Assignee
POLYPHALT INC
CA·3 granted patents·32 citations·filing 1997–2000
Top patents by PatentIndex Score
3 records- 0157US6579921B1Modified bituminous composition for roof membranesPOLYPHALT INC·Filed 2000·Granted Jun 17, 2003·13 cites·12 claims
- 0250US6174939B1Stabilized bituminous composition based on polymer in-situ blendPOLYPHALT INC·Filed 1997·Granted Jan 16, 2001·13 cites·10 claims
- 0336US6737443B1Lignin based colloidal compositionsPOLYPHALT INC·Filed 1999·Granted May 18, 2004·6 cites·24 claims
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