Inventor
BETTS DOUGLAS E
US7 patents
⚠️ This page may combine multiple inventors who share the name “BETTS DOUGLAS E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV NORTH CAROLINA
4 patentsUS5866005AFeb 2, 1999
Cleaning process using carbon dioxide as a solvent and employing molecularly engineered surfactants
UNIV NORTH CAROLINA268 citations99
US5944996AAug 31, 1999
Cleaning process using carbon dioxide as a solvent and employing molecularly engineered surfactants
UNIV NORTH CAROLINA168 citations98
US5783082AJul 21, 1998
Cleaning process using carbon dioxide as a solvent and employing molecularly engineered surfactants
UNIV NORTH CAROLINA129 citations98
US6224774B1May 1, 2001
Method of entraining solid particulates in carbon dioxide fluids
UNIV NORTH CAROLINA68 citations96