Filter material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 21, 1982
Grant Date -
N/A
app pub date -
Nov 27, 1979
filing date -
Nov 30, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter material for removing at least one given substance from an at least substantially gaseous medium, such as tobacco smoke, comprises a cross-linked carbohydrate polymer which is swellable to a given degree and which has the form of an open-pore three-dimensional micro-porous network, there being substantially uniformly distributed therein at least one agent able to remove said substance in a substantially selective manner from the medium passing through the filter.
First Claim
Family
International Classification(s)
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