Looh Tchuin Choong

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Somerville, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Osmotic membrane
- Patent number 10,888,820
- Issue date Jan 12, 2021
- Gradiant Corporation
- Prakash Narayan Govindan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Osmotic desalination methods and associated systems
- Patent number 10,518,221
- Issue date Dec 31, 2019
- Gradiant Corporation
- Looh Tchuin Choong
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Selective retention of multivalent ions
- Patent number 10,301,198
- Issue date May 28, 2019
- Gradiant Corporation
- Maximus G. St. John
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Production of multivalent ion-rich process streams using multi-stag...
- Patent number 10,245,555
- Issue date Apr 2, 2019
- Gradiant Corporation
- Maximus G. St. John
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
OSMOTIC DESALINATION METHODS AND ASSOCIATED SYSTEMS
- Publication number 20190009218
- Publication date Jan 10, 2019
- Gradiant Corporation
- Looh Tchuin Choong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SELECTIVE RETENTION OF MULTIVALENT IONS
- Publication number 20180244545
- Publication date Aug 30, 2018
- Gradiant Corporation
- Maximus G. St. John
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PRODUCTION OF MULTIVALENT ION-RICH PROCESS STREAMS USING MULTI-STAG...
- Publication number 20180236406
- Publication date Aug 23, 2018
- Gradiant Corporation
- Maximus G. St. John
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Osmotic Membrane
- Publication number 20180104649
- Publication date Apr 19, 2018
- Gradiant Corporation
- Prakash Narayan Govindan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL