Inventor

COLQUHOUN HOWARD

GB7 patents

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

DUPONT TEIJIN FILMS US LTD

2 patents

US9096724B2Aug 4, 2015

Copolyesterimides of poly(alkylene naphthalate)s having high glass transition temperature and film made therefrom

DUPONT TEIJIN FILMS US LTD5 citations71

US9074052B2Jul 7, 2015

Copolyesterimides of poly(alkylene terephthalate)s having high glass transition temperature and film made therefrom

DUPONT TEIJIN FILMS US LTD5 citations71

DUPONT TEIJIN FILMS US LP

2 patents

US10450411B2Oct 22, 2019

Copolyesterimides comprising bis(2-hydroxyalkyl)-2,2′-(1,4-phenylene)bis(1,3-dioxoisoindoline-5-carboxylate) and articles made therefrom

DUPONT TEIJIN FILMS US LP0 citations51

US10377862B2Aug 13, 2019

Copolyesterimides derived from N,N′-bis-(hydroxyalkyl)-benzophenone-3,3′,4,4′-tetracarboxylic diimide and films made therefrom

DUPONT TEIJIN FILMS US LP0 citations51

SANKEY STEPHEN WILLIAM

1 patent

US9840590B2Dec 12, 2017

Copolyesterimides derived from N,N′-bis-(hydroxyalkyl)-benzophenone-3,3′,4,4′-tetracarboxylic diimide and films made therefrom

SANKEY STEPHEN WILLIAM2 citations71

DUPONT TEIJIN FIMS U S LTD PARTNERSHIP

1 patent

US9637588B2May 2, 2017

Copolyesterimides derived from aromatic dicarboxylic acids and aliphatic glycols and films made therefrom

DUPONT TEIJIN FIMS U S LTD PARTNERSHIP4 citations66

DUPONT TEIJIN FILMS U S LTD PARTNERSHIP

1 patent

US9422399B2Aug 23, 2016

Copolyesterimides derived from N,N′-bis-(hydroxyalkyl)-3,3′,4,4′-diphenylsulfonetetracarboxylic diimide and films made therefrom

DUPONT TEIJIN FILMS U S LTD PARTNERSHIP0 citations49