BE828838A - Compositions pour la reproduction des sons - Google Patents

Compositions pour la reproduction des sons

Info

Publication number
BE828838A
BE828838A BE156154A BE156154A BE828838A BE 828838 A BE828838 A BE 828838A BE 156154 A BE156154 A BE 156154A BE 156154 A BE156154 A BE 156154A BE 828838 A BE828838 A BE 828838A
Authority
BE
Belgium
Prior art keywords
sounds
reproduction
compositions
Prior art date
Application number
BE156154A
Other languages
English (en)
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE828838A publication Critical patent/BE828838A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
    • G11B3/705—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers characterised by the selection of the material only
BE156154A 1974-05-13 1975-05-07 Compositions pour la reproduction des sons BE828838A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/469,430 US3975321A (en) 1974-05-13 1974-05-13 Sound reproduction compositions

Publications (1)

Publication Number Publication Date
BE828838A true BE828838A (fr) 1975-09-01

Family

ID=23863772

Family Applications (1)

Application Number Title Priority Date Filing Date
BE156154A BE828838A (fr) 1974-05-13 1975-05-07 Compositions pour la reproduction des sons

Country Status (9)

Country Link
US (1) US3975321A (ja)
JP (1) JPS50145202A (ja)
BE (1) BE828838A (ja)
BR (1) BR7502303A (ja)
CA (1) CA1050197A (ja)
DE (1) DE2509555A1 (ja)
FR (1) FR2271241A1 (ja)
GB (1) GB1500520A (ja)
NL (1) NL7504465A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540654A1 (de) * 1975-09-12 1977-03-17 Hoechst Ag Kunststoffolie zur herstellung von bild-ton-informationstraegern
US4151132A (en) * 1977-07-25 1979-04-24 Rca Corporation Molding composition
US4129536A (en) * 1977-07-25 1978-12-12 Rca Corporation Vinyl chloride based injection molding composition
DE2965461D1 (en) * 1978-11-06 1983-07-07 Tate & Lyle Plc Gramophone record composition and gramophone records produced therefrom
EP0011419A1 (en) * 1978-11-09 1980-05-28 TATE & LYLE PUBLIC LIMITED COMPANY P.V.C. compositions for extrusion moulding
US4228050A (en) * 1979-01-15 1980-10-14 Rca Corporation Conductive molding composition
JPS5665342A (en) * 1979-10-29 1981-06-03 Victor Co Of Japan Ltd Electrostatic capacity type recording medium for information signal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3468858A (en) * 1964-12-31 1969-09-23 Air Reduction Vinyl chloride-propylene copolymers

Also Published As

Publication number Publication date
CA1050197A (en) 1979-03-06
FR2271241A1 (ja) 1975-12-12
GB1500520A (en) 1978-02-08
NL7504465A (nl) 1975-11-17
JPS50145202A (ja) 1975-11-21
BR7502303A (pt) 1976-03-23
DE2509555A1 (de) 1975-11-27
US3975321A (en) 1976-08-17

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