Inventor
UNDERWOOD RICHARD PAUL
US15 patents
⚠️ This page may combine multiple inventors who share the name “UNDERWOOD RICHARD PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AIR PROD & CHEM
14 patentsUS6156814ADec 5, 2000
Amido functional amine catalysts for the production of polyurethanes
AIR PROD & CHEM16 citations92
US6051527AApr 18, 2000
Aminopropylbis(aminoethyl) ether compositions for the production of polyurethanes
AIR PROD & CHEM17 citations90
US5874483AFeb 23, 1999
Aminopropylbis (aminoethyl) ether compositions for the production of polyurethanes
AIR PROD & CHEM37 citations90
US5756558AMay 26, 1998
Hydroxyalkylbis(aminoethyl) ether compositions for the production of polyurethanes
AIR PROD & CHEM19 citations90
US7009081B2Mar 7, 2006
N-methylated amines from selective vapor phase amination of amino ether alcohols
AIR PROD & CHEM15 citations83
US6150559ANov 21, 2000
Process for the production of bis (N,N-dialkylaminoalkyl) ether
AIR PROD & CHEM7 citations73
US6037496AMar 14, 2000
3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes
AIR PROD & CHEM8 citations73
USRE38201EJul 22, 2003
Amido functional amine catalysts for the production of polyurethanes
AIR PROD & CHEM3 citations62
US6380274B1Apr 30, 2002
Catalyst compositions for the production of polyurethanes
AIR PROD & CHEM3 citations62
US6153659ANov 28, 2000
3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes
AIR PROD & CHEM2 citations62
US6313346B1Nov 6, 2001
Catalyst compositions for the production of polyurethanes
AIR PROD & CHEM0 citations52
US9302214B2Apr 5, 2016
Purification of nitrogen trifluoride by pressure swing absorption
AIR PROD & CHEM1 citations51
US8944437B2Feb 3, 2015
Seal between metal and ceramic conduits
AIR PROD & CHEM1 citations51
US6316621B1Nov 13, 2001
Triethylenediamine production using phosphate catalysts
AIR PROD & CHEM1 citations50