CH575352A5 - - Google Patents
Info
- Publication number
- CH575352A5 CH575352A5 CH1238373A CH1238373A CH575352A5 CH 575352 A5 CH575352 A5 CH 575352A5 CH 1238373 A CH1238373 A CH 1238373A CH 1238373 A CH1238373 A CH 1238373A CH 575352 A5 CH575352 A5 CH 575352A5
- Authority
- CH
- Switzerland
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
- C01F11/466—Conversion of one form of calcium sulfate to another
-
- 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
- C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers
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)
- Building Environments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4074872A GB1438632A (en) | 1972-09-01 | 1972-09-01 | Calcination of gypsum |
Publications (1)
Publication Number | Publication Date |
---|---|
CH575352A5 true CH575352A5 (fr) | 1976-05-14 |
Family
ID=10416421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1238373A CH575352A5 (fr) | 1972-09-01 | 1973-08-29 |
Country Status (20)
Country | Link |
---|---|
US (1) | US3898316A (fr) |
JP (1) | JPS4993410A (fr) |
AT (1) | AT339806B (fr) |
AU (1) | AU477312B2 (fr) |
BE (1) | BE804162A (fr) |
CA (1) | CA999118A (fr) |
CH (1) | CH575352A5 (fr) |
DE (1) | DE2343851A1 (fr) |
DK (1) | DK148630C (fr) |
ES (1) | ES418262A1 (fr) |
FR (1) | FR2197817B1 (fr) |
GB (1) | GB1438632A (fr) |
IE (1) | IE38093B1 (fr) |
IN (1) | IN140347B (fr) |
IT (1) | IT995242B (fr) |
LU (1) | LU68331A1 (fr) |
NL (1) | NL7312078A (fr) |
NO (1) | NO136146C (fr) |
SE (1) | SE382627B (fr) |
ZA (1) | ZA735661B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4744961A (en) * | 1985-04-25 | 1988-05-17 | United States Gypsum Company | Submerged combustion calcination |
DE3765427D1 (de) * | 1986-12-18 | 1990-11-08 | Gebhard Georg Dr Rer Nat | Verfahren zur in-situ-gewinnung von calciumsulfathalbhydrat und/oder calciumsulfat (anhydrit) aus dem waescher einer nassen rauchgasentschwefelungsanlage. |
DE3709393A1 (de) * | 1987-03-21 | 1988-09-29 | Saarbergwerke Ag | Verfahren zur umwandlung von calciumsulfatdihydrat in (alpha)-halbhydrat |
US7824490B2 (en) * | 2006-12-20 | 2010-11-02 | The Nugyp Corp. | Calcium sulfate hemihydrate treatment process |
GB0708382D0 (en) * | 2007-05-01 | 2007-06-06 | Bpb Plc | Gypsum based compositions |
US20150376063A1 (en) * | 2014-06-27 | 2015-12-31 | Boral Ip Holdings (Australia) Pty Limited | Ultra-Lightweight Gypsum Wallboard |
MX2021011578A (es) | 2019-03-29 | 2021-10-13 | Goodwin Plc | Polvo refractario para moldes a la cera perdida. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1370581A (en) * | 1920-03-08 | 1921-03-08 | United States Gypsum Co | Process of aging calcined gypsum products and product thereof |
US1960538A (en) * | 1932-03-25 | 1934-05-29 | Certain Teed Prod Corp | Process of producing cementitious material |
-
1972
- 1972-09-01 GB GB4074872A patent/GB1438632A/en not_active Expired
-
1973
- 1973-08-16 CA CA178,929A patent/CA999118A/en not_active Expired
- 1973-08-16 IE IE1414/73A patent/IE38093B1/xx unknown
- 1973-08-20 ZA ZA735661A patent/ZA735661B/xx unknown
- 1973-08-24 AU AU59598/73A patent/AU477312B2/en not_active Expired
- 1973-08-27 ES ES418262A patent/ES418262A1/es not_active Expired
- 1973-08-28 DK DK472673A patent/DK148630C/da not_active IP Right Cessation
- 1973-08-28 US US392389A patent/US3898316A/en not_active Expired - Lifetime
- 1973-08-29 CH CH1238373A patent/CH575352A5/xx not_active IP Right Cessation
- 1973-08-29 BE BE135061A patent/BE804162A/fr not_active IP Right Cessation
- 1973-08-30 IT IT28403/73A patent/IT995242B/it active
- 1973-08-30 SE SE7311825A patent/SE382627B/xx unknown
- 1973-08-30 FR FR7331474A patent/FR2197817B1/fr not_active Expired
- 1973-08-30 DE DE19732343851 patent/DE2343851A1/de active Pending
- 1973-08-30 IN IN1995/CAL/73A patent/IN140347B/en unknown
- 1973-08-30 NO NO3416/73A patent/NO136146C/no unknown
- 1973-08-30 LU LU68331A patent/LU68331A1/xx unknown
- 1973-08-31 JP JP48098169A patent/JPS4993410A/ja active Pending
- 1973-08-31 NL NL7312078A patent/NL7312078A/xx active Search and Examination
- 1973-09-03 AT AT764673A patent/AT339806B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE382627B (sv) | 1976-02-09 |
DK148630B (da) | 1985-08-19 |
FR2197817B1 (fr) | 1980-01-11 |
AT339806B (de) | 1977-11-10 |
IE38093B1 (en) | 1977-12-21 |
ES418262A1 (es) | 1976-03-01 |
US3898316A (en) | 1975-08-05 |
IE38093L (en) | 1974-03-01 |
NO136146B (no) | 1977-04-18 |
FR2197817A1 (fr) | 1974-03-29 |
DK148630C (da) | 1986-01-20 |
CA999118A (en) | 1976-11-02 |
BE804162A (fr) | 1973-12-17 |
LU68331A1 (fr) | 1973-11-12 |
IN140347B (fr) | 1976-10-23 |
NL7312078A (fr) | 1974-03-05 |
DE2343851A1 (de) | 1974-03-21 |
GB1438632A (en) | 1976-06-09 |
AU477312B2 (en) | 1976-10-21 |
JPS4993410A (fr) | 1974-09-05 |
ATA764673A (de) | 1977-02-15 |
IT995242B (it) | 1975-11-10 |
AU5959873A (en) | 1975-02-27 |
NO136146C (no) | 1977-07-27 |
ZA735661B (en) | 1974-07-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |