Process for preparing a permeable adhesive tape
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 30, 1993
Grant Date -
N/A
app pub date -
May 8, 1990
filing date -
May 10, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Process for preparing a permeable adhesive tape which comprises; preparing a dispersion comprising, as a dispersion medium, an organic solvent solution containing a natural or synthetic rubber and/or acrylic pressure sensitive adhesive agent and a polyfunctional isocyanate compound, and at least water and hydrophobic inorganic fine particles and optionally a water absorptive high molecular weight compound dispersed in the organic solvent solution, applying the dispersion directly onto a porous material or impregnating the porous material with the dispersion, thereafter the dispersion-applied or impregnated porous material being dried by heating; or spplying the dispersion onto a releasing sheet, heat drying the dispersion-applied sheet and laminating a porous material on the dispersion-applied surface thereof, thereby providing the permeable adhesive tape in which the permeable adhesive layer and the porous material are integrated.
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