FR2453117B1 - - Google Patents
Info
- Publication number
- FR2453117B1 FR2453117B1 FR7908316A FR7908316A FR2453117B1 FR 2453117 B1 FR2453117 B1 FR 2453117B1 FR 7908316 A FR7908316 A FR 7908316A FR 7908316 A FR7908316 A FR 7908316A FR 2453117 B1 FR2453117 B1 FR 2453117B1
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7908316A FR2453117A1 (fr) | 1979-04-03 | 1979-04-03 | Procede d'obtention de sulfate de calcium hemihydrate a et produit ainsi obtenu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7908316A FR2453117A1 (fr) | 1979-04-03 | 1979-04-03 | Procede d'obtention de sulfate de calcium hemihydrate a et produit ainsi obtenu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2453117A1 FR2453117A1 (fr) | 1980-10-31 |
| FR2453117B1 true FR2453117B1 (enExample) | 1983-06-10 |
Family
ID=9223873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7908316A Granted FR2453117A1 (fr) | 1979-04-03 | 1979-04-03 | Procede d'obtention de sulfate de calcium hemihydrate a et produit ainsi obtenu |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2453117A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700327B1 (fr) * | 1993-01-14 | 1995-03-24 | Gupsos | Procédé de pilotage d'un four à plâtre ainsi que le dispositif associé. |
| DE19639448A1 (de) * | 1996-09-25 | 1998-04-02 | Sicowa Verfahrenstech | Verfahren zur Herstellung von schwerlöslichem Calciumsulfat-Anhydrit-II |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB163468A (en) * | 1920-02-18 | 1921-05-18 | William Malam Brothers | Improvements in the manufacture of plaster of paris |
| FR1127665A (fr) * | 1955-07-13 | 1956-12-21 | Procédé de fabrication de plâtres semi-hydratés de haute qualité | |
| US2907667A (en) * | 1956-03-30 | 1959-10-06 | United States Gypsum Co | Process of calcining gypsum |
| FR1403912A (fr) * | 1963-05-28 | 1965-06-25 | British Plaster Board Holdings | Perfectionnements à la fabrication du plâtre |
| FR2133124A5 (en) * | 1971-04-08 | 1972-11-24 | Garrigues Didier | Plaster of high water level - made by dissociating in dry steam atmosphere |
-
1979
- 1979-04-03 FR FR7908316A patent/FR2453117A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2453117A1 (fr) | 1980-10-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |