EP 0348599 A2 19900103 - Process for producing an anisotropic pitch for carbon fibres.
Title (en)
Process for producing an anisotropic pitch for carbon fibres.
Title (de)
Verfahren zur Herstellung eines anisotropen Pechs für Kohlenstoffasern.
Title (fr)
Procédé de fabrication d'un brai anisotrope pour fibres de carbone.
Publication
Application
Priority
DE 3821866 A 19880629
Abstract (en)
Anisotropic pitch for generating carbon fibres is produced from blown coal tar pitch by extraction with a pitch solvent and thermal treatment of the solvent-free soluble fraction in vacuo.
Abstract (de)
Anisotropes Pech für die Erzeugung von Kohlenstoffasern wird aus verblasenem Steinkohlenteerpech durch Extraktion mit einem Pechlösemittel und thermischer Behandlung der lösemittelfreien löslichen Fraktion im Vakuum hergestellt.
IPC 1-7
IPC 8 full level
C10C 1/00 (2006.01); C10C 3/02 (2006.01); C10C 3/04 (2006.01); C10C 3/10 (2006.01); D01F 9/12 (2006.01); D01F 9/15 (2006.01)
CPC (source: EP)
C10C 1/00 (2013.01); C10C 3/04 (2013.01); D01F 9/15 (2013.01)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0348599 A2 19900103; EP 0348599 A3 19900207; EP 0348599 B1 19910807; CA 1309369 C 19921027; DE 3821866 A1 19900118; DE 58900206 D1 19910912; JP H0247190 A 19900216
DOCDB simple family (application)
EP 89104511 A 19890314; CA 587816 A 19890110; DE 3821866 A 19880629; DE 58900206 T 19890314; JP 16548989 A 19890629