US4678713A
Expired / Lapsed
US
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Co-extruded laminates containing carbon monoxide interpolymers
Assignee: Dow Chemical Co
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Filing: 1985-05-28
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Granted: 1987-07-07
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Expires: 2005-05-28
Abstract
Abstract Carbon monoxide-containing polymers are disclosed which are heatable with high frequency (HF) electromagnetic radiation, including RF-frequencies and MW-frequencies, and which are used in imparting RF-sealability in structures, packaging material, laminates, and the like, including, e.g., multi-wall bags or containers, and co-extruded laminates.
Inventors
- 👤 Gerald M. Lancaster
- 👤 James A. Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:28
CPC Classifications
B; B32; B32B; B32B37/00; B32B27/00; B32B27/06; B32B27/08; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/70; B29C66/71; B29C66/712; B29C66/72; B29C66/723; B32B27/18; B32B27/30; B32B27/304; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43123; B29C66/45; B29C66/7232; B29C66/72321; B29C66/72324; B29C66/72325; B29C66/72326; B29C66/72327; B29C66/72328; B29C66/72329; B29C66/7234; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/08; B29K2023/083; B29K2023/086; B29K2027/00; B29K2027/12; B29K2027/18; B29K2031/00; B29K2031/04; B29K2033/00; B29K2033/04; B29K2069/00; B29K2105/00; B29K2105/0085; B32B2327/00; B32B2327/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
31 words
A co-extruded, multi-ply laminate comprising at least two different extrudable polymers wherein at least one ply comprises a carbon monoxide-containing polymer which is adhered to a ply comprising at least halopolymer.
Claim 2
Dependent Claim
31 words
A co-extruded, multi-ply laminate comprising at least two different extrudable polymers wherein at least one ply comprises a carbon monoxide-containing polymer which is adhered to a ply comprising at least halopolymer.
Claim 3
Dependent Claim
13 words
The laminate of claim 1 wherein there is at least one chloropolymer ply.
Claim 4
Dependent Claim
23 words
The laminate of claim 1 wherein the carbon monoxide-containing polymer comprises at least one of the group comprising ECO, ECOAA, ECOMAA, anc ECOVA.
Claim 5
Dependent Claim
12 words
The laminate of claim 1 wherein the carbon monoxide-containing polymer comprises ECO.
Claim 6
Dependent Claim
13 words
The laminate of claim 1 wherein the carbon monoxide-containing polymer comprises of ECOAA.
Claim 7
Dependent Claim
12 words
The laminate of claim 1 wherein the carbon monoxide-containing polymer comprises ECOMAA.
Claim 8
Dependent Claim
12 words
The laminate of claim 1 wherein the carbon monoxide-containing polymer comprises ECOVA.
Claim 9
Dependent Claim
19 words
The laminate of claim 1, characterized by the property of being RF-sealable by virtue of the carbon monoxide-containing polymer.
Claim 10
Dependent Claim
24 words
The laminate of claim 1 wherein there is at least one ply of a halopolymer selected from the group comprising chloropolymers, fluoropolymers, and chlorofluoropolymers.
Claim 11
Dependent Claim
28 words
The laminate of claim 1 wherein there is at least one ply of a halopolymer selected from the group comprising poly(vinyl chloride), poly(vinylidene chloride), and poly(vinyl chloride)(vinylidene chloride).
Claim 12
Dependent Claim
27 words
The co-extruded, multi-ply, film laminate material comprising at least one ply of a melt-extrudable carbon monoxide-containing ethylene polymer and at least one ply of a melt-extrudable halopolymer.
Claim 13
Dependent Claim
27 words
The co-extruded, multi-ply, film laminate material comprising at least one ply of a melt-extrudable carbon monoxide-containing ethylene polymer and at least one ply of a melt-extrudable halopolymer.
Claim 14
Dependent Claim
25 words
The laminate material of claim 11 wherein the carbon monoxide-containing ethylene polymer is at least one of the group comprising E/CO, E/CO/AA, E/CO/VA, and E/CO/MAA.
Claim 15
Dependent Claim
17 words
A laminate material of claim 11 wherein the halopolymer comprises polymers having pendant chloride and/or fluorine groups.
Claim 16
Dependent Claim
14 words
The laminate material of claim 11 wherein the halopolymer comprises chloropolymers, fluoropolymers, or chlorofluoropolymers.
