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Duraiswamy Ravichandran
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College Station, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Self propagating low temperature synthesis of CaLa2S4 and fabricati...
Patent number
11,629,062
Issue date
Apr 18, 2023
TEXAS BIOCHEMICALS INC.
Duraiswamy Ravichandran
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Self-propagating low-temperature synthesis and pre-treatment of cha...
Patent number
11,242,262
Issue date
Feb 8, 2022
TEXAS BIOCHEMICALS INC.
Duraiswamy Ravichandran
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Ultra-high densification of ZnS for nano-grain optical windows
Patent number
9,575,219
Issue date
Feb 21, 2017
Duraiswamy Ravichandran
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Polycrystalline sintered nano-gran zinc sulfide ceramics for optica...
Patent number
8,803,088
Issue date
Aug 12, 2014
Texas Biochemicals, Inc.
Duraiswamy Ravichandran
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Monodispersed and spherical ZnS for nano-grain optical windows
Patent number
8,426,817
Issue date
Apr 23, 2013
Texas Biochemicals, Inc.
Duraiswamy Ravichandran
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
Self Propagating Low Temperature synthesis of CaLa2S4 and Fabricati...
Publication number
20210371295
Publication date
Dec 2, 2021
Texas Biochemicals Inc.
Duraiswamy Ravichandran
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SELF-PROPAGATING LOW-TEMPERATURE SYNTHESIS AND PRE-TREATMENT OF CHA...
Publication number
20210284549
Publication date
Sep 16, 2021
Texas Biochemicals Inc.
Duraiswamy Ravichandran
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Self-Propagating Low-Temperature Synthesis and pre-treatment of Cha...
Publication number
20180290896
Publication date
Oct 11, 2018
Texas Biochemicals Inc.
Duraiswamy Ravichandran
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
POLYCRYSTALLINE SINTERED NANO-GRAN ZINC SULFIDE CERAMICS FOR OPTICA...
Publication number
20140203461
Publication date
Jul 24, 2014
Duraiswamy Ravichandran
B82 - NANO-TECHNOLOGY
Information
Patent Application
Monodispersed and Spherical ZnS For Nano-Grain Optical Windows
Publication number
20120223230
Publication date
Sep 6, 2012
Texas Biochemicals, Inc.
Duraiswamy Ravichandran
B82 - NANO-TECHNOLOGY
Information
Patent Application
Ultra-High Densification of ZnS For Nano-Grain Optical Windows
Publication number
20120205540
Publication date
Aug 16, 2012
Texas Biochemicals, Inc.
Duraiswamy Ravichandran
G02 - OPTICS