Trademark applications and grants for Li Juncheng. Li Juncheng has 15 trademark applications. The latest application filed is for "DJHUNG"
Patent Application | Date |
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EFFICIENT SIMULATED MOVING BED DEVICE AND EFFICIENT SIMULATED MOVING BED PROCESS 20220008840 - 17/293862 Qian; Zhen ;   et al. | 2022-01-13 |
METHOD OF SEPARATING A-OLEFIN BY A SIMULATED MOVING BED 20210380505 - 17/288395 Li; Juncheng ;   et al. | 2021-12-09 |
REGENERATION METHOD FOR BENZENE ALKYLATION SOLID ACID CATALYST 20210170378 - 17/048944 Qian; Zhen ;   et al. | 2021-06-10 |
A PRETREATMENT METHOD AND SYSTEM FOR FRACTION OIL FOR PRODUCTION OF ALKYLBENZENE 20210054296 - 17/044196 Qian; Zhen ;   et al. | 2021-02-25 |
METHOD OF PRODUCING SERIES OF PHASE-CHANGE WAX PRODUCTS 20210024802 - 17/042790 LI; Juncheng ;   et al. | 2021-01-28 |
Method of separating .alpha.-olefin by a simulated moving bed 11,370,732 - 17/288,395 Li , et al. June 28, 2 | 2022-06-28 |
Pretreatment method and system for fraction oil for production of alkylbenzene 11,306,262 - 17/044,196 Qian , et al. April 19, 2 | 2022-04-19 |
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