Patent EP0481564A2 successfully refreshed from Google Patents.
EP0481564A2
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EP
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Oily matter containing heat storage material and manufacturing method thereof
Assignee: Panasonic Electric Works Co Ltd
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Filing: 1991-10-14
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Granted: —
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Expires: 2011-10-14
Abstract
Abstract An oily matter carrier is made to carry an oily matter dispersed in a substrate of an ethylene-α-olefin copolymer having a smaller density than a predetermined value. An exudation of the oily matter out of the carrier can be thereby effectively restricted.
Inventors
- 👤 Mikio Sei
- 👤 Kenji Kaneoka
- 👤 Tadashi Urano
- 👤 Katsuhiko Maruo
- 👤 Mitsuhiro Tsurugi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-10 01:07
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0807; C08L23/0815; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/10; C08L23/16; C09; C09K; C09K5/00; C09K5/02; C09K5/06; C09K5/063; C08L23/06; C08L91/00
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
52 words
An oily matter carrier in which an oily matter is carried by a substrate consisting of a synthetic resin, characterized in that said synthetic resin consists, at least as a main component, of an ethylene-α-olefin copolymer "A" of a density smaller than 0.925g/cm³, and said oily matter is dispersed within the substrate.
Claim 2
Dependent Claim
15 words
The carrier of claim 1 which further comprises an inorganic filler dispersed within said substrate.
Claim 3
Dependent Claim
13 words
The carrier of claim 2 wherein said inorganic filler is of a metal.
Claim 4
Dependent Claim
14 words
The carrier of claim 2 wherein said inorganic filler is of a matallic hydroxide.
Claim 5
Dependent Claim
18 words
The carrier of claim 1 wherein said oily matter is one showing a compatibility with said copolymer "A".
Claim 6
Dependent Claim
24 words
The carrier of claim 1 wherein the density of said copolymer "A" is smaller than 0.89g/cm³, and said oily matter is in liquid state.
Claim 7
Dependent Claim
24 words
The carrier of claim 5 wherein said oily matter is one selected from the group consisting of paraffin, aliphatic acid and aliphatic acid ester.
Claim 8
Dependent Claim
31 words
The carrier of claim 1 wherein said copolymer "A" is contained in a range of 10 to 70wt.%, and said oily matter is contained in a range of 30 to 90wt.%.
Claim 9
Dependent Claim
14 words
The carrier of claim 8 wherein said copolymer "A" is contained more than 23wt.%.
Claim 10
Dependent Claim
14 words
The carrier of claim 2 wherein said inorganic filler is contained more than 4.5wt.%.
Claim 11
Dependent Claim
57 words
An oily matter carrier comprising a substrate consisting of an ethylene-α-olefin copolymer "A" of a density smaller than 0.925g/cm³ and one of a density larger than that of said copolymer "A" and selected from the group consisting of an ethylene-α-olefin copolymer "B", a medium-density polyethylene and a high-density polyethylene, and an oily matter dispersed within said substrate.
Claim 12
Dependent Claim
35 words
The carrier of claim 11 wherein said oily matter is one showing a compatibility with said copolymer "A" and said one selected from the group consisting of said copolymer "B", medium-density polyethylene and high-density polyethylene.
Claim 13
Dependent Claim
40 words
The carrier of claim 11 wherein the density of said copolymer "A" is smaller than 0.89g/cm³, and the density of said one selected from the group consisting of said copolymer "B", medium-density polyethylene and high-density polyethylene is larger than 0.925g/cm³.
Claim 14
Dependent Claim
24 words
The carrier of claim 12 wherein said oily matter is one selected from the group consisting of paraffin, aliphatic acid and aliphatic acid ester.
Claim 15
Dependent Claim
30 words
The carrier of claim 11 wherein said substrate is contained in a range of 10 to 70wt.%, and said oily matter is contained in a range of 30 to 90wt.%.
Claim 16
Dependent Claim
13 words
The carrier of claim 15 wherein said substrate is contained more than 23wt.%.
Claim 17
Dependent Claim
15 words
The carrier of claim 11 which further comprises an inorganic filler dispersed within said substrate.
Claim 18
Dependent Claim
13 words
The carrier of claim 17 wherein said inorganic filler is of a metal.
Claim 19
Dependent Claim
14 words
The carrier of claim 17 wherein said inorganic filler is of a metallic hydroxide.
Claim 20
Dependent Claim
14 words
The carrier of claim 17 wherein said inorganic filler is contained more than 4.5wt.%.
Claim 21
Independent Claim
59 words
A method for manufacturing an oily matter carrier, the method comprising the steps of preparing a substrate with, at least as a main component, an ethylene-α-olefin copolymer "A" of a density smaller than 0.925g/cm³, mixing an oily matter with said substrate into a melt mixture, and molding said melt mixture into a desired form while cooling the melt mixture.
Claim 22
Dependent Claim
16 words
The method of claim 21 wherein said copolymer "A" is of the density smaller than 0.89g/cm³.
Claim 23
Dependent Claim
23 words
The method of claim 21 wherein an inorganic filler is further mixed in said melt mixture of said oily matter with said substrate.
Claim 24
Independent Claim
83 words
A method for manufacturing an oily matter carrier, the method comprising the steps of preparing a substrate with an ethylene-α-olefin copolymer "A" of a density smaller than 0.925g/cm³ and one of a density larger than that of said copolymer "A" and selected from the group consisting of an ethylene-α-olefin copolymer "B", a medium-density polyethylene and a high-density polyethylene, mixing an oily matter with said substrate into a melt mixture, and molding said melt mixture into a desired form while cooling the melt mixture.
Claim 25
Dependent Claim
39 words
The method of claim 24 wherein the density of said copolymer is smaller than 0.89g/cm³, and the density of said one selected from the group consisting of said copolymer "B", medium-density polyethylene and high-density polyethylene is larger than 0.925g/cm³.
Claim 26
Dependent Claim
23 words
The method of claim 24 wherein an inorganic filler is further mixed in said melt mixture of said oily matter with said substrate.
References Cited (Backward Citations)
No citation records indexed.
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