Christopher S. Letko

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Lake Jackson, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Isocyanate reactive compositions
- Patent number 12,202,928
- Issue date Jan 21, 2025
- Dow Global Technologies LLC
- Christopher S. Letko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Beta-hydroxyphosphonate functionalized polyols
- Patent number 12,110,306
- Issue date Oct 8, 2024
- Dow Global Technologies LLC
- Christopher S. Letko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane product with sulfur-containing polyester polyol
- Patent number 11,225,550
- Issue date Jan 18, 2022
- Dow Global Technologies LLC
- Christopher S. Letko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Readily biodegradable alkoxylate mixtures
- Patent number 11,214,533
- Issue date Jan 4, 2022
- Dow Global Technologies LLC
- Sung-Yu Ku
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
BETA-HYDROXYPHOSPHONATE FUNCTIONALIZED POLYOLS
- Publication number 20220119427
- Publication date Apr 21, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- Christopher S. Letko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ISOCYANATE REACTIVE COMPOSITIONS
- Publication number 20220098358
- Publication date Mar 31, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- Christopher S. Letko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYURETHANE PRODUCT WITH SULFUR-CONTAINING POLYESTER POLYOL
- Publication number 20210277178
- Publication date Sep 9, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Christopher S. Letko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
READILY BIODEGRADABLE ALKOXYLATE MIXTURES
- Publication number 20210139400
- Publication date May 13, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Sung-Yu Ku
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...