How can I remove construction adhesive from finished wood flooring?
Cleanup
  
  Clean tools and uncured adhesive residue immediately with mineral spirits in a well-ventilated area to the outdoors. Remove cured adhesive by carefully scraping with a sharp-edged tool.


From http://www.loctiteproducts.com/p/pl_ca_prem/directions/Loctite-PL-Premium-Polyurethane-Construction-Adhesive.htm