CH297356A - Needlework on a jacquard machine. - Google Patents

Needlework on a jacquard machine.

Info

Publication number
CH297356A
CH297356A CH297356DA CH297356A CH 297356 A CH297356 A CH 297356A CH 297356D A CH297356D A CH 297356DA CH 297356 A CH297356 A CH 297356A
Authority
CH
Switzerland
Prior art keywords
needlework
jacquard machine
jacquard
machine
Prior art date
Application number
Other languages
German (de)
Inventor
Dersen Heinrich
Hammers Franz
Original Assignee
Dersen Heinrich
Hammers Franz
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 Dersen Heinrich, Hammers Franz filed Critical Dersen Heinrich
Publication of CH297356A publication Critical patent/CH297356A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
    • C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
    • C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
    • C07D311/48—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
CH297356D 1950-07-11 1951-07-07 Needlework on a jacquard machine. CH297356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE297356X 1950-07-11

Publications (1)

Publication Number Publication Date
CH297356A true CH297356A (en) 1954-03-31

Family

ID=6090649

Family Applications (2)

Application Number Title Priority Date Filing Date
CH286322D CH286322A (en) 1950-07-11 1949-05-27 Process for the preparation of a whitening agent.
CH297356D CH297356A (en) 1950-07-11 1951-07-07 Needlework on a jacquard machine.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH286322D CH286322A (en) 1950-07-11 1949-05-27 Process for the preparation of a whitening agent.

Country Status (2)

Country Link
BE (1) BE491061A (en)
CH (2) CH286322A (en)

Also Published As

Publication number Publication date
CH286322A (en) 1952-10-15
BE491061A (en)

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