Choong; Looh Tchuin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choong; Looh Tchuin.The latest application filed is for "liquid solution concentration system comprising isolated subsystem and related methods".
- Choong; Looh Tchuin - Singapore SG
- Choong; Looh Tchuin - Somerville MA
| Patent | Date |
|---|---|
| Osmotic desalination methods and associated systems Grant 11,400,416 - Choong , et al. August 2, 2 | 2022-08-02 |
| Liquid Solution Concentration System Comprising Isolated Subsystem And Related Methods App 20210179452 - Stover; Richard ; et al. | 2021-06-17 |
| Osmotic membrane Grant 10,888,820 - Govindan , et al. January 12, 2 | 2021-01-12 |
| Systems And Methods For Removal Of Boron From Water, Such As Oilfield Wastewater App 20200231473 - Choong; Looh Tchuin ; et al. | 2020-07-23 |
| Osmotic Desalination Methods And Associated Systems App 20200147554 - Choong; Looh Tchuin ; et al. | 2020-05-14 |
| Osmotic desalination methods and associated systems Grant 10,518,221 - Choong , et al. Dec | 2019-12-31 |
| Selective retention of multivalent ions Grant 10,301,198 - St. John , et al. | 2019-05-28 |
| Production of multivalent ion-rich process streams using multi-stage osmotic separation Grant 10,245,555 - St. John , et al. | 2019-04-02 |
| Osmotic Desalination Methods And Associated Systems App 20190009218 - Choong; Looh Tchuin ; et al. | 2019-01-10 |
| Selective Retention Of Multivalent Ions App 20180244545 - St. John; Maximus G. ; et al. | 2018-08-30 |
| Production Of Multivalent Ion-rich Process Streams Using Multi-stage Osmotic Separation App 20180236406 - St. John; Maximus G. ; et al. | 2018-08-23 |
| Osmotic Membrane App 20180104649 - Govindan; Prakash Narayan ; et al. | 2018-04-19 |
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