Graphite electrodes and method for their production

(19)

(11)

EP 0 109 839 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	19.06.1985 Bulletin 1985/25

(43)	Date of publication A2:
	30.05.1984 Bulletin 1984/22

(21)	Application number: 83307051

(22)	Date of filing: 18.11.1983

(84)	Designated Contracting States:
	DE FR GB IT

(30)

Priority:

19.11.1982 US 443098

(71)	Applicant: UNION CARBIDE CORPORATION
	()

(72)	Inventor:
	Sara, Raymond Vincent ()

(54)	Graphite electrodes and method for their production

(57) A carbonaceous source material, other than premium petroleum coke is subjected to the action of elemental boron or a boron compound, whereby the highly disordered structure is transformed into one that is very graphitic in an otherwise conventional electrode manufacturing process.

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