Precipitated silica beads
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 22, 2000
Grant Date -
N/A
app pub date -
May 2, 1990
filing date -
May 2, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Essentially spherical precipitated silica beads, well adapted for the reinforcement of elastomeric matrices, have a mean particle size of at least 80 .mu.m, a BET specific surface area ranging from 60 to 130 m.sup.2 /g, a fill density in packed state ranging from 0.28 to 0.37, and a total pore volume ranging from 1.6 to 3.3 cm.sup.3 /g.
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