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Non-phenolic foundry resins



P2 T's,
Excuse any cross postings. I am trying to find vendors and or case studies for non-phenolic foundry resins for a facility with major odor/health concerns. There was a successful pilot project a couple years ago to develop a lignin based resin from paper mill waste. http://www.oit.doe.gov/inventions/pdfs/lennox.pdf 
A company was formed to produce and market the resin,
(Lenox Polymers www.lenoxpoly.com), however the trail seems to go cold after that.  Are there any case studies or suppliers that you have run across?
Thanks,

Ron Smith
Ohio EPA, Office of Pollution Prevention
ron.smith@epa.state.oh.us