NL291734A - Optical brightener - Google Patents

Optical brightener

Info

Publication number
NL291734A
NL291734A NL291734A NL291734A NL291734A NL 291734 A NL291734 A NL 291734A NL 291734 A NL291734 A NL 291734A NL 291734 A NL291734 A NL 291734A NL 291734 A NL291734 A NL 291734A
Authority
NL
Netherlands
Prior art keywords
optical brightener
brightener
optical
Prior art date
Application number
NL291734A
Other languages
Dutch (nl)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of NL291734A publication Critical patent/NL291734A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
NL291734A 1962-04-21 1963-04-19 Optical brightener NL291734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE291734X 1962-04-21

Publications (1)

Publication Number Publication Date
NL291734A true NL291734A (en) 1964-05-11

Family

ID=1875307

Family Applications (1)

Application Number Title Priority Date Filing Date
NL291734A NL291734A (en) 1962-04-21 1963-04-19 Optical brightener

Country Status (1)

Country Link
NL (1) NL291734A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988346A (en) * 1974-06-18 1976-10-26 Sandoz Ltd. Pyrazoline compounds useful as optical brighteners

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988346A (en) * 1974-06-18 1976-10-26 Sandoz Ltd. Pyrazoline compounds useful as optical brighteners

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