DD116211A5 - - Google Patents

Info

Publication number: DD116211A5
Authority: DD; German Democratic Republic

Application number

DD184259A

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.)

1974-02-15

Filing date

1975-02-17

Publication date

1975-11-12

1975-02-17 Application filed filed Critical

1975-11-12 Publication of DD116211A5 publication Critical patent/DD116211A5/xx

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
- C01F11/20—Halides
- C01F11/22—Fluorides
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/141—Preparation of hydrosols or aqueous dispersions
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/152—Preparation of hydrogels
- C01B33/1525—Preparation of hydrogels from or via fluosilicic acid or salts thereof
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/22—Magnesium silicates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/24—Alkaline-earth metal silicates

Landscapes

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

DD184259A 1974-02-15 1975-02-17 DD116211A5 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2407238A DE2407238C3 (de)	1974-02-15	1974-02-15	Verfahren zur Herstellung von Calciumfluorid aus Hexafluorokieselsäure

Publications (1)

Publication Number	Publication Date
DD116211A5 true DD116211A5 (fr)	1975-11-12

Family

ID=5907486

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD184259A DD116211A5 (fr)	1974-02-15	1975-02-17

Country Status (23)

Country	Link
US (1)	US4031193A (fr)
JP (1)	JPS50118991A (fr)
AR (1)	AR201809A1 (fr)
AT (1)	AT348487B (fr)
BE (1)	BE825331A (fr)
BR (1)	BR7500809A (fr)
CS (1)	CS189686B2 (fr)
DD (1)	DD116211A5 (fr)
DE (1)	DE2407238C3 (fr)
DK (1)	DK54175A (fr)
ES (1)	ES434461A1 (fr)
FR (1)	FR2261228B1 (fr)
GB (1)	GB1467537A (fr)
HU (1)	HU170712B (fr)
IL (1)	IL46623A (fr)
IN (1)	IN143138B (fr)
IT (1)	IT1031670B (fr)
NL (1)	NL7500265A (fr)
RO (1)	RO65917A (fr)
SE (1)	SE400271B (fr)
SU (1)	SU585807A3 (fr)
TR (1)	TR18300A (fr)
ZA (1)	ZA75852B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4078043A (en) *	1974-02-15	1978-03-07	Kali-Chemie Aktiengesellschaft	Process for preparing calcium fluoride from hexafluoro silicic acid and production of silicic acid gel or active silicic acid from said calcium fluoride
US4264563A (en) *	1979-04-12	1981-04-28	Occidental Research Corp.	Preparation of calcium fluoride from fluosilicic acid solutions
DE3626448A1 (de) *	1986-08-05	1988-02-11	Hoechst Ag	Verfahren zur aufarbeitung von waessrigen kieselfluorwasserstoffsaeureloesungen
US5910297A (en) *	1997-07-31	1999-06-08	E. I. Du Pont De Nemours And Company	Alkaline earth fluoride manufacturing process
JP2002226206A (ja) *	2001-01-29	2002-08-14	Asahi Glass Co Ltd	フッ化水素の製造方法
RU2465206C1 (ru) *	2011-02-25	2012-10-27	Владимир Александрович Ольшанский	Способ получения синтетического флюорита
RU2472705C1 (ru) *	2011-06-21	2013-01-20	Открытое акционерное общество "Сибирский химический комбинат"	Способ получения синтетического флюорита
JP6024910B2 (ja) *	2013-03-08	2016-11-16	三菱マテリアル株式会社	フッ化カルシウムの回収方法とその回収設備
MA39797A (fr) *	2014-04-04	2017-02-08	Fluorsid S P A	Fluorite synthétique de haute pureté et son processus de préparation
EP3286138B1 (fr)	2015-04-22	2019-04-10	Ocp Sa	Processus de preparation du fluorure de calcium a partir de l'acide fluosilicique
WO2021079368A1 (fr)	2019-10-24	2021-04-29	IMI Tami Institute for Research and Development ltd	Nouveau fondant/minéralisant pour la clinkérisation de ciment et procédé de fabrication associé

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2410043A (en) *	1945-01-04	1946-10-29	Nasa	Process for manufacturing calcium fluoride
US2914474A (en) *	1954-07-29	1959-11-24	Phillips Petroleum Co	Removal of fluorides from industrial waste waters
US3551332A (en) *	1969-06-16	1970-12-29	Int Minerals & Chem Corp	Purification of fluorine-containing industrial waste waters

