ZHENG; Zongqiang
Patent Applications and Registrations
Patent applications and USPTO patent grants for ZHENG; Zongqiang.The latest application filed is for "method and device for directly preparing foamed polylactic acid (pla) product from pla melt".
- ZHENG; Zongqiang - Ningbo CN
| Patent | Date |
|---|---|
| Method And Device For Directly Preparing Foamed Polylactic Acid (pla) Product From Pla Melt App 20220097274 - SONG; Yanan ; et al. | 2022-03-31 |
| Preparation Method Of High-rate Foamed Polylactic Acid (pla) Sheet App 20220088840 - HUANG; Weiwei ; et al. | 2022-03-24 |
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