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BE576990A - Disazo dyes and their preparation process - Google Patents

Disazo dyes and their preparation process

Info

Publication number
BE576990A
BE576990A BE576990A BE576990A BE576990A BE 576990 A BE576990 A BE 576990A BE 576990 A BE576990 A BE 576990A BE 576990 A BE576990 A BE 576990A BE 576990 A BE576990 A BE 576990A
Authority
BE
Belgium
Prior art keywords
preparation process
disazo dyes
disazo
dyes
preparation
Prior art date
Application number
BE576990A
Other languages
French (fr)
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of BE576990A publication Critical patent/BE576990A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
    • H01H33/83—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas wherein the contacts are opened by the flow of air or gas
BE576990A 1958-03-24 1959-03-23 Disazo dyes and their preparation process BE576990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH576990X 1943-06-28

Publications (1)

Publication Number Publication Date
BE576990A true BE576990A (en) 1959-09-23

Family

ID=4521269

Family Applications (1)

Application Number Title Priority Date Filing Date
BE576990A BE576990A (en) 1958-03-24 1959-03-23 Disazo dyes and their preparation process

Country Status (2)

Country Link
BE (1) BE576990A (en)
GB (1) GB576990A (en)

Also Published As

Publication number Publication date
GB576990A (en) 1946-04-30

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