Processing for washing-out degradation-resistant organic chlorine compound
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 25, 2000
Grant Date -
N/A
app pub date -
Sep 8, 1998
filing date -
Oct 9, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In order to subject a cellulosic material such as insulating paper onto and into which transformer high-voltage insulating oil containing PCB has adhered and permeated to washing that removes the PCB etc. to an undetectable value, the cellulosic material to which PCB etc. has adhered is placed in DMI, sulfolane or other aprotic solvent containing an alkali such as caustic soda and stirred.
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