AT330808B - Verfahren zur herstellung von gereinigtem synthetischen calciumsulfat-semihydrat - Google Patents
Verfahren zur herstellung von gereinigtem synthetischen calciumsulfat-semihydratInfo
- Publication number
- AT330808B AT330808B AT584073A AT584073A AT330808B AT 330808 B AT330808 B AT 330808B AT 584073 A AT584073 A AT 584073A AT 584073 A AT584073 A AT 584073A AT 330808 B AT330808 B AT 330808B
- Authority
- AT
- Austria
- Prior art keywords
- manufacturing
- calcium sulfate
- synthetic calcium
- purified synthetic
- sulfate semihydrate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722233189 DE2233189C2 (de) | 1972-07-06 | 1972-07-06 | Verfahren zur Herstellung von reinem Calciumsulfathalbhydrat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA584073A ATA584073A (de) | 1975-10-15 |
| AT330808B true AT330808B (de) | 1976-07-26 |
Family
ID=5849879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT584073A AT330808B (de) | 1972-07-06 | 1973-07-03 | Verfahren zur herstellung von gereinigtem synthetischen calciumsulfat-semihydrat |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4969577A (sv) |
| AT (1) | AT330808B (sv) |
| BE (1) | BE801940A (sv) |
| DE (1) | DE2233189C2 (sv) |
| FI (1) | FI58768C (sv) |
| FR (1) | FR2192068B1 (sv) |
| GB (1) | GB1445425A (sv) |
| IT (1) | IT990926B (sv) |
| NL (1) | NL176771C (sv) |
| SE (1) | SE391706B (sv) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1592778B2 (de) * | 1963-10-15 | 1976-02-12 | Stamicarbon B.V., Heerlen (Niederlande) | Verfahren zur herstellung eines stickstoff- und phosphathaltigen duengemittels |
| LU49007A1 (sv) * | 1965-07-07 | 1967-01-09 |
-
1972
- 1972-07-06 DE DE19722233189 patent/DE2233189C2/de not_active Expired
-
1973
- 1973-07-03 AT AT584073A patent/AT330808B/de not_active IP Right Cessation
- 1973-07-04 IT IT2618173A patent/IT990926B/it active
- 1973-07-05 NL NL7309394A patent/NL176771C/xx not_active IP Right Cessation
- 1973-07-05 JP JP7535473A patent/JPS4969577A/ja active Pending
- 1973-07-05 SE SE7309517A patent/SE391706B/sv unknown
- 1973-07-05 FI FI215873A patent/FI58768C/sv active
- 1973-07-05 BE BE133138A patent/BE801940A/xx not_active IP Right Cessation
- 1973-07-06 FR FR7324999A patent/FR2192068B1/fr not_active Expired
- 1973-07-06 GB GB3224573A patent/GB1445425A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7309394A (sv) | 1974-01-08 |
| FI58768B (fi) | 1980-12-31 |
| FI58768C (sv) | 1988-08-03 |
| FR2192068B1 (sv) | 1978-02-10 |
| NL176771C (nl) | 1985-06-03 |
| DE2233189C2 (de) | 1986-06-26 |
| BE801940A (fr) | 1973-11-05 |
| FR2192068A1 (sv) | 1974-02-08 |
| IT990926B (it) | 1975-07-10 |
| JPS4969577A (sv) | 1974-07-05 |
| DE2233189A1 (de) | 1974-01-24 |
| NL176771B (nl) | 1985-01-02 |
| ATA584073A (de) | 1975-10-15 |
| SE391706B (sv) | 1977-02-28 |
| GB1445425A (en) | 1976-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EIH | Change in the person of patent owner | ||
| ELJ | Ceased due to non-payment of the annual fee |