Method for selecting raw material for bleaching clay
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 25, 2000
Issued Date -
N/A
app pub date -
Jul 21, 1998
filing date -
Nov 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for making a bleaching clay composition useful for purification of oil is disclosed. The process involves controlled acidification of a palygorskite and smectite clay mineral with sulfuric acid. The clay mineral starting material exhibits, in an aqueous slurry, an electrical conductivity of at least about 50 microSiemens per centimeter.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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