CH527210A - Verfahren zur Herstellung optischer Aufheller - Google Patents

Verfahren zur Herstellung optischer Aufheller

Info

Publication number
CH527210A
CH527210A CH1659370A CH1659370A CH527210A CH 527210 A CH527210 A CH 527210A CH 1659370 A CH1659370 A CH 1659370A CH 1659370 A CH1659370 A CH 1659370A CH 527210 A CH527210 A CH 527210A
Authority
CH
Switzerland
Prior art keywords
production
optical brighteners
brighteners
optical
Prior art date
Application number
CH1659370A
Other languages
German (de)
English (en)
Inventor
Horst Dr Scheuermann
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of CH527210A publication Critical patent/CH527210A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D271/06—1,2,4-Oxadiazoles; Hydrogenated 1,2,4-oxadiazoles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1659370A 1969-11-22 1970-11-09 Verfahren zur Herstellung optischer Aufheller CH527210A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691958778 DE1958778A1 (de) 1969-11-22 1969-11-22 Optische Aufheller

Publications (1)

Publication Number Publication Date
CH527210A true CH527210A (de) 1972-08-31

Family

ID=5751818

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1659370A CH527210A (de) 1969-11-22 1970-11-09 Verfahren zur Herstellung optischer Aufheller

Country Status (4)

Country Link
CH (1) CH527210A (fr)
DE (1) DE1958778A1 (fr)
FR (1) FR2069777A5 (fr)
GB (1) GB1321900A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2963394D1 (en) * 1978-06-09 1982-09-16 Hoechst Ag Stilbene compounds, process for their preparation and their use as optical brighteners

Also Published As

Publication number Publication date
DE1958778A1 (de) 1971-06-03
GB1321900A (en) 1973-07-04
FR2069777A5 (fr) 1971-09-03

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Legal Events

Date Code Title Description
PL Patent ceased