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Patent Searching and Data


Title:
IMPROVEMENT OF COKE QUALITY OF COAL WITH INSUFFICIENT COKING PROPERTY
Document Type and Number:
Japanese Patent JPS5693791
Kind Code:
A
Abstract:
Upgrading coke quality of coals by adding a pitch-like product with a softening point (K-S) of 90 DEG -160 DEG C. to the coal. The additive is obtained by treating finely divided coal or other carbon containing raw material with hydrocarbon solvents derived from coal and petroleum and then removing 2-20% of the light boiling components of the highly aromatic pitch-like product.

Inventors:
YURUGEN SHIYUTAADERUHOOFUAA
HAINTSUUGERUHARUTO FURANKU
KAARU HAINTSU KOTSUHO
RORUFU MARETSUTO
Application Number:
JP17815280A
Publication Date:
July 29, 1981
Filing Date:
December 18, 1980
Export Citation:
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Assignee:
RUETGERSWERKE AG
International Classes:
C10B57/06; C10B57/08; C10L5/16; (IPC1-7): C10B57/06