Patent US1861683A successfully refreshed from Google Patents.
Patent US4563393A successfully refreshed from Google Patents.
US4563393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminate of polyvinylidene fluoride bonded to thermoplastic resin
Assignee: JSR Corp
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Filing: 1985-01-25
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Granted: 1986-01-07
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Expires: 2005-01-25
Abstract
Abstract A laminate consisting essentially of a layer of a thermoplastic resin (A) and a layer of a vinylidene fluoride resin (B), the layer of the resin (A) containing (C) polymerized units of an ethylenic unsaturated carboxylic acid ester in a proportion of 3 to 80% by weight based on the total weight of the layer of the resin (A). The polymerized units (C) of an ethylenic unsaturated carboxylic acid ester may exist either as a copolymer constituent of the resin (A) or in the form of an ethylenic unsaturated carboxylic acid ester polymer (C') blended in the layer of the resin (A).
Inventors
- 👤 Yozo Kitagawa
- 👤 Akinori Nishioka
- 👤 Yasuo Higuchi
- 👤 Tadahiko Tsutsumi
- 👤 Takashi Yamaguchi
- 👤 Tadashi Kato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:31
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/30; B32B27/304; B32B27/308; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507; Y10T428/3154; Y10T428/31544; Y10T428/31855; Y10T428/31909; Y10T428/31928; Y10T428/31931
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
62 words
A laminate consisting essentially of a layer of a thermoplastic resin (A) and a layer of a vinylidene fluoride resin (B), characterized in that the layer of the resin (A) contains polymerized units (C) of an ethylenic unsaturated carboxylic acid ester, the content of which is 3 to 80% by weight based on the weight of the layer of the resin (A).
Claim 2
Dependent Claim
62 words
A laminate consisting essentially of a layer of a thermoplastic resin (A) and a layer of a vinylidene fluoride resin (B), characterized in that the layer of the resin (A) contains polymerized units (C) of an ethylenic unsaturated carboxylic acid ester, the content of which is 3 to 80% by weight based on the weight of the layer of the resin (A).
Claim 3
Dependent Claim
33 words
A laminate according to claim 1, wherein the thermoplastic resin (A) is at least one member selected from the group consisting of engineering plastics, chlorine-containing thermoplastic resins and aromatic alkenyl type thermoplastic resins.
Claim 4
Dependent Claim
35 words
A laminate according to claim 2, wherein the engineering plastic is at least one resin selected from the group consisting of polycarbonate resin, polyacetal resin, polyphenylene ether resin, polyamide resin, polyurethane resin and polyester resin.
Claim 5
Dependent Claim
19 words
A laminate according to claim 1, wherein the chlorine-containing thermoplastic resin is a homopolymer or copolymer of vinyl chloride.
Claim 6
Dependent Claim
32 words
A laminate according to claim 2, wherein the chlorine-containing thermoplastic resin is at least one member selected from the group consisting of polyvinyl chloride, vinyl chloride-ethylene copolymer and vinyl chloride-vinyl acetate copolymer.
Claim 7
Dependent Claim
53 words
A laminate according to claim 2, wherein the aromatic alkenyl type thermoplastic resin is a homopolymer of an aromatic alkenyl compound or a copolymer of an aromatic alkenyl compound and at least one compound selected from the group consisting of ethylenic unsaturated carboxylic acid esters, ethylenic unsaturated carboxylic acids and alkenyl cyanide compounds.
Claim 8
Dependent Claim
17 words
A laminate according to claim 2, wherein the aromatic alkenyl type thermoplastic resin contains a rubber-like polymer.
Claim 9
Dependent Claim
27 words
A laminate according to claim 7, wherein the rubber-like polymer is at least one substance selected from the group consisting of conjugated diene rubbers and olefinic rubbers.
Claim 10
Dependent Claim
25 words
A laminate according to claim 1, wherein the vinylidene fluoride resin (B) is polyvinylidene fluoride or a copolymer containing 50% or more of vinylidene fluoride.
Claim 11
Dependent Claim
36 words
A laminate according to claim 1, wherein the ethylenic unsaturated carboxylic acid ester is at least one member selected from the group consisting of alkyl acrylates, alkyl methacrylates and hydroxyalkyl esters of ethylenic unsaturated carboxylic acids.
Claim 12
Dependent Claim
17 words
A laminate according to claim 1, wherein the ethylenic unsaturated carboxylic acid ester is an alkyl methacrylate.
Claim 13
Dependent Claim
16 words
A laminate according to claim 1, wherein the ethylenic unsaturated carboxylic acid ester is methyl methacrylate.
Claim 14
Dependent Claim
32 words
A laminate according to claim 1, wherein the content of polymerized units of an ethylenic unsaturated carboxylic acid ester in the layer of the resin (A) is 3 to 70% by weight.
Claim 15
Dependent Claim
32 words
A laminate according to claim 1, wherein the content of polymerized units of an ethylenic unsaturated carboxylic acid ester in the layer of the resin (A) is 5 to 70% by weight.
Claim 16
Dependent Claim
32 words
A laminate according to claim 1, wherein the content of polymerized units of an ethylenic unsaturated carboxylic acid ester in the layer of the resin (A) is 5 to 60% by weight.
Claim 17
Dependent Claim
31 words
A laminate according to claim 1, wherein the layer of the vinylidene fluoride resin (B) contains 2 to 40% by weight of polymerized units of an ethylenic unsaturated arboxylic acid ester.
Claim 18
Dependent Claim
26 words
A laminate according to claim 16, wherein an ethylenic unsaturated carboxylic acid ester polymer (C') is contained in the layer of the vinylidene fluoride resin (B).
Claim 19
Dependent Claim
60 words
A laminate according to claim 17, wherein the ethylenic unsaturated carboxylic acid ester polymer (C') is a homopolymer of an ethylenic unsaturated carboxylic acid ester; a copolymer of an ethylenic unsaturated carboxylic acid ester and at least one other copolymerizable vinyl monomer, at least one rubber-like polymer or both of them; or a blend of said homopolymer and said copolymer.
Claim 20
Dependent Claim
25 words
A laminate according to claim 1, wherein an ethylenic unsaturated carboxylic acid ester polymer (C') is contained in the layer of the thermoplastic resin (A).
Claim 21
Dependent Claim
60 words
A laminate according to claim 19, wherein the ethylenic unsaturated carboxylic acid ester polymer (C') is a homopolymer of an ethylenic unsaturated carboxylic acid ester; a copolymer of an ethylenic unsaturated carboxylic acid ester and at least one other copolymerizable vinyl monomer, at least one rubber-like polymer or both of them; or a blend of said homopolymer and said copolymer.
Claim 22
Dependent Claim
18 words
A laminate according to claim 20, wherein the ethylenic unsaturated carboxylic acid ester polymer (C') is polymethyl methacrylate.
References Cited (Backward Citations)
US4444826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-06 | 1989-07-08 | 1990-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-06 | 1993-07-08 | 1994-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-06 | 1997-07-08 | 1998-01-07 | $7700.00 | Window Closed / Lapsed |