Zhang; Zhaoduo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhang; Zhaoduo.The latest application filed is for "compositions comprising and methods of making bio-polymers".
- Zhang; Zhaoduo - Pleasanton CA
| Patent | Date |
|---|---|
| Compositions comprising and methods of making bio-polymers Grant 11,001,746 - Zhang , et al. May 11, 2 | 2021-05-11 |
| Alkaline microbial enhanced oil recovery Grant 10,428,302 - Kohr , et al. October 1, 2 | 2019-10-01 |
| Compositions Comprising And Methods Of Making Bio-polymers App 20190169486 - Zhang; Zhaoduo ; et al. | 2019-06-06 |
| Microbial enhanced oil recovery method Grant 10,227,853 - Kohr , et al. | 2019-03-12 |
| Microbial Enhnaced Oil Recovery App 20180112504 - Kohr; William J. ; et al. | 2018-04-26 |
| Microbial enhanced oil recovery method Grant 9,869,166 - Kohr , et al. January 16, 2 | 2018-01-16 |
| Microbial Enhanced Oil Recovery Method App 20160222280 - Kohr; William J. ; et al. | 2016-08-04 |
| Alkaline Microbial Enhanced Oil Recovery App 20160152943 - Kohr; William J. ; et al. | 2016-06-02 |
| Alkaline microbial enhanced oil recovery Grant 9,290,688 - Kohr , et al. March 22, 2 | 2016-03-22 |
| Alkaline microbial enhanced oil recovery App 20130062053 - Kohr; William J. ; et al. | 2013-03-14 |
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