Xu, Kejia
USPTO Trademark & Patent Filings
Trademark applications and grants for Xu, Kejia. Xu, Kejia has 1 trademark applications. The latest application filed is for "NPTEKRC"
- Company Aliases
- Xu, Kejia
- kejia xu
- Xu; Kejia - Beijing CN
- Xu, Kejia - Beijing CN
| Entity Type | INDIVIDUAL |
| Address | No. 3, Group 4, Xixue Village Jiushan Town, Yuzhou City Xuchang, Henan CHINA 452570 |
Trademarks Patents
| Patent Application | Date |
|---|---|
| METHOD FOR SEPARATING PHA AND PHA PREPARED THEREFROM 20210340316 - 17/137545 Tong; Yi ; et al. | 2021-11-04 |
| DISTILLATION TOWER FOR IMPROVING YIELD OF PETROLEUM HYDROCARBON DISTILLATE AND FEEDING METHOD THEREOF 20130220889 - 13/881535 Zhang; Zhanzhu ; et al. | 2013-08-29 |
| CATALYTIC CONVERSION APPARATUS 20090117017 - 12/295523 Long; Jun ; et al. | 2009-05-07 |
| Downflow catalytic cracking reactor and its application 20040004025 - 10/421785 Xu, Kejia ; et al. | 2004-01-08 |
| Catalytic cracking process of petroleum hydrocarbons 20030116471 - 10/229155 Zhang, Ruichi ; et al. | 2003-06-26 |
| Method for separating PHA and PHA prepared therefrom 11,203,663 - 17/137,545 Tong , et al. December 21, 2 | 2021-12-21 |
| Method for efficiently producing PHA 11,155,483 - 17/135,984 Tong , et al. October 26, 2 | 2021-10-26 |
| Device and method for online preparation of modified polylactic acid material with polylactic acid melt 11,130,259 - 17/136,979 Tong , et al. September 28, 2 | 2021-09-28 |
| Polylactic acid polymerization reaction apparatus and system 11,110,427 - 17/137,007 Tong , et al. September 7, 2 | 2021-09-07 |
| Polylactic acid devolatilization evaporator 11,097,248 - 17/137,021 Tong , et al. August 24, 2 | 2021-08-24 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"NPTEKRC" 97478645 |
NPTEKRC 2022-06-28 |
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