Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0150274
Kind Code:
B2
Abstract:
A starting pitch for carbon fibers, obtained by mixing (1) a heavy fraction oil boiling at not lower than 200 DEG C. obtained at the time of steam cracking of petroleum with (2) wax and then heat treating the resulting mixture at a specified temperature and pressure thereby to obtain the starting pitch, the thus obtained starting pitch being heat treated to produce a precursor pitch which is melt spun, infusibilized, carbonized or graphitized to obtain the carbon fibers.

More Like This:
WO/1998/029520MULTI-STAGE HYDROPROCESSING WITH MULTI-STAGE STRIPPING IN A SINGLE STRIPPER VESSEL
WO/2000/042119HYDROCONVERSION PROCESS USING BULK GROUP VIII/GROUP VIB CATALYSTS
JP6357202Delayed caulking process with pre-cracking reactor
Inventors:
KAMIMURA SEIICHI
YAMAMOTO SHUNICHI
HIROSE TAKAO
TAKASHIMA HIROAKI
KATO OSAMU
Application Number:
JP16860681A
Publication Date:
October 27, 1989
Filing Date:
October 23, 1981
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON OIL CO LTD
International Classes:
C10G51/02; C01B31/00; C10C3/02; C10C3/10; D01F9/14; D01F9/155



 
Next Patent: JPH0150275