CH140852A - Schaltung für Stromwächter. - Google Patents

Schaltung für Stromwächter.

Info

Publication number
CH140852A
CH140852A CH140852DA CH140852A CH 140852 A CH140852 A CH 140852A CH 140852D A CH140852D A CH 140852DA CH 140852 A CH140852 A CH 140852A
Authority
CH
Switzerland
Prior art keywords
circuit
current monitor
monitor
current
Prior art date
Application number
Other languages
English (en)
Inventor
Aktieng Siemens-Schuckertwerke
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of CH140852A publication Critical patent/CH140852A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66—Polyesters containing oxygen in the form of ether groups
    • C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/16—Cyclic ethers having four or more ring atoms
    • C08G65/18—Oxetanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyethers (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Polyesters Or Polycarbonates (AREA)
CH140852D 1951-10-08 1929-06-22 Schaltung für Stromwächter. CH140852A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE323614X 1951-10-08
DE140852X 1952-08-14

Publications (1)

Publication Number Publication Date
CH140852A true CH140852A (de) 1930-06-30

Family

ID=25751964

Family Applications (2)

Application Number Title Priority Date Filing Date
CH140852D CH140852A (de) 1951-10-08 1929-06-22 Schaltung für Stromwächter.
CH323614D CH323614A (de) 1951-10-08 1952-09-05 Verfahren zur Herstellung von Kunstharzen mit Estergruppen

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH323614D CH323614A (de) 1951-10-08 1952-09-05 Verfahren zur Herstellung von Kunstharzen mit Estergruppen

Country Status (2)

Country Link
CH (2) CH140852A (de)
GB (1) GB729487A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE519745C2 (sv) * 2000-10-27 2003-04-08 Perstorp Specialty Chem Ab Ny oxetanpolyester
US7475686B2 (en) * 2004-10-15 2009-01-13 Cabot Safety Intermediate Corporation Earplug

Also Published As

Publication number Publication date
GB729487A (en) 1955-05-04
CH323614A (de) 1957-08-15

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