DE2250480C3 - Verfahren zur Herstellung von Monovinylacetylen - Google Patents

Verfahren zur Herstellung von Monovinylacetylen

Info

Publication number
DE2250480C3
DE2250480C3 DE2250480A DE2250480A DE2250480C3 DE 2250480 C3 DE2250480 C3 DE 2250480C3 DE 2250480 A DE2250480 A DE 2250480A DE 2250480 A DE2250480 A DE 2250480A DE 2250480 C3 DE2250480 C3 DE 2250480C3
Authority
DE
Germany
Prior art keywords
percent
acid
weight
acetylene
catalyst
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.)
Expired
Application number
DE2250480A
Other languages
German (de)
English (en)
Other versions
DE2250480B2 (de
DE2250480A1 (de
Inventor
Klaus Dipl.-Chem. Dr. 5033 Huerth- Knapsack Gehrmann
Guenter Dipl.-Chem. Dr. 5040 Bruehl Legutke
Alexander Dipl.-Chem. Dr. 5042 Erftstadt-Liblar Ohorodnik
Hermann 5030 Huerth Vierling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
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
Priority to DE2250480A priority Critical patent/DE2250480C3/de
Priority to IE471/73A priority patent/IE37445B1/xx
Priority to GB1571973A priority patent/GB1378119A/en
Priority to US00353200A priority patent/US3806554A/en
Priority to DD170352A priority patent/DD103232A5/xx
Priority to IT49628/73A priority patent/IT983034B/it
Priority to JP48048324A priority patent/JPS4954307A/ja
Priority to SU1915779A priority patent/SU504473A3/ru
Priority to CS3050A priority patent/CS178424B2/cs
Priority to FR7330994A priority patent/FR2203127A1/fr
Publication of DE2250480A1 publication Critical patent/DE2250480A1/de
Publication of DE2250480B2 publication Critical patent/DE2250480B2/de
Application granted granted Critical
Publication of DE2250480C3 publication Critical patent/DE2250480C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Magnetic Record Carriers (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2250480A 1972-04-27 1972-10-14 Verfahren zur Herstellung von Monovinylacetylen Expired DE2250480C3 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE2250480A DE2250480C3 (de) 1972-10-14 1972-10-14 Verfahren zur Herstellung von Monovinylacetylen
IE471/73A IE37445B1 (en) 1972-04-27 1973-03-23 Process for the manufacture of monovinylacetylene
GB1571973A GB1378119A (en) 1972-04-27 1973-04-02 Process for the manufacture of monovinylacetylene
US00353200A US3806554A (en) 1972-04-27 1973-04-20 Process for the manufacture of monovinylacetylene
DD170352A DD103232A5 (cg-RX-API-DMAC10.html) 1972-04-27 1973-04-23
IT49628/73A IT983034B (it) 1972-04-27 1973-04-24 Procedimento per la produzione di monovinilacetilene
JP48048324A JPS4954307A (cg-RX-API-DMAC10.html) 1972-04-27 1973-04-26
SU1915779A SU504473A3 (ru) 1972-04-27 1973-04-27 Способ получени моновинилацетилена
CS3050A CS178424B2 (cg-RX-API-DMAC10.html) 1972-04-27 1973-04-27
FR7330994A FR2203127A1 (en) 1972-10-14 1973-08-22 Corrosion resisting magnetic recording element - prepd. by coating with a metal, an antimagnetic layer, and an oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2250480A DE2250480C3 (de) 1972-10-14 1972-10-14 Verfahren zur Herstellung von Monovinylacetylen

Publications (3)

Publication Number Publication Date
DE2250480A1 DE2250480A1 (de) 1974-05-09
DE2250480B2 DE2250480B2 (de) 1974-12-05
DE2250480C3 true DE2250480C3 (de) 1975-07-17

Family

ID=5859059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2250480A Expired DE2250480C3 (de) 1972-04-27 1972-10-14 Verfahren zur Herstellung von Monovinylacetylen

Country Status (2)

Country Link
DE (1) DE2250480C3 (cg-RX-API-DMAC10.html)
FR (1) FR2203127A1 (cg-RX-API-DMAC10.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL181759C (nl) * 1976-09-14 1987-10-16 Dainippon Printing Co Ltd Magnetisch registratiemateriaal.
US4079169A (en) * 1976-11-15 1978-03-14 International Business Machines Corporation Cobalt base alloy as protective layer for magnetic recording media
JPS57191830A (en) * 1981-05-22 1982-11-25 Sony Corp Magnetic recording medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161946A (en) * 1964-12-22 permalloy
FR1453000A (fr) * 1965-11-03 1966-04-15 Ibm Organe d'enregistrement magnétique résistant à l'usure
FR1511664A (fr) * 1966-12-23 1968-02-02 Commissariat Energie Atomique Couches minces à fort champ coercitif

Also Published As

Publication number Publication date
DE2250480B2 (de) 1974-12-05
FR2203127B1 (cg-RX-API-DMAC10.html) 1976-11-19
DE2250480A1 (de) 1974-05-09
FR2203127A1 (en) 1974-05-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EGZ Application of addition ceased through non-payment of annual fee of main patent
EHZ Patent of addition ceased/non-payment of annual fee of parent patent