DE172301C - - Google Patents

Info

Publication number
DE172301C
DE172301C DENDAT172301D DE172301DA DE172301C DE 172301 C DE172301 C DE 172301C DE NDAT172301 D DENDAT172301 D DE NDAT172301D DE 172301D A DE172301D A DE 172301DA DE 172301 C DE172301 C DE 172301C
Authority
DE
Germany
Prior art keywords
esters
azoesters
modification
instead
here
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT172301D
Other languages
German (de)
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.)
Publication of DE172301C publication Critical patent/DE172301C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/06—Key inserted and then turned to effect operation of the switch
    • H01H27/08—Key inserted and then turned to effect operation of the switch wherein the key cannot be removed until the switch is returned to its original position

Landscapes

  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Abänderung des durch Patent 170587 geschützten Verfahrens zur Darstellung von Alkaminestern der o- und m-Aminobenzoesäure, darin bestehend, daß man an Stelle der dort verwendeten Nitroester hier die entsprechenden Azoester reduziert. Modification of the method of representation protected by patent 170587 of alkamine esters of o- and m-aminobenzoic acid, consisting in that instead of the nitro esters used there here the corresponding azoesters are reduced.
DENDAT172301D 1921-11-03 Active DE172301C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US518856A US1496841A (en) 1921-11-03 1921-11-03 Switch

Publications (1)

Publication Number Publication Date
DE172301C true DE172301C (en)

Family

ID=24065777

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT172301D Active DE172301C (en) 1921-11-03

Country Status (2)

Country Link
US (1) US1496841A (en)
DE (1) DE172301C (en)

Also Published As

Publication number Publication date
US1496841A (en) 1924-06-10

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