BE863817A - PROCESS FOR PREPARING FERROTUNGSTENE BY VACUUM FUSION - Google Patents

PROCESS FOR PREPARING FERROTUNGSTENE BY VACUUM FUSION

Info

Publication number: BE863817A
Authority: BE; Belgium
Prior art keywords: ferrotungstene; preparing; vacuum fusion; fusion; vacuum
Prior art date: 1977-02-14

Application number

BE185047A

Other languages

French (fr)

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

1978-02-09

Publication date

1978-05-29

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

1978-02-09 Application filed by Amax Inc filed Critical Amax Inc

1978-05-29 Publication of BE863817A publication Critical patent/BE863817A/en

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)

BE185047A 1977-02-14 1978-02-09 PROCESS FOR PREPARING FERROTUNGSTENE BY VACUUM FUSION BE863817A (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
BE863817A true BE863817A (en)	1978-05-29

Family

ID=25082347

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE185047A BE863817A (en)	1977-02-14	1978-02-09	PROCESS FOR PREPARING FERROTUNGSTENE BY VACUUM FUSION

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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR112012009805A2 (en) *	2009-10-26	2016-11-22	Minpro Aktiebolag	tungsten carbide recycling
SE537464C2 (en) *	2013-05-27	2015-05-12	Ferrolegeringar Ab	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
CH85900A (en) *	1918-05-06	1920-07-16	Ampere Ges Mit Beschraenkter H	Process for the preparation of low carbon ferrochrome.
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 NL NL7801460A patent/NL7801460A/en not_active Application Discontinuation
- 1978-02-08 GB GB5119/78A patent/GB1547139A/en not_active Expired
- 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 DE DE19782806200 patent/DE2806200A1/en not_active Withdrawn
- 1978-02-14 JP JP1583978A patent/JPS53124113A/en active Granted

Also Published As

Publication number	Publication date
IT7820247A0 (en)	1978-02-13
GB1547139A (en)	1979-06-06
ATA95678A (en)	1983-04-15
JPS5548577B2 (en)	1980-12-06
BR7800847A (en)	1978-12-19
FR2380348A1 (en)	1978-09-08
CA1097950A (en)	1981-03-24
NL7801460A (en)	1978-08-16
IT1095411B (en)	1985-08-10
DE2806200A1 (en)	1978-08-17
FR2380348B1 (en)	1980-04-04
AT372980B (en)	1983-12-12
JPS53124113A (en)	1978-10-30

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Legal Events

Date	Code	Title	Description
1986-08-31	RE	Patent lapsed	Owner name: AMAX INC. Effective date: 19860228

Date

Code

Title

Description

1986-08-31

Patent lapsed

Owner name: AMAX INC.

Effective date: 19860228