EP 0000661 A1 19790207 - Making silicon carbide and silicon carbide so made.
Title (en)
Making silicon carbide and silicon carbide so made.
Title (de)
Herstellung von Siliciumcarbid und auf diese Weise hergestelltes Siliciumcarbid.
Title (fr)
Préparation de carbure de silicium et carbure de silicium ainsi préparé.
Publication
Application
Priority
GB 3158377 A 19770727
Abstract (en)
beta -Silicon carbide and a process for making it by heating together silica and a carbonaceous material at 1350 DEG C to 1550 DEG C. By 1350 DEG C the partial pressure of carbon monoxide must not exceed 0,11 atmospheres and by 1550 DEG C it must be lower than 1,15 atmospheres. The carbonaceous material must be of high reactivity such as coal, rice husks, coconut charcoal and not pure graphite.
IPC 1-7
IPC 8 full level
C01B 31/36 (2006.01)
CPC (source: EP US)
C01B 32/97 (2017.07 - EP US)
Citation (search report)
- [X] AT 260170 B 19680212 - DU PONT [US]
- DE 1567593 A1 19691009 - IONICS
- GB 1105882 A 19680313 - CORNING GLASS WORKS
- [A] SU 138238 A1 19601130
- US 3754076 A 19730821 - CUTLER I
- DE 2052507 A1 19720510 - SUED CHEMIE AG
Designated contracting state (EPC)
BE CH DE FR GB NL SE
DOCDB simple family (publication)
EP 0000661 A1 19790207; IT 1107474 B 19851125; IT 7850447 A0 19780724; JP S5425300 A 19790226; NO 782569 L 19790130
DOCDB simple family (application)
EP 78300197 A 19780725; IT 5044778 A 19780724; JP 9030778 A 19780724; NO 782569 A 19780726