Follower for non-aqueous ball point pen and non-aqueous ball point pen
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 2007
Grant Date -
Jan 25, 2007
app pub date -
Apr 16, 2004
filing date -
Apr 17, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A follower for a nonaqueous ballpoint pen, comprising at least one poly-.alpha.-olefin which is a synthetic oil having a viscosity of 200 mPas or more at 40.degree. C., wherein the total amount of poly-.alpha.-olefins is 80 mass % or more of all components, the viscosity at 40.degree. C. is from 1,000 to 30,000 mPas, and the shear-thinning index at a shear rate of 1 to 10/s is 0.95 or more. A follower for a nonaqueous ballpoint pen can be used also for a nonaqueous ballpoint pen using a solvent having a high vapor pressure and causes no problem even when the follower is mounted in an ink reservoir tube with strong tube resistance having an inner diameter of 2.8 mm or less.
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