FI900126A0 - Process for the preparation of calcium sulphate hemihydrate - Google Patents

Process for the preparation of calcium sulphate hemihydrate

Info

Publication number
FI900126A0
FI900126A0 FI900126A FI900126A FI900126A0 FI 900126 A0 FI900126 A0 FI 900126A0 FI 900126 A FI900126 A FI 900126A FI 900126 A FI900126 A FI 900126A FI 900126 A0 FI900126 A0 FI 900126A0
Authority
FI
Finland
Prior art keywords
preparation
calcium sulphate
sulphate hemihydrate
hemihydrate
calcium
Prior art date
Application number
FI900126A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI900126A (en
FI93943C (en
FI93943B (en
Inventor
Thomas Koslowski
Original Assignee
Rhein Westfael Elect Werk Ag
Sicowa Verfahrenstech
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE3816513A external-priority patent/DE3816513C3/en
Priority claimed from EP88120944A external-priority patent/EP0342272B1/en
Priority claimed from PCT/EP1989/000512 external-priority patent/WO1989010905A1/en
Application filed by Rhein Westfael Elect Werk Ag, Sicowa Verfahrenstech filed Critical Rhein Westfael Elect Werk Ag
Publication of FI900126A publication Critical patent/FI900126A/en
Publication of FI900126A0 publication Critical patent/FI900126A0/en
Application granted granted Critical
Publication of FI93943B publication Critical patent/FI93943B/en
Publication of FI93943C publication Critical patent/FI93943C/en

Links

FI900126A 1988-05-14 1990-01-10 Process for the preparation of calcium sulphate-hemihydrate FI93943C (en)

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
EP88120944 1988-12-15
EP88120944A EP0342272B1 (en) 1987-05-22 1988-12-15 Process for the treatment of alpha-calciumsulphate-hemihydrate
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
FI900126A FI900126A (en) 1990-01-10
FI900126A0 true FI900126A0 (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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2462369C2 (en) * 1973-12-11 1984-05-17 Union Carbide Corp., New York, N.Y. Process for the preparation of a pitch containing mesophase
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

Also Published As

Publication number Publication date
FI900126A (en) 1990-01-10
FI93943C (en) 1995-06-26
JPH03500877A (en) 1991-02-28
DK9090A (en) 1990-03-12
DK9090D0 (en) 1990-01-12
FI93943B (en) 1995-03-15
CA1338921C (en) 1997-02-25
ATE62648T1 (en) 1991-05-15

Similar Documents

Publication Publication Date Title
GB8811393D0 (en) Calcium sulphate alpha-hemihydrate
FI900087A0 (en) Process for the preparation of azithromycin dihydrate
FI892640A0 (en) Process for the preparation of a piperidinoalkanol-ibuprofen composition containing pharmaceutical composition
FI892182A0 (en) Process for the preparation of therapeutically useful chromane derivatives
FI891074A0 (en) Process for the preparation of cyclic sulphates
AU629644B2 (en) Process for the preparation of purified calcium sulphate dihydrate by aqueous means
FI104171B (en) Process for the preparation of mono-N-alkylated polyazamacrocyclic compounds
FI91961C (en) Process for the preparation of (S) -ethyl-2-oxo-1-pyrrolidineacetamide
FI892948A (en) Process for the preparation of therapeutically useful chromane derivatives
FI902316A0 (en) Process for the preparation of therapeutically-substituted dihydropyrrolizine compounds
NO301716B1 (en) Process for the preparation of calcium L-ascorbate-2-phosphate
FI905051A0 (en) Processes for the preparation of pharmacologically valuable alkylphosphonoserines
FI901606A0 (en) Process for the preparation of sulfonyl derivatives of thieno-trizolidodiazepines
AU3189989A (en) Process for the treatment of concrete
FI894392A (en) Process for the preparation of antiarrhythmic imidazoles
FI900126A (en) Process for the preparation of calcium sulphate hemihydrate
FI892144A (en) Process for the preparation of 5-C-hydroxymethylaldohexose-based compounds
NO172636C (en) PROCEDURE FOR THE PREPARATION OF CALCIUM CYANAMIDE
GB2222981B (en) Manufacture of concrete products
FI903604A0 (en) New Process for Preparation of 2-Diazo-3-Trisubstituted Silyloxy-3-Butenoates
GB2198732B (en) Process for the manufacture of photopolymerisable materials
AU1399188A (en) Process for converting calcium sulphate dihydrate into alpha-hemihydrate
NO174745C (en) Process for the preparation of cycloalkadienes
PL268402A1 (en) Method of manufacture of anhydrite plaster
AU571294B2 (en) Gypsum board containing calcium sulphate

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