FR1139950A - Perfectionnements à la préparation de fluorures d'ammonium - Google Patents

Perfectionnements à la préparation de fluorures d'ammonium

Info

Publication number: FR1139950A
Authority: FR; France
Prior art keywords: preparation; ammonium fluorides; fluorides; ammonium
Prior art date: 1954-12-31
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

Other languages

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.)

International Minerals and Chemical Corp

Original Assignee

International Minerals and Chemical Corp

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.)

1954-12-31

Filing date

1955-12-07

Publication date

1957-07-08

1955-12-07 Application filed by International Minerals and Chemical Corp filed Critical International Minerals and Chemical Corp

1957-07-08 Application granted granted Critical

1957-07-08 Publication of FR1139950A publication Critical patent/FR1139950A/fr

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/16—Halides of ammonium
- C01C1/162—Ammonium fluoride

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Removal Of Specific Substances (AREA)
Treating Waste Gases (AREA)

FR1139950D 1954-12-31 1955-12-07 Perfectionnements à la préparation de fluorures d'ammonium Expired FR1139950A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US479227A US2816818A (en)	1954-12-31	1954-12-31	Process for the preparation of ammonium fluoride

Publications (1)

Publication Number	Publication Date
FR1139950A true FR1139950A (fr)	1957-07-08

Family

ID=23903151

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1139950D Expired FR1139950A (fr)	1954-12-31	1955-12-07	Perfectionnements à la préparation de fluorures d'ammonium

Country Status (4)

Country	Link
US (1)	US2816818A (fr)
ES (1)	ES225344A1 (fr)
FR (1)	FR1139950A (fr)
GB (1)	GB811118A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1021831B (de) *	1956-10-25	1958-01-02	Wasagchemie Ag	Verfahren zur Herstellung von reinem kristallisiertem Ammoniumbifluorid aus Fluokieselsaeure und Ammoniak
DE1042550B (de) *	1957-08-28	1958-11-06	Wasagchemie Ag	Verfahren zur Entkieselung von Flussspat
US3094381A (en) *	1958-03-21	1963-06-18	United Technical Ind Inc	Production of ammonium fluoride from gaseous compounds of silicon and fluorine
US2981597A (en) *	1958-10-13	1961-04-25	Tennessee Valley Authority	Manufacture of ammonium cryolite
US2981598A (en) *	1958-10-13	1961-04-25	Tennessee Valley Authority	Manufacture of cryolite from waste gases
US2963344A (en) *	1958-10-13	1960-12-06	Tennessee Valley Authority	Alkaline process for the manufacture of cryolite
US3031262A (en) *	1959-02-27	1962-04-24	Chemical Construction Corp	Recovery of oxides of sulfur and fluorides from gas mixtures
US3024086A (en) *	1959-06-15	1962-03-06	Phillips Petroleum Co	Disposal of fluorine wastes
US3089752A (en) *	1960-12-27	1963-05-14	American Agricultural Chem Co	Preparation and recovery of ammonium bifluoride
US3310369A (en) *	1964-05-27	1967-03-21	Hooker Chemical Corp	Process for producing anhydrous ammonium bifluoride from an aqueous solution of ammonium fluoride
US3338673A (en) *	1964-10-02	1967-08-29	Hooker Chemical Corp	Recovery of substantially anhydrous hydrogen fluoride from an impure aqueous ammonium fluoride solution
US3369863A (en) *	1965-04-15	1968-02-20	Wellman Incandescent Furn Co	Process for the manufacture of a fluosilicate of a metal
US3512927A (en) *	1965-07-26	1970-05-19	Anson G Betts	Chemically treating phosphorite and obtaining separate products of fluorine and of phosphorus
DE2347485C3 (de) *	1973-09-21	1980-09-04	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Ammoniumfluorid aus Kieselfluorwasserstoffsäure
DE2360974C2 (de) *	1973-12-07	1983-08-18	Ibm Deutschland Gmbh, 7000 Stuttgart	Verfahren zum Reinigen von Ammoniumfluoridlösungen
IE44470B1 (en) *	1976-08-26	1981-12-16	Goulding Chemicals Ltd	Production of hydrogen fluoride
CN108046290A (zh) *	2017-12-28	2018-05-18	贵州瓮福蓝天氟化工股份有限公司	一种去除氟化铵产品中磷酸盐的方法
CN113479907B (zh) *	2021-07-15	2022-10-18	江西省东沿药业有限公司	一种氟化铵或氟化氢铵的结晶方法
CN117185300B (zh) *	2023-09-26	2024-04-05	中南大学	基于黑滑石制备氟硅酸盐晶体的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1235552A (en) *	1913-07-17	1917-08-07	Mineral Products Corp	Process of producing ammonium fluorids.
US2141773A (en) *	1935-05-29	1938-12-27	Ig Farbenindustrie Ag	Recovery of fluorine compounds from water vapor containing volatile fluorine compounds

1954
- 1954-12-31 US US479227A patent/US2816818A/en not_active Expired - Lifetime
1955
- 1955-11-01 GB GB31174/55A patent/GB811118A/en not_active Expired
- 1955-12-01 ES ES0225344A patent/ES225344A1/es not_active Expired
- 1955-12-07 FR FR1139950D patent/FR1139950A/fr not_active Expired

Also Published As

Publication number	Publication date
ES225344A1 (es)	1956-02-01
US2816818A (en)	1957-12-17
GB811118A (en)	1959-04-02

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