Global Patent Index - EP 1035225 A1

EP 1035225 A1 2000-09-13 - Ni-base superalloy

Title (en)

Ni-base superalloy

Title (de)

Superlegierung auf Nickelbasis

Title (fr)

Superalliage à base de nickel

Publication

EP 1035225 A1 (EN)

Application

EP 00104667 A

Priority

JP 5605999 A

Abstract (en)

A low thermal expansion Ni-base superalloy contains, by weight % (hereinafter the same as long as not particularly defined), C: 0.15 % or less; Si: 1 % or less; Mn: 1 % or less; Cr: 5 to 20 %; at least one of Mo, W and Re of Mo + 1/2 (W + Re) of 10 to 25 %; Al: 0.2 to 2 %; Ti: 0.5 to 4.5 %; Fe of 10 % or less; at least one of B: 0.02 % and Zr: 0.2 % or less; a remainder of Ni and inevitable impurities; wherein the atomic % of Al + Ti is 2.5 to 7.0.

IPC 1-7 (main, further and additional classification)

C22C 19/05

IPC 8 full level (invention and additional information)

C22C 19/05 (2006.01); B01J 23/00 (2006.01)

CPC (invention and additional information)

C22C 19/057 (2013.01); C22C 19/055 (2013.01); C22C 19/056 (2013.01); C22F 1/10 (2013.01)

Citation (search report)

  • [XD] PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10 31 October 1997 (1997-10-31)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 010, no. 345 (C - 386) 20 November 1986 (1986-11-20)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 012, no. 143 (C - 492) 30 April 1988 (1988-04-30)
  • [X] PATENT ABSTRACTS OF JAPAN vol. 014, no. 236 (C - 0720) 18 May 1990 (1990-05-18)

Designated contracting state (EPC)

AT CH DE FR GB LI

EPO simple patent family

EP 1035225 A1 20000913; EP 1035225 B1 20050601; AT 296901 T 20050615; DE 60020424 D1 20050707; DE 60020424 T2 20060427; DE 60020424 T8 20060817; JP 2000256770 A 20000919; JP 3781402 B2 20060531; US 2002015656 A1 20020207

INPADOC legal status


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2011-03-31 [REG CH PFA] NAME/FIRM CHANGED

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2006-05-24 [26N] NO OPPOSITION FILED

- Effective date: 20060302

2006-03-17 [ET] FR: TRANSLATION FILED

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- Representative's name: BOVARD AG PATENTANWAELTE

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- Document: DE 60020424 P 20050707

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- Free text: AL;LT;LV;MK;RO;SI