Sugata Das

Follow

Person

Pune, IN

People

Patents Grantslast 30 patents

Information Patent Grant
Advanced filtration device for water and wastewater treatment
- Patent number 8,753,509
- Issue date Jun 17, 2014
- Aquatech International Corporation
- Ravi Chidambaran
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Preparation of high performance ultra filtration hollow fiber membrane
- Patent number 8,424,688
- Issue date Apr 23, 2013
- Aquatech International Corporation
- Ravi Chidambaran
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of high performance ultra filtration hollow fiber membrane
- Patent number 8,104,624
- Issue date Jan 31, 2012
- Aquatech International Corporation
- Ravi Chidambaran
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION OF HIGH PERFORMANCE ULTRA FILTRATION HOLLOW FIBER MEMBRANE
- Publication number 20120111790
- Publication date May 10, 2012
- Ravi Chidambaran
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
ADVANCED FILTRATION DEVICE FOR WATER AND WASTEWATER TREATMENT
- Publication number 20110192794
- Publication date Aug 11, 2011
- Ravi Chidambaran
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION OF HIGH PERFORMANCE ULTRA FILTRATION HOLLOW FIBER MEMBRANE
- Publication number 20090308805
- Publication date Dec 17, 2009
- Ravi Chidambaran
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING