Adhesives
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United States of America Patent
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Jan 15, 2008
Grant Date -
Dec 7, 2006
app pub date -
Jun 2, 2005
filing date -
Jun 2, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hardener composition and pine bark tannin-containing resin composition are disclosed. The resin composition is formulated to neutral pH in order to reduce the extent of self-polymerisation and provide a satisfactory shelf life. The hardener composition may be mixed with a suitable resin, or the resin composition mixed with a suitable hardener to produce a cold set adhesive which is particularly useful for bonding wood.
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