Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450411 | Copolyesterimides comprising bis(2-hydroxyalkyl)-2,2′-(1,4-phenylene)bis(1,3-dioxoisoindoline-5-carboxylate) and articles made therefrom | Stephen William Sankey, David Turner, Stephen Jones | 2019-10-22 |
| 10377862 | Copolyesterimides derived from N,N′-bis-(hydroxyalkyl)-benzophenone-3,3′,4,4′-tetracarboxylic diimide and films made therefrom | Stephen William Sankey, David Turner, Stephen Jones | 2019-08-13 |
| 9963563 | Reversible derivatization of poly (aryl ether ketones) | Patrick Terence McGrail, Francois Pierre Vincent Paoloni, Philip Hodge, Ioannis Manolakis, Paul Mark Cross | 2018-05-08 |
| 9840590 | Copolyesterimides derived from N,N′-bis-(hydroxyalkyl)-benzophenone-3,3′,4,4′-tetracarboxylic diimide and films made therefrom | Stephen William Sankey, David Turner, Stephen Jones | 2017-12-12 |
| 9828478 | Reversible derivatization of poly (aryl ether ketones) | Patrick Terence McGrail, Francois Pierre Vincent Paoloni, Philip Hodge, Ioannis Manolakis, Paul Mark Cross | 2017-11-28 |
| 9637588 | Copolyesterimides derived from aromatic dicarboxylic acids and aliphatic glycols and films made therefrom | Stephen William Sankey, David Turner, Stephen Jones | 2017-05-02 |
| 9422399 | Copolyesterimides derived from N,N′-bis-(hydroxyalkyl)-3,3′,4,4′-diphenylsulfonetetracarboxylic diimide and films made therefrom | Stephen William Sankey, David Turner, Stephen Jones | 2016-08-23 |
| 9096724 | Copolyesterimides of poly(alkylene naphthalate)s having high glass transition temperature and film made therefrom | Stephen William Sankey, William A. MacDonald, David Turner, Stephen Meehan | 2015-08-04 |
| 9074052 | Copolyesterimides of poly(alkylene terephthalate)s having high glass transition temperature and film made therefrom | Stephen William Sankey, William A. MacDonald, David Turner, Stephen Meehan | 2015-07-07 |
| 7736539 | Ion-conducting polymers and membranes comprising them | Zhixue Zhu, William Alexander Mortimore, Martin Hogarth, Nadia Michele Walsby | 2010-06-15 |
| 5847075 | Polymer and porous structure | Andrew Lennard Lewis | 1998-12-08 |
| 5767324 | Polyols | Pierre CHAFFANJON, Minh Son Le, Robert Henry Carr, Jan Frans Hernalsteen, Julien Devos | 1998-06-16 |
| 5698105 | Polymer porous structure and process | Peter J. Williams, Andrew Lennard Lewis | 1997-12-16 |
| 5693740 | Aromatic polysulphones | David F. Lewis | 1997-12-02 |
| 4777300 | Aromatic ketone | James A. Daniels, David F. Lewis | 1988-10-11 |
| 4612399 | Purification of 4-fluoro-4'-hydroxybenzophenone | David F. Lewis | 1986-09-16 |
| 4604485 | Chemical process | — | 1986-08-05 |
| 4599452 | Chemical process | Alan G. Breeze | 1986-07-08 |
| T103703 | Production of aromatic polyketones | David F. Lewis | 1983-12-06 |