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C01B21/0837
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C
CHEMISTRY METALLURGY
C01
Inorganic chemistry
C01B
NON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B21/00
Nitrogen Compounds thereof
Current Industry
C01B21/0837
Purification
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for purifying perfluorinated products
Patent number
8,771,626
Issue date
Jul 8, 2014
E I du Pont de Nemours and Company
Mark Brandon Shiflett
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for refining nitrogen trifluoride gas using alkali earth me...
Patent number
7,842,125
Issue date
Nov 30, 2010
Hyosung Corporation
Yong-Chul Park
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for refining nitrogen trifluoride gas using alkali earth me...
Patent number
7,637,986
Issue date
Dec 29, 2009
Hyosung Corporation
Yong-Chul Park
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for purifying nitrogen trifluoride
Patent number
7,569,122
Issue date
Aug 4, 2009
Sodiff Advanced Materials Co., Ltd.
Young-Kyun Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Purification of nitrogen trifluoride
Patent number
7,384,618
Issue date
Jun 10, 2008
Honeywell International Inc.
Rajiv R. Singh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of NF3
Patent number
7,074,378
Issue date
Jul 11, 2006
Air Products and Chemicals, Inc.
James Joseph Hart
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying gaseous nitrogen trifluoride
Patent number
7,022,160
Issue date
Apr 4, 2006
Zakrytoe Aktsionernoe Obschestvo Nauchno-Proizvodstvennoe Obiedinenie “Pim-In...
Sergei Mikhailovich Igumnov
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for purifying perfluorinated products
Patent number
6,458,249
Issue date
Oct 1, 2002
E. I. Du Pont de Nemours and Company
Ralph Newton Miller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of refining nitrogen trifluoride gas
Patent number
5,069,887
Issue date
Dec 3, 1991
Central Glass Company, Limited
Takashi Suenaga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for kinetic gas-solid chromatographic separations
Patent number
5,069,690
Issue date
Dec 3, 1991
Air Products and Chemicals, Inc.
Philip B. Henderson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of liquefying and condensing nitrogen trifluoride and a meth...
Patent number
4,975,259
Issue date
Dec 4, 1990
Mitsui Toatsu Chemicals, Inc.
Hiroyuki Hyakutake
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying nitrogen trifluoride gas
Patent number
4,933,158
Issue date
Jun 12, 1990
Mitsui Toatsu Chemicals, Incorporated
Makoto Aritsuka
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3181305
Patent number
3,181,305
Issue date
May 4, 1965
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD, DEVICE AND SYSTEM FOR ENRICHMENT OF NF3 GAS
Publication number
20160083254
Publication date
Mar 24, 2016
OCI COMPANY LTD.
Dong-Won LIM
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and Apparatus for Removing Contaminants from Nitrogen Triflu...
Publication number
20130341178
Publication date
Dec 26, 2013
Andrew David Johnson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method For Purifying Nitrogen Trifluoride
Publication number
20090142248
Publication date
Jun 4, 2009
SODIFF ADVANCED MATERIALS CO., LTD.
Young-Kyun Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Process For Refining Nitrogen Trifluoride Gas Using Alkali Earth Me...
Publication number
20080087166
Publication date
Apr 17, 2008
HYOSUNG CORPORATION
Yong-Chul Park
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for refining nitrogen trifluoride gas using alkali earth me...
Publication number
20080019894
Publication date
Jan 24, 2008
Yong-Chul Park
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PURIFYING PERFLUORINATED PRODUCTS
Publication number
20070297965
Publication date
Dec 27, 2007
Mark Brandon Shiflett
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of producing a mixture of ozone and high pressure carbon dio...
Publication number
20070062372
Publication date
Mar 22, 2007
Ravi Jain