FR2167741B3 - - Google Patents
Info
- Publication number
- FR2167741B3 FR2167741B3 FR7300356A FR7300356A FR2167741B3 FR 2167741 B3 FR2167741 B3 FR 2167741B3 FR 7300356 A FR7300356 A FR 7300356A FR 7300356 A FR7300356 A FR 7300356A FR 2167741 B3 FR2167741 B3 FR 2167741B3
- Authority
- FR
- France
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/02—Methods and apparatus for dehydrating gypsum
-
- 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
- C01F11/466—Conversion of one form of calcium sulfate to another
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722200610 DE2200610A1 (de) | 1972-01-07 | 1972-01-07 | Verfahren zur gewinnung von kalziumsulfatbetahalbhydrat aus kalziumsulfatdihydrat |
DE19722225817 DE2225817A1 (de) | 1972-05-26 | 1972-05-26 | Verfahren zur herstellung von kalziumsulfathalbhydrat, anhydrit iii und/oder anhydrit ii |
DE19722226007 DE2226007A1 (de) | 1972-05-29 | 1972-05-29 | Verfahren zur gewinnung von kalziumsulfathalbhydrat aus kalziumsulfatdihydrat |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2167741A1 FR2167741A1 (en) | 1973-08-24 |
FR2167741B3 true FR2167741B3 (hu) | 1976-01-09 |
Family
ID=27184015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7300356A Granted FR2167741A1 (en) | 1972-01-07 | 1973-01-05 | Beta-calcium sulphate semi-hydrate prodn - by calcining calcium sulphate dihydrate and passing the gases over anhydrite |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE793719A (hu) |
FR (1) | FR2167741A1 (hu) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19627249C2 (de) * | 1996-07-08 | 2002-01-17 | Sicowa Verfahrenstech | Verfahren zur Herstellung von praktisch phasenreinem Calciumsulfat-beta-Halbhydrat |
-
0
- BE BE793719D patent/BE793719A/xx unknown
-
1973
- 1973-01-05 FR FR7300356A patent/FR2167741A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
BE793719A (fr) | 1973-05-02 |
FR2167741A1 (en) | 1973-08-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |