DE2250480C3 - Verfahren zur Herstellung von Monovinylacetylen - Google Patents
Verfahren zur Herstellung von MonovinylacetylenInfo
- 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
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)
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 (US07413550-20080819-C00001.png) | 1972-04-27 | 1973-04-23 | |
IT49628/73A IT983034B (it) | 1972-04-27 | 1973-04-24 | Procedimento per la produzione di monovinilacetilene |
JP48048324A JPS4954307A (US07413550-20080819-C00001.png) | 1972-04-27 | 1973-04-26 | |
CS3050A CS178424B2 (US07413550-20080819-C00001.png) | 1972-04-27 | 1973-04-27 | |
SU1915779A SU504473A3 (ru) | 1972-04-27 | 1973-04-27 | Способ получени моновинилацетилена |
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 (US07413550-20080819-C00001.png) |
FR (1) | FR2203127A1 (US07413550-20080819-C00001.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1536818A (en) * | 1976-09-14 | 1978-12-20 | Dainippon Printing Co Ltd | Magnetic sable recording structure |
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)
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 |
-
1972
- 1972-10-14 DE DE2250480A patent/DE2250480C3/de not_active Expired
-
1973
- 1973-08-22 FR FR7330994A patent/FR2203127A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2250480B2 (de) | 1974-12-05 |
FR2203127B1 (US07413550-20080819-C00001.png) | 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 |