Monophasic Tungsten Carbide
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 19, 2006
Issued Date -
N/A
app pub date -
Jun 19, 2003
filing date -
Dec 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a method of producing tungsten carbide by gas phase direct carburization of a tungsten-oxide containing starting material, wherein the starting material is reacted with a reaction gas at an increased temperature. The starting material is first heated to a first temperature greater than or equal to 600.degree. C., before reacting with a reaction gas while increasing the temperature to a second temperature that does not exceed 850.degree. C., wherein the reaction gas is selected from the group consisting of CO and a COH.sub.2 gas mixture comprising up to 20% by volume H.sub.2.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully