consisting essentially of a water absorbing polymer substance dispersed in a hydrophilic adhesive substance selected from the group consisting of hydrophilic polysaccharides and the chemically modified product thereof, and synthetic hydrophilic adhesive substances, said layer being placed on the surface, opposite the surface where the protein-containing food to be dried is contacted, of the water-permeable film; (c) a protective film covering the dehydrated layer; and (d) a spacer composed of a netting, a perforated plate, or an embossed sheet for preventing the movement of the water-absorbing polymer substance.
Claim 10
Dependent Claim
104 words
A contact-dehydrating sheet for drying protein-containing food comprising: (a) a water-permeable film; (b) a dehydrating layer consisting essentially of a water absorbing polymer substance dispersed in a hydrophilic adhesive substance selected from the group consisting of hydrophilic polysaccharides and the chemically modified product thereof, and synthetic hydrophilic adhesive substances, said layer being placed on the surface, opposite the surface where the protein-containing food to be dried is contacted, of the water-permeable film; (c) a protective film covering the dehydrated layer; and (d) a spacer composed of a netting, a perforated plate, or an embossed sheet for preventing the movement of the water-absorbing polymer substance.
Claim 11
Dependent Claim
28 words
A contact-dehydrating sheet as claimed in claim 7, wherein said water-permeable film is selected from the group consisting of cellophane, glassine paper, parchment paper, and non-woven fabric films.
Claim 12
Dependent Claim
43 words
A contact-dehydrating sheet as claimed in claim 7, wherein said water-absorbing polymer substance compound is selected from the group consisting of tridimensional crosslinked products of hydrophilic polymers or copolymers, graft copolymers of acrylic or methacryl compounds with polysaccharides and the saponified products thereof.
Claim 13
Dependent Claim
39 words
A contact-dehydrating sheet as claimed in claim 7, wherein said protective film is selected from the group consisting of cellophane, glassine paper, parchment paper, paraffin paper, non-woven fabric films, synthetic resin films, metal foil and any combined films thereof.
References Cited (Backward Citations)
US3661815A
Cited
US4124116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-05-16 | 1986-11-15 | 1987-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-16 | 1990-11-15 | 1991-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-16 | 1994-11-15 | 1995-05-17 | $7700.00 | Window Closed / Lapsed |