1974
- 1974-02-15 DE DE2407238A patent/DE2407238C3/de not_active Expired
1975
- 1975-01-09 NL NL7500265A patent/NL7500265A/xx unknown
- 1975-01-27 AR AR257434A patent/AR201809A1/es active
- 1975-01-31 GB GB443175A patent/GB1467537A/en not_active Expired
- 1975-02-05 ES ES434461A patent/ES434461A1/es not_active Expired
- 1975-02-07 BE BE153193A patent/BE825331A/fr not_active IP Right Cessation
- 1975-02-07 BR BR809/75A patent/BR7500809A/pt unknown
- 1975-02-11 ZA ZA00750852A patent/ZA75852B/xx unknown
- 1975-02-11 CS CS75869A patent/CS189686B2/cs unknown
- 1975-02-12 IL IL46623A patent/IL46623A/en unknown
- 1975-02-12 IT IT20185/75A patent/IT1031670B/it active
- 1975-02-13 FR FR7504550A patent/FR2261228B1/fr not_active Expired
- 1975-02-13 SE SE7501618A patent/SE400271B/xx unknown
- 1975-02-13 HU HUKA1434A patent/HU170712B/hu unknown
- 1975-02-14 US US05/550,135 patent/US4031193A/en not_active Expired - Lifetime
- 1975-02-14 RO RO7581409A patent/RO65917A/fr unknown
- 1975-02-14 SU SU752106124A patent/SU585807A3/ru active
- 1975-02-14 DK DK54175*#A patent/DK54175A/da unknown
- 1975-02-14 AT AT110875A patent/AT348487B/de not_active IP Right Cessation
- 1975-02-14 JP JP50018668A patent/JPS50118991A/ja active Pending
- 1975-02-17 TR TR18300A patent/TR18300A/xx unknown
- 1975-02-17 DD DD184259A patent/DD116211A5/xx unknown
- 1975-03-26 IN IN613/CAL/75A patent/IN143138B/en unknown

Also Published As

Publication number	Publication date
SE7501618L (fr)	1975-08-18
FR2261228B1 (fr)	1979-08-03
NL7500265A (nl)	1975-08-19
SU585807A3 (ru)	1977-12-25
CS189686B2 (en)	1979-04-30
DK54175A (fr)	1975-10-06
DE2407238A1 (de)	1975-08-28
IL46623A (en)	1977-11-30
IT1031670B (it)	1979-05-10
BR7500809A (pt)	1975-11-25
GB1467537A (en)	1977-03-16
ZA75852B (en)	1976-01-28
SE400271B (sv)	1978-03-20
JPS50118991A (fr)	1975-09-18
TR18300A (tr)	1976-12-28
ATA110875A (de)	1978-07-15
HU170712B (fr)	1977-08-28
ES434461A1 (es)	1976-12-16
AT348487B (de)	1979-02-26
DE2407238B2 (de)	1978-11-02
IN143138B (fr)	1977-10-08
FR2261228A1 (fr)	1975-09-12
US4031193A (en)	1977-06-21
DE2407238C3 (de)	1979-06-28
IL46623A0 (en)	1975-04-25
BE825331A (fr)	1975-05-29
RO65917A (fr)	1980-06-15
AU7803575A (en)	1976-08-12
AR201809A1 (es)	1975-04-15

Publication	Publication Date	Title
JPS50121384A (fr)	1975-09-23
JPS50108646A (fr)	1975-08-27
CH590953A5 (fr)	1977-08-31
AU481663A (fr)	1976-07-22
BG19668A1 (fr)	1975-12-20
BG19764A1 (fr)	1975-10-10
BG20660A1 (fr)	1975-12-20
BG20668A2 (fr)	1975-12-20
BG20937A1 (fr)	1976-01-20
BG20947A1 (fr)	1976-01-20
BG20994A1 (fr)	1976-01-20
BG21067A1 (fr)	1976-03-20
BG21312A1 (fr)	1976-05-20
BG21341A1 (fr)	1976-05-20
BG21690A2 (fr)	1976-09-20
BG21760A1 (fr)	1976-09-20
BG22061A3 (fr)	1976-11-25
BG22084A3 (fr)	1976-11-25
BG22667A1 (fr)	1977-04-20
BG26365A3 (fr)	1979-03-15
BG26517A4 (fr)	1979-04-12
CH1378974A4 (fr)	1976-08-31
CH1666774A4 (fr)	1977-01-31
CH532175A4 (fr)	1977-04-15
CH564999A5 (fr)	1975-08-15