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Patent applications and USPTO patent grants for Jiangsu Guoxin Union Energy Co., Ltd.The latest application filed is for "aspergillus niger seed continuous culture and method for producing citric acid therefrom".
Patent | Date |
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Aspergillus niger seed continuous culture and method for producing citric acid therefrom Grant 11,434,467 - Shi , et al. September 6, 2 | 2022-09-06 |
Aspergillus Niger Seed Continuous Culture And Method For Producing Citric Acid Therefrom App 20200231929 - SHI; Guiyang ;   et al. | 2020-07-23 |
Method for reconstructing aspergillus niger to increase citrate production Grant 10,618,940 - Liu , et al. | 2020-04-14 |
Method for increasing citric acid production by Aspergillus niger fermentation Grant 10,612,007 - Liu , et al. | 2020-04-07 |
Method for reconstructing Aspergillus niger to increase citrate production App 20180194814 - Liu; Long ;   et al. | 2018-07-12 |
Method for increasing citric acid production by Aspergillus niger fermentation App 20180195052 - Liu; Long ;   et al. | 2018-07-12 |
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