DK64994C - Fremgangsmaade til Fremstilling af Grammofonplader. - Google Patents

Fremgangsmaade til Fremstilling af Grammofonplader.

Info

Publication number
DK64994C
DK64994C DK8342A DK8342A DK64994C DK 64994 C DK64994 C DK 64994C DK 8342 A DK8342 A DK 8342A DK 8342 A DK8342 A DK 8342A DK 64994 C DK64994 C DK 64994C
Authority
DK
Denmark
Prior art keywords
procedure
production
gramophone records
gramophone
records
Prior art date
Application number
DK8342A
Other languages
English (en)
Original Assignee
Deutsche Celluloid Fabrik
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 by Deutsche Celluloid Fabrik filed Critical Deutsche Celluloid Fabrik
Application granted granted Critical
Publication of DK64994C publication Critical patent/DK64994C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/46—Block or graft polymers prepared by polycondensation of aldehydes or ketones on to macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/38—Block or graft polymers prepared by polycondensation of aldehydes or ketones onto macromolecular compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DK8342A 1941-02-06 1942-01-12 Fremgangsmaade til Fremstilling af Grammofonplader. DK64994C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED84290D DE725712C (de) 1941-02-06 1941-02-06 Verfahren zur Herstellung von Schallplatten

Publications (1)

Publication Number Publication Date
DK64994C true DK64994C (da) 1946-11-04

Family

ID=7064091

Family Applications (1)

Application Number Title Priority Date Filing Date
DK8342A DK64994C (da) 1941-02-06 1942-01-12 Fremgangsmaade til Fremstilling af Grammofonplader.

Country Status (3)

Country Link
DE (1) DE725712C (da)
DK (1) DK64994C (da)
FR (1) FR879072A (da)

Also Published As

Publication number Publication date
DE725712C (de) 1942-09-29
FR879072A (fr) 1943-02-12

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