DE59007563D1 - Molybdenum material, especially for lamp manufacture. - Google Patents

Molybdenum material, especially for lamp manufacture.

Info

Publication number
DE59007563D1
DE59007563D1 DE59007563T DE59007563T DE59007563D1 DE 59007563 D1 DE59007563 D1 DE 59007563D1 DE 59007563 T DE59007563 T DE 59007563T DE 59007563 T DE59007563 T DE 59007563T DE 59007563 D1 DE59007563 D1 DE 59007563D1
Authority
DE
Germany
Prior art keywords
esp
molybdenum material
lamp manufacture
cpd
pref
Prior art date
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 - Fee Related
Application number
DE59007563T
Other languages
German (de)
Inventor
Cosetta Dr Setti
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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.)
Filing date
Publication date
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Application granted granted Critical
Publication of DE59007563D1 publication Critical patent/DE59007563D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum

Abstract

(A) A novel Mo material, esp. for lamp mfr., consists of at least 99.97 wt. % purity Mo contg., as sole dopant, Al pref. in amt. 150-800 (esp. 400-600) wt. ppm. (B) Prodn. of the Mo material involves addn. of the Al as an unstable cpd. (esp. the nitrate) to a pulverised Mo cpd. (pref. MoO3 of more than 99.97 wt. % purity) and then redn.
DE59007563T 1990-02-01 1990-12-17 Molybdenum material, especially for lamp manufacture. Expired - Fee Related DE59007563D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4002973A DE4002973A1 (en) 1990-02-01 1990-02-01 Molybdenum material esp. for lamp mfr. - contains aluminium as sole dopant

Publications (1)

Publication Number Publication Date
DE59007563D1 true DE59007563D1 (en) 1994-12-01

Family

ID=6399218

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4002973A Withdrawn DE4002973A1 (en) 1990-02-01 1990-02-01 Molybdenum material esp. for lamp mfr. - contains aluminium as sole dopant
DE59007563T Expired - Fee Related DE59007563D1 (en) 1990-02-01 1990-12-17 Molybdenum material, especially for lamp manufacture.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4002973A Withdrawn DE4002973A1 (en) 1990-02-01 1990-02-01 Molybdenum material esp. for lamp mfr. - contains aluminium as sole dopant

Country Status (7)

Country Link
EP (1) EP0439776B1 (en)
JP (1) JPH04297543A (en)
KR (1) KR910021489A (en)
AT (1) ATE113319T1 (en)
DE (2) DE4002973A1 (en)
ES (1) ES2060914T3 (en)
HU (1) HU210093B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19603300C2 (en) * 1996-01-30 2001-02-22 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp with molybdenum foil bushings for a lamp vessel made of quartz glass
DE19603301C2 (en) * 1996-01-30 2001-02-22 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp with molybdenum foil bushings for a lamp vessel made of quartz glass

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD49592A (en) *
DE1211402B (en) * 1960-04-29 1966-02-24 Egyesuelt Izzolampa Process for the production of tungsten wires, in particular for pipe grids
CH503114A (en) * 1966-12-21 1971-02-15 Egyesuelt Izzolampa Group vi re contg alloys as for use in - making filaments or electrode plates
US3676083A (en) * 1969-01-21 1972-07-11 Sylvania Electric Prod Molybdenum base alloys
AT329889B (en) * 1974-01-18 1976-06-10 Plansee Metallwerk Process for the production of molybdenum wires and sheets with a stacking wire structure
JPS604548B2 (en) * 1976-10-21 1985-02-05 ゼネラル エレクトリツク コンパニ− light bulb mount

Also Published As

Publication number Publication date
DE4002973A1 (en) 1991-08-08
JPH04297543A (en) 1992-10-21
KR910021489A (en) 1991-12-20
HU908036D0 (en) 1991-06-28
EP0439776B1 (en) 1994-10-26
HU210093B (en) 1995-02-28
ES2060914T3 (en) 1994-12-01
EP0439776A1 (en) 1991-08-07
HUT62339A (en) 1993-04-28
ATE113319T1 (en) 1994-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee