CVD GROWN TRANSITION METAL CARBIDE AND NITRIDE WHISKERS - Patent 0472666

(19)

(11)

EP 0 472 666 A1

(12)

(43)	Date of publication:
	04.03.1992 Bulletin 1992/10

(21)	Application number: 90911429.0

(22)	Date of filing: 29.03.1990

(51)

International Patent Classification (IPC):

C30B 29/ 62^{( . )}

C30B 25/ 00^{( . )}

(86)	International application number:
	PCT/US1990/001755

(87)	International publication number:
	WO 1990/014451 (29.11.1990 Gazette 1990/27)

(84)	Designated Contracting States:
	AT CH DE FR GB IT LI SE

(30)

Priority:

19.05.1989 US 19890354641

(71)	Applicant: KENNAMETAL INC.
	Latrobe Pennsylvania 15650 (US)

(72)	Inventors:
	BAUER, Charles, Erik Greensburg, PA 15601 (US) BRYANT, William, A. McKeesport, PA 15135 (US)

(74)	Representative: Leiser, Gottfried, Dipl.-Ing., et al
	Prinz & Partner, Manzingerweg 7 D-81241 München D-81241 München (DE)

(54)	CVD GROWN TRANSITION METAL CARBIDE AND NITRIDE WHISKERS