NL7206721A - - Google Patents
Info
- Publication number
- NL7206721A NL7206721A NL7206721A NL7206721A NL7206721A NL 7206721 A NL7206721 A NL 7206721A NL 7206721 A NL7206721 A NL 7206721A NL 7206721 A NL7206721 A NL 7206721A NL 7206721 A NL7206721 A NL 7206721A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0025—Adding carbon material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU63209 | 1971-05-21 | ||
| LU64230 | 1971-11-09 | ||
| LU64996 | 1972-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7206721A true NL7206721A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-23 |
| NL176588C NL176588C (nl) | 1985-05-01 |
Family
ID=27350670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7206721A NL176588C (nl) | 1971-05-21 | 1972-05-18 | Werkwijze voor het vervaardigen van staal met een vastgesteld fosforgehalte. |
Country Status (9)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54125115A (en) * | 1978-03-24 | 1979-09-28 | Japan Steel Works Ltd | Rephosphorization preventing method of electric furnace steel |
-
1972
- 1972-05-13 IT IT6850772A patent/IT966908B/it active
- 1972-05-16 BE BE783548A patent/BE783548A/xx not_active IP Right Cessation
- 1972-05-17 DE DE19722223958 patent/DE2223958C3/de not_active Expired
- 1972-05-18 FR FR7219066A patent/FR2140022B1/fr not_active Expired
- 1972-05-18 AT AT435972A patent/AT336063B/de not_active IP Right Cessation
- 1972-05-18 NL NL7206721A patent/NL176588C/xx not_active IP Right Cessation
- 1972-05-22 AU AU42551/72A patent/AU465462B2/en not_active Expired
- 1972-05-22 JP JP7250665A patent/JPS5841323B1/ja active Granted
- 1972-05-22 GB GB2394072A patent/GB1333518A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL176588C (nl) | 1985-05-01 |
| DE2223958A1 (de) | 1973-08-23 |
| ATA435972A (de) | 1976-08-15 |
| AU4255172A (en) | 1973-11-29 |
| FR2140022B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-06-17 |
| GB1333518A (en) | 1973-10-10 |
| FR2140022A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-01-12 |
| AU465462B2 (en) | 1975-09-25 |
| AT336063B (de) | 1977-04-12 |
| JPS5841323B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-09-12 |
| DE2223958B2 (de) | 1980-08-21 |
| DE2223958C3 (de) | 1981-04-09 |
| IT966908B (it) | 1974-02-20 |
| BE783548A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| V1 | Lapsed because of non-payment of the annual fee |