Manufacturing process for quaternary ammonium tannate, a vegetable coagulating/flocculating agent
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 12, 2002
Grant Date -
N/A
app pub date -
Aug 18, 2000
filing date -
Aug 27, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention refers to a process for preparing a coagulating/flocculating agent comprising the following steps: a) mixing an aldehyde, an ammonium salt, and a mineral acid catalyst in a reaction vat at a temperature below 45.degree. C. in an aqueous medium; b) reacting said mixture by heating said mixture until a colorless liquid is obtained; c) reacting said obtained colorless liquid with an aqueous tannin solution by stirring and heating to obtain a viscous liquid; and d) optionally, atomizing said viscous liquid to obtain a uniformly grained powder.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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