Inventor

PURDY DAVID F

US3 patents

⚠️ This page may combine multiple inventors who share the name “PURDY DAVID F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEMTURA CORP

2 patents

US7780857B2Aug 24, 2010

Solid composition for treating water

CHEMTURA CORP3 citations56

US7625496B2Dec 1, 2009

Solid composition for treating water

CHEMTURA CORP3 citations56

BIOLAB SERVICES INC

1 patent

US6863830B1Mar 8, 2005

Dual layer tablet, method of making and use thereof

BIOLAB SERVICES INC107 citations94