Shuangyi SUN

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Yantai, CN

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Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION METHOD FOR PREPARING POLYLACTIC ACID BY MEANS OF RING-OP...
- Publication number 20230167230
- Publication date Jun 1, 2023
- WANHUA CHEMICAL (SICHUAN) CO., LTD.
- Shuangyi SUN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ABS RUBBER POWDER WITH LOW IMPURITY CONTENT, PREPARATION METHOD THE...
- Publication number 20230018924
- Publication date Jan 19, 2023
- WANHUA CHEMICAL GROUP CO., LTD.
- Qiang HAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...