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Patent applications and USPTO patent grants for Qiu; Jiangkai.The latest application filed is for "preparation method of flexible polyurethane foam".
Patent | Date |
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Polyols for preparing flexible polyurethane foam, and preparation method and application thereof Grant 11,214,584 - Guo , et al. January 4, 2 | 2022-01-04 |
Preparation Method Of Flexible Polyurethane Foam App 20210230350 - GUO; Kai ;   et al. | 2021-07-29 |
Polyols for preparing flexible polyurethane foam, and Preparation Method and Application Thereof App 20210087211 - GUO; Kai ;   et al. | 2021-03-25 |
Vegetable Oil Polyol for Flexible Polyurethane Foam and Preparation Method and Application Thereof App 20190119493 - GUO; Kai ;   et al. | 2019-04-25 |
Polyurethane Polyol, and Preparation Method and Application Thereof App 20190112475 - GUO; Kai ;   et al. | 2019-04-18 |
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