Letko; Christopher S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Letko; Christopher S..The latest application filed is for "beta-hydroxyphosphonate functionalized polyols".
- Letko; Christopher S. - Lake Jackson TX
- Letko; Christopher S. - Houston TX
- Letko; Christopher S. - Pearland TX
| Patent | Date |
|---|---|
| Beta-hydroxyphosphonate Functionalized Polyols App 20220119427 - Letko; Christopher S. ; et al. | 2022-04-21 |
| Isocyanate Reactive Compositions App 20220098358 - Letko; Christopher S. ; et al. | 2022-03-31 |
| Polyurethane product with sulfur-containing polyester polyol Grant 11,225,550 - Letko , et al. January 18, 2 | 2022-01-18 |
| Readily biodegradable alkoxylate mixtures Grant 11,214,533 - Ku , et al. January 4, 2 | 2022-01-04 |
| Polyurethane Product With Sulfur-containing Polyester Polyol App 20210277178 - Letko; Christopher S. ; et al. | 2021-09-09 |
| Readily Biodegradable Alkoxylate Mixtures App 20210139400 - Ku; Sung-Yu ; et al. | 2021-05-13 |
| Acrylic polyurethane coatings including polyether polyols Grant 10,626,293 - Letko , et al. | 2020-04-21 |
| Acrylic Polyurethane Coatings Including Polyether Polyols App 20180355211 - Letko; Christopher S. ; et al. | 2018-12-13 |
| Photocurable Compositions for Three-Dimensional Printing App 20180046076 - Letko; Christopher S. ; et al. | 2018-02-15 |
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