FI900126A - Process for the preparation of calcium sulphate hemihydrate - Google Patents
Process for the preparation of calcium sulphate hemihydrate Download PDFInfo
- Publication number
- FI900126A FI900126A FI900126A FI900126A FI900126A FI 900126 A FI900126 A FI 900126A FI 900126 A FI900126 A FI 900126A FI 900126 A FI900126 A FI 900126A FI 900126 A FI900126 A FI 900126A
- Authority
- FI
- Finland
- Prior art keywords
- preparation
- calcium sulphate
- sulphate hemihydrate
- hemihydrate
- calcium
- Prior art date
Links
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3816513A DE3816513C3 (en) | 1987-05-22 | 1988-05-14 | Process for producing calcium sulfate alpha hemihydrate from finely divided calcium sulfate and its use |
DE3816513 | 1988-05-14 | ||
EP88120944A EP0342272B1 (en) | 1987-05-22 | 1988-12-15 | Process for the treatment of alpha-calciumsulphate-hemihydrate |
EP88120944 | 1988-12-15 | ||
EP8900512 | 1989-05-10 | ||
PCT/EP1989/000512 WO1989010905A1 (en) | 1987-05-22 | 1989-05-10 | Process for preparing calcium sulphate alpha hemihydrate |
Publications (4)
Publication Number | Publication Date |
---|---|
FI900126A0 FI900126A0 (en) | 1990-01-10 |
FI900126A true FI900126A (en) | 1990-01-10 |
FI93943B FI93943B (en) | 1995-03-15 |
FI93943C FI93943C (en) | 1995-06-26 |
Family
ID=25868102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI900126A FI93943C (en) | 1988-05-14 | 1990-01-10 | Process for the preparation of calcium sulphate-hemihydrate |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPH03500877A (en) |
AT (1) | ATE62648T1 (en) |
CA (1) | CA1338921C (en) |
DK (1) | DK9090A (en) |
FI (1) | FI93943C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6964704B2 (en) * | 2003-03-20 | 2005-11-15 | G.B. Technologies, Llc | Calcium sulphate-based composition and methods of making same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2457970C3 (en) * | 1973-12-11 | 1978-03-09 | Union Carbide Corp., New York, N.Y. (V.St.A.) | Process for the production of carbon fibers |
JPS51112798A (en) * | 1975-03-31 | 1976-10-05 | Babcock Hitachi Kk | Process for granulation of by-product gypsum from exhausted gas desulf urizer |
US4065320A (en) * | 1975-05-13 | 1977-12-27 | Allis-Chalmers Corporation | System for handling high sulfur materials |
JPS5614616A (en) * | 1979-07-16 | 1981-02-12 | Roozan Eng Corp | Self seal type flange device |
JPS5618551A (en) * | 1979-07-26 | 1981-02-21 | Morinaga & Co Ltd | Preparation of multilayered ice cream |
JPS573622A (en) * | 1980-06-10 | 1982-01-09 | Tokyo Optical | Apparatus for detecting operation distance in ophthalmology |
JPS5721501A (en) * | 1980-07-14 | 1982-02-04 | Reonitsuto Kk | Shorts and production thereof |
JPS5814385A (en) * | 1981-07-20 | 1983-01-27 | Toshiba Corp | Digital disc player |
-
1988
- 1988-12-15 AT AT88120944T patent/ATE62648T1/en not_active IP Right Cessation
-
1989
- 1989-05-10 JP JP50545389A patent/JPH03500877A/en active Pending
- 1989-05-15 CA CA 600321 patent/CA1338921C/en not_active Expired - Fee Related
-
1990
- 1990-01-10 FI FI900126A patent/FI93943C/en not_active IP Right Cessation
- 1990-01-12 DK DK009090A patent/DK9090A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI93943B (en) | 1995-03-15 |
DK9090A (en) | 1990-03-12 |
FI93943C (en) | 1995-06-26 |
FI900126A0 (en) | 1990-01-10 |
DK9090D0 (en) | 1990-01-12 |
JPH03500877A (en) | 1991-02-28 |
CA1338921C (en) | 1997-02-25 |
ATE62648T1 (en) | 1991-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: SICOWA VERFAHRENSTECHNIK FUER BAUSTOFFE Owner name: PRO MINERAL GESELLSCHAFT ZUR VERWENDUNG |