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Patent applications and USPTO patent grants for Jilin COFCO Biomaterial Co.,Ltd.The latest application filed is for "air-isolated continuous feeding system for synthesizing polylactic acid from lactide and feeding method thereof".
Patent | Date |
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Air-isolated Continuous Feeding System For Synthesizing Polylactic Acid From Lactide And Feeding Method Thereof App 20210379548 - TONG; Yi ;   et al. | 2021-12-09 |
Air-isolated continuous feeding system for synthesizing polylactic acid from lactide and feeding method thereof Grant 11,192,079 - Tong , et al. December 7, 2 | 2021-12-07 |
Device and method for online preparation of modified polylactic acid material with polylactic acid melt Grant 11,130,259 - Tong , et al. September 28, 2 | 2021-09-28 |
Method for producing polylactic acid Grant 11,118,006 - Tong , et al. September 14, 2 | 2021-09-14 |
Polylactic acid polymerization reaction apparatus and system Grant 11,110,427 - Tong , et al. September 7, 2 | 2021-09-07 |
Polylactic acid devolatilization evaporator Grant 11,097,248 - Tong , et al. August 24, 2 | 2021-08-24 |
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