FR2480267B1 - - Google Patents

Info

Publication number: FR2480267B1
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

Application number

FR8107440A

Other languages

French (fr)

Other versions

FR2480267A1 (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Idemitsu Kosan Co Ltd

Original Assignee

Idemitsu Kosan Co Ltd

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.)

1980-04-14

Filing date

1981-04-14

Publication date

1984-12-28

1981-04-14 Application filed by Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd

1981-10-16 Publication of FR2480267A1 publication Critical patent/FR2480267A1/en

1984-12-28 Application granted granted Critical

1984-12-28 Publication of FR2480267B1 publication Critical patent/FR2480267B1/fr

Status Granted legal-status Critical Current

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
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

FR8107440A 1980-04-14 1981-04-14 CONTINUOUS PROCESS FOR THE PRODUCTION OF LOW SPECIFIC CALCIUM SULFATE Granted FR2480267A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP4803780A JPS56145116A (en)	1980-04-14	1980-04-14	Continuous preparation of light gypsum

Publications (2)

Publication Number	Publication Date
FR2480267A1 FR2480267A1 (en)	1981-10-16
FR2480267B1 true FR2480267B1 (en)	1984-12-28

Family

ID=12792108

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8107440A Granted FR2480267A1 (en)	1980-04-14	1981-04-14	CONTINUOUS PROCESS FOR THE PRODUCTION OF LOW SPECIFIC CALCIUM SULFATE

Country Status (6)

Country	Link
JP (1)	JPS56145116A (en)
CA (1)	CA1175209A (en)
DE (1)	DE3114363C2 (en)
FR (1)	FR2480267A1 (en)
GB (1)	GB2076791B (en)
IT (1)	IT1170883B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3239669A1 (en) *	1982-10-27	1984-05-03	Joh. A. Benckiser Gmbh, 6700 Ludwigshafen	CONTINUOUS PROCESS FOR THE PRODUCTION OF INDUSTRIAL RECYCLABLE PLASTER FROM INDUSTRIAL WASTE PLASTER
DE3536321A1 (en) *	1985-10-11	1987-04-23	Bischoff Gasreinigung	Process and reactor for producing alpha-hemihydrate gypsum from calcium sulphate dihydrate from flue gas desulphurisation plants operating by the wet scrubbing process with lime
DE3615739A1 (en) *	1986-05-09	1987-11-12	Benckiser Gmbh Joh A	CONTINUOUS METHOD AND DEVICE FOR PRODUCING INDUSTRIALLY RECYCLABLE PLASTER FROM INDUSTRIAL WASTE PLASTER
DE3711367A1 (en) *	1987-04-04	1988-10-13	Rwk Rhein Westfael Kalkwerke	Process for preparing calcium sulphate hemihydrate
DE3844938C2 (en) *	1987-05-22	1996-09-19	Pro Mineral Ges	Calcium sulphate alpha-mono:hydrate mfr. by autoclaving di:hydrate
WO1990011256A1 (en) *	1989-03-16	1990-10-04	The United States Gypsum Company	Process and apparatus for producing calcium sulfate microfibers
US7765813B2 (en) *	2004-07-15	2010-08-03	United States Gypsum Company	Apparatus and process for cooling and de-steaming calcined stucco
CN103723757B (en) *	2012-10-10	2015-08-05	深圳兰度生物材料有限公司	Medical grade α-calcium sulphate hemihydrate preparation method
EP3782725A1 (en) *	2019-08-21	2021-02-24	Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO	Reactor for the hydrothermal treatment of biomass

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1198807A (en) *	1963-12-03	1970-07-15	Ici Ltd	Continuous process for the production of calcium sulphate alpha-hemihydrate from gypsum
GB1051849A (en) *	1963-12-03
US3977890A (en) *	1972-08-16	1976-08-31	Johns-Manville Corporation	Method for the preparation of fibrous calcium sulfate hemihydrate
JPS5143833A (en) *	1974-10-11	1976-04-14	Nishida Marine Boiler	KIFUKUGEETOSOCHI
JPS5187494A (en) *	1975-01-31	1976-07-31	Idemitsu Kosan Co	Setsukoisukaano seizohoho
JPS5319366A (en) *	1976-08-06	1978-02-22	Mitsubishi Chem Ind Ltd	Resin compositions
JPS5817132B2 (en) *	1976-11-29	1983-04-05	出光興産株式会社	Spherical settsukou and its manufacturing method
JPS53128624A (en) *	1977-04-16	1978-11-09	Idemitsu Kosan Co	Gypsum compound
US4152408A (en) *	1977-11-25	1979-05-01	Certain-Teed Corporation	Fibrous calcium sulfate
JPS5857384B2 (en) *	1978-04-04	1983-12-20	株式会社クボタ	Gypsum firing method and equipment
JPS54152692A (en) *	1978-05-22	1979-12-01	Kanegafuchi Chem Ind Co Ltd	Continuous manufacture of gypsum needle-like crystal

1980
- 1980-04-14 JP JP4803780A patent/JPS56145116A/en active Granted
1981
- 1981-04-03 CA CA000374609A patent/CA1175209A/en not_active Expired
- 1981-04-08 GB GB8111034A patent/GB2076791B/en not_active Expired
- 1981-04-09 DE DE3114363A patent/DE3114363C2/en not_active Expired
- 1981-04-10 IT IT48251/81A patent/IT1170883B/en active
- 1981-04-14 FR FR8107440A patent/FR2480267A1/en active Granted

Also Published As

Publication number	Publication date
CA1175209A (en)	1984-10-02
JPS56145116A (en)	1981-11-11
FR2480267A1 (en)	1981-10-16
IT1170883B (en)	1987-06-03
GB2076791A (en)	1981-12-09
IT8148251A0 (en)	1981-04-10
JPS6320785B2 (en)	1988-04-30
DE3114363C2 (en)	1985-12-05
GB2076791B (en)	1983-03-09
DE3114363A1 (en)	1982-03-04

Legal Events

Date	Code	Title	Description
1994-02-25	ST	Notification of lapse

Publication	Publication Date	Title
FR2476022B1 (en)	1984-08-10
FR2476911B1 (en)	1985-03-08
BR8108722A (en)	1982-06-01
CH655452B (en)	1986-04-30
DE3107826C2 (en)	1987-01-02
CH629354GA3 (en)	1982-04-30
FR2476537B1 (en)	1984-08-24
DE3050632A1 (en)	1982-09-16
FR2476066B1 (en)	1983-07-29
FR2476104B1 (en)	1984-11-09
FR2496992B1 (en)	1984-05-04
FR2474589B1 (en)	1984-05-11
FR2480267B1 (en)	1984-12-28
DE3117743C2 (en)	1987-04-23
CH655450B (en)	1986-04-30
DE3034115C2 (en)	1987-05-07
FR2488547B1 (en)	1984-07-20
FR2473170B1 (en)	1984-11-30
FR2474668B1 (en)	1983-07-18
FR2473455B1 (en)	1983-08-19
DE3040877C2 (en)	1987-02-12
FR2491875B1 (en)	1984-01-20
JPS56142692U (en)	1981-10-28
JPS56145658U (en)	1981-11-02
FR2472974B1 (en)	1984-02-24