Claim 17
Dependent Claim
25 words
The laminate material of claim 11 wherein the halopolymer comprises at least one of the group comprising polyvinyl halide, polyvinylidene halide, and poly(vinylidene halide)(vinyl halide).
Claim 18
Dependent Claim
25 words
The laminate material of claim 11 wherein the halopolymer comprises at least one of the group comprising polyvinyl chloride, polyvinylidene chloride, and poly(vinylidene chloride)(vinyl chloride).
Claim 19
Dependent Claim
18 words
The laminate material of claim 11 wherein the carbon monoxide-containing ethylene polymer and the halopolymer comprise adjacent plies.
Claim 20
Dependent Claim
21 words
The laminate material of claim 11 wherein the carbon monoxide-containing ethylene polymer is a ply between two plies of the halopolymer.
Claim 21
Dependent Claim
21 words
The laminate material of claim 11 wnerein the halopolymer is a ply between two plies of the carbon monoxide-containing ethylene polymer.
Claim 22
Dependent Claim
28 words
The laminate material of claim 11 wherein the halopolymer is a ply between a ply of carbon monoxide-containing ethylene polymer and a ply of a different melt-extrudable polymer.
Claim 23
Dependent Claim
29 words
The laminate material of claim 11 wherein the carbon monoxide-containing ethylene polymer is a ply between a ply of halopolymer and a ply of a different melt extrudable polymer.
Claim 24
Dependent Claim
15 words
The laminate material of claim 11, adhered to a substrate which was not co-extruded therewith.
Claim 25
Dependent Claim
36 words
The article comprising a substrate having adhered thereto a co-extruded, multi-ply, film laminate material, said laminate material comprising at least one ply of melt-extrudable carbon monoxide-containing ethylene polymer and at least one ply of a halopolymer.
Claim 26
Dependent Claim
36 words
The article comprising a substrate having adhered thereto a co-extruded, multi-ply, film laminate material, said laminate material comprising at least one ply of melt-extrudable carbon monoxide-containing ethylene polymer and at least one ply of a halopolymer.
Claim 27
Dependent Claim
24 words
The article of claim 23 wherein the carbon monoxide-containing ethylene polymer is at least one of the group comprising E/CO, E/CO/AA, E/CO/VA, and E/CO/MAA.
Claim 28
Dependent Claim
13 words
The article of claim 23 wherein the carbon monoxide-containing ethylene polymer is E/CO.
Claim 29
Dependent Claim
13 words
The article of claim 23 wherein the carbon monoxide-containing ethylene polymer is E/CO/AA.
Claim 30
Dependent Claim
13 words
The article of claim 23 wherein the carbon monoxide-containing ethylene polymer is E/CO/MAA.
Claim 31
Dependent Claim
13 words
The article of claim 23 wherein the carbon monoxide-containing ethylene polymer is E/CO/VA.
Claim 32
Dependent Claim
13 words
The article of claim 23 wherein the halopolymer comprises chloropolymers, fluoropolymers, or chlorofluoropolymers.
Claim 33
Dependent Claim
31 words
The article of claim 23 wherein the halopolymer comprises at least one of the group comprising polyvinyl halide, polyvinylidene halide, and poly(vinylidene halide)(vinyl halide), where each halide is chloride or fluoride.
Claim 34
Dependent Claim
24 words
The article of claim 23 wherein the halopolymer comprises at least one of the group comprising polyvinyl chloride, polyvinylidene chloride, and poly(vinylidene chloride)(vinyl chloride).
Claim 35
Dependent Claim
29 words
The article of claim 23 wherein the substrate comprises at least one material selected from the group comprising plastics, resins, paper, fabric, metal, ceramic, wood, glass, and cellulosic material.
Claim 36
Dependent Claim
42 words
The article of claim 23 wherein the substrate comprises a multi-ply material having two or more dissimilar plies, wherein each ply comprises at least one material selected from the group comprising plastics, resins, paper, fabric, metal, ceramic, wood, glass, and cellulosic material.
Claim 37
Dependent Claim
15 words
The laminate material comprising co-extruded, co-adhered, layers of a carbon monoxide-containing polymer and a halopolymer.
Claim 38
Dependent Claim
15 words
The laminate material comprising co-extruded, co-adhered, layers of a carbon monoxide-containing polymer and a halopolymer.
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) | 1990-07-06 | 1991-01-05 | 1991-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-06 | 1995-01-05 | 1995-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-06 | 1999-01-05 | 1999-07-07 | $7700.00 | Window Closed / Lapsed |