Inventor
WILLIAMSON DAVID T
US15 patents
⚠️ This page may combine multiple inventors who share the name “WILLIAMSON DAVID T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
8 patentsUS7514499B2Apr 7, 2009
Ring opening polymerization of cyclic amides using N-heterocyclic carbene catalysts
DU PONT11 citations83
US7622543B2Nov 24, 2009
Polymerization of macrocyclic polyester oligomers using N-heterocyclic carbene catalysts
DU PONT3 citations62
US8362106B2Jan 29, 2013
Decarboxylating block copolymers
DU PONT2 citations61
US7504472B2Mar 17, 2009
Rapidly crystallizing polycarbonate composition
DU PONT2 citations61
US7557157B2Jul 7, 2009
Polymerization of macrocyclic polyester oligomers at elevated temperature using rare earth element catalysts
DU PONT1 citations51
US7550531B2Jun 23, 2009
Polymerization of macrocyclic polyester oligomers using metal amide and metal alkoxide catalysts
DU PONT1 citations51
US7488772B2Feb 10, 2009
Polymerization of macrocyclic polyester oligomers using N-heterocyclic carbene and metal amide or metal alkoxide catalyst
DU PONT1 citations51
US7635747B2Dec 22, 2009
Polymerization of cyclic amides using N-heterocyclic carbene and metal amide and metal alkoxide catalysts
DU PONT0 citations41
WILLIAMSON DAVID T
4 patentsUS8691894B2Apr 8, 2014
Preparation of polyamide block copolymers
WILLIAMSON DAVID T0 citations49
US8063169B2Nov 22, 2011
Preparation of polyamide block copolymers
WILLIAMSON DAVID T0 citations49
US9040615B2May 26, 2015
Compositions of polyesters and fibrous clays
WILLIAMSON DAVID T0 citations38
US8198355B2Jun 12, 2012
Nanocomposite compositions of polyamides and sepiolite-type clays
WILLIAMSON DAVID T0 citations38