METHOD FOR PRODUCING HIGH-PURITY CARBON BLACK
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 8, 2011
app pub date -
Sep 29, 2009
filing date -
Sep 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention provides a method for producing a purified carbon black by removing metal from the aqueous dispersion of carbon black, wherein the metal is removed by bringing the aqueous dispersion of carbon black into contact with at least one organic acid selected from the group consisting of glycolic acid, ascorbic acid and malonic acid. The invention can provide a method for producing the purified carbon black where the metal components such as iron and the other metals contained as the impurities in carbon black can be reduced.
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