Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428355 | Integrated-preparation and application methods of urea-formaldehyde (UF)-based multi-nutrient biodegradable polymeric slow-release (SR) liquid and granular fertilizers | Yaqing Liu, Yang Xiang, Wenqi Wang | 2025-09-30 |
| 12428354 | Method for preparing nitrogen-rich or nutritious slow-release fertilizer through in-situ straw modification/reactive extrusion integrated continuous process | Yaqing Liu, Yang Xiang | 2025-09-30 |
| 12359030 | Method for preparing uniformly-cured solid loading tires from high-modulus graphene oxide/natural rubber composite | Yaqing Liu, Haoyu Duan, Shuaishuai CHENG | 2025-07-15 |
| 12359037 | Vulcanizing agent-modified graphene prepared through an in-situ chemical deposition process, and controllable crosslinked natural rubber composite comprising the same | Yaqing Liu, Xiaoyuan DUAN, Shuaishuai CHENG | 2025-07-15 |
| 12361184 | Thermal compensation design and implementation method for a near-net-shape (NNS) molding of thermoset composite part based on temperature field and curing degree field | Yaqing Liu, Qihui Chen, Chaoyang WU | 2025-07-15 |
| 12354007 | Artificial intelligence (AI)-based method for non-contact measurement of sheet resistance of a conductive film material | Yaqing Liu, Guanyu HAN | 2025-07-08 |
| 12342519 | Lightweight absorption-transmission integrated metamaterial to electromagnetic waves with polarization stability and wide-incident-angle stability, and preparation method thereof | Yaqing Liu, Guanyu HAN | 2025-06-24 |
| 12337582 | High-velocity impact-resistant wave-transparent composite with bio-inspired nacre-like interlaminar toughening structure, and preparation method thereof | Yaqing Liu, Qihui Chen, Yu Zhang | 2025-06-24 |
| 12325224 | Lightweight, low-thickness, durable and reliable multi-band radar stealth-bulletproof integrated metamaterial | Yaqing Liu, Guanyu HAN, Chaoyang WU | 2025-06-10 |
| 12180125 | Method for preparing weathered coal-derived humic acid/urea-formaldehyde slow-release fertilizer granules by reactive extrusion process with depolymerization-activation-polycondensation trinity and fertilization method | Yaqing Liu, Yingfang TONG, Peng Gao | 2024-12-31 |
| 12110230 | Efficient microwave preparation method with one-step simultaneous reduction/embedding and application of metal monatomic-doped reduced graphene oxide dielectric material | Yaqing Liu, Yanan Liu, Chaoyang WU | 2024-10-08 |
| 12098253 | Method for preparing thermoplastic starch by in-situ reactive extrusion plasticization process and method for preparing starch/polymer blend by in-situ reactive extrusion plasticization and compatibilization process | Yaqing Liu, Yang Xiang | 2024-09-24 |
| 11970427 | Microelement amino acid chelate-urea formaldehyde slow-release fertilizer and method for preparing the same by reactive extrusion | Yaqing Liu, Chaoyang WU | 2024-04-30 |
| 11789005 | Device and method for determining degradation rate of biodegradable polymers in soil | Yaqing Liu, Taian Chen, Yang Xiang | 2023-10-17 |
| 11745402 | High-precision and high-efficiency injection mold for high-aspect-ratio double-layer cylindrical plastic part and molding method using the same | Yaqing Liu, Ruikui DU, Kai Wen | 2023-09-05 |
| 11732078 | Preparation of urea-formaldehyde/poly(butylene succinate) and its ternary biodegradable polymer nano slow/controlled release materials by reactive extrusion | Yaqing Liu, Wei Zhang, Yang Xiang | 2023-08-22 |
| 11732112 | Method of preparing graphene/natural rubber composite with enhanced mechanical properties, thermal conductivity, and wear resistance | Yaqing Liu, Mingshan Gong | 2023-08-22 |
| 11622483 | Gradient electrically conductive-uniform thermally conductive dual network structure-based electromagnetic shielding polymer composite with low reflection and high absorption | Yaqing Liu, Hongji Duan | 2023-04-04 |
| 11597810 | Equipment and method for continuously preparing graphene powder directly dispersed in organic system | Yaqing Liu, Mingshan Gong, Yang Xiang | 2023-03-07 |
| 10906843 | Extrusion granulated urea-formaldehyde-based multi-nutrient slow/controlled release fertilizer and preparation method thereof | Yang Xiang, Yaqing Liu | 2021-02-02 |
| 10865161 | Water-absorbing and water-retaining multi-nutrient biodegradable polymeric slow/controlled release fertilizer having a semi-interpenetrating network structure | Yaqing Liu, Yang Xiang | 2020-12-15 |
| 9051222 | Slow and controlled release polymeric sulfur fertilizer containing multiple nutrient elements and method for preparing the same | Yaqing Liu, Dongdong Cheng, Lifeng Zhou, Denghui WU | 2015-06-09 |
| 7753984 | Slow and controlled-release polymeric fertilizer with multiple nutrients, preparing process for the same and the use method of the same | Yaqing Liu, Futian Zhu, Xueyi Liu | 2010-07-13 |