GB1547139A - Vacuum smelting process for producing ferrotungsten - Google Patents

Vacuum smelting process for producing ferrotungsten

Info

Publication number: GB1547139A
Authority: GB; United Kingdom
Prior art keywords: smelting process; vacuum smelting; ferrotungsten; producing; producing ferrotungsten
Prior art date: 1977-02-14
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

GB5119/78A

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.)

Cyprus Amax Minerals Co

Original Assignee

Amax Inc

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.)

1977-02-14

Filing date

1978-02-08

Publication date

1979-06-06

1977-02-14 Priority claimed from US05/768,386 external-priority patent/US4113479A/en

1978-02-08 Application filed by Amax Inc filed Critical Amax Inc

1979-06-06 Publication of GB1547139A publication Critical patent/GB1547139A/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Powder Metallurgy (AREA)
Manufacture And Refinement Of Metals (AREA)

GB5119/78A 1977-02-14 1978-02-08 Vacuum smelting process for producing ferrotungsten Expired GB1547139A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/768,386 US4113479A (en)	1976-02-27	1977-02-14	Vacuum smelting process for producing ferrotungsten

Publications (1)

Publication Number	Publication Date
GB1547139A true GB1547139A (en)	1979-06-06

Family

ID=25082347

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB5119/78A Expired GB1547139A (en)	1977-02-14	1978-02-08	Vacuum smelting process for producing ferrotungsten

Country Status (10)

Country	Link
JP (1)	JPS53124113A (en)
AT (1)	AT372980B (en)
BE (1)	BE863817A (en)
BR (1)	BR7800847A (en)
CA (1)	CA1097950A (en)
DE (1)	DE2806200A1 (en)
FR (1)	FR2380348A1 (en)
GB (1)	GB1547139A (en)
IT (1)	IT1095411B (en)
NL (1)	NL7801460A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2011053231A1 (en) *	2009-10-26	2011-05-05	Minpro Aktiebolag	Recycling of tungsten carbides
WO2014193299A1 (en) *	2013-05-27	2014-12-04	Ab Ferrolegeringar	Iron and tungsten containing briquettes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR427774A (en) *	1911-02-17	1911-08-12	Goldschmidt Ag Th	Process for the manufacture of tungsten-based and high-content alloys, in particular ferro-tungsten, and their introduction into baths of molten metals
CH85901A (en) *	1918-05-06	1920-07-16	Ampere Ges Mit Beschraenkter H	Process for the preparation of ferro-tungsten.
FR499905A (en) *	1918-07-30	1920-02-26	Harold Alexandre Blackwell	Manufacturing process and application of ferro-tungsten
FR552520A (en) *	1922-06-03	1923-05-02	Continuous Reaction Company Lt	Improvements in the manufacture of ferrotungsten and ferromolybdenum
US1786393A (en) *	1926-05-22	1930-12-23	Schwarzkopf Paul	Method of producing ferromolybdenum and ferrotungsten
JPS5654207B2 (en) *	1974-07-26	1981-12-24
US3966459A (en)	1974-09-24	1976-06-29	Amax Inc.	Process for thermal dissociation of molybdenum disulfide
JPS51100924A (en) *	1975-03-04	1976-09-06	Nisshin Steel Co Ltd	SHINKUKOTAI KANGENNYORU KOTANSO FEECR GOKINNO SEIZOHOHO

1978
- 1978-01-31 CA CA295,974A patent/CA1097950A/en not_active Expired
- 1978-02-08 GB GB5119/78A patent/GB1547139A/en not_active Expired
- 1978-02-08 NL NL7801460A patent/NL7801460A/en not_active Application Discontinuation
- 1978-02-09 BE BE185047A patent/BE863817A/en not_active IP Right Cessation
- 1978-02-10 AT AT0095678A patent/AT372980B/en not_active IP Right Cessation
- 1978-02-10 FR FR7803889A patent/FR2380348A1/en active Granted
- 1978-02-13 IT IT20247/78A patent/IT1095411B/en active
- 1978-02-13 BR BR7800847A patent/BR7800847A/en unknown
- 1978-02-14 JP JP1583978A patent/JPS53124113A/en active Granted
- 1978-02-14 DE DE19782806200 patent/DE2806200A1/en not_active Withdrawn

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2011053231A1 (en) *	2009-10-26	2011-05-05	Minpro Aktiebolag	Recycling of tungsten carbides
EP2427286A1 (en) *	2009-10-26	2012-03-14	Minpro Aktiebolag	Recycling of tungsten carbides
EP2427286A4 (en) *	2009-10-26	2012-06-27	Minpro Aktiebolag	Recycling of tungsten carbides
CN102665973A (en) *	2009-10-26	2012-09-12	明普罗公司	Recycling of tungsten carbides
US8685137B2 (en)	2009-10-26	2014-04-01	Minpro Aktiebolag	Recycling of tungsten carbides
CN102665973B (en) *	2009-10-26	2014-07-16	明普罗公司	Recycling of tungsten carbides
WO2014193299A1 (en) *	2013-05-27	2014-12-04	Ab Ferrolegeringar	Iron and tungsten containing briquettes

Also Published As

Publication number	Publication date
FR2380348B1 (en)	1980-04-04
ATA95678A (en)	1983-04-15
JPS53124113A (en)	1978-10-30
AT372980B (en)	1983-12-12
DE2806200A1 (en)	1978-08-17
JPS5548577B2 (en)	1980-12-06
NL7801460A (en)	1978-08-16
BE863817A (en)	1978-05-29
CA1097950A (en)	1981-03-24
IT1095411B (en)	1985-08-10
BR7800847A (en)	1978-12-19
FR2380348A1 (en)	1978-09-08
IT7820247A0 (en)	1978-02-13

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Legal Events

Date	Code	Title	Description
1979-08-22	PS	Patent sealed [section 19, patents act 1949]
1986-10-01	PCNP	Patent ceased through non-payment of renewal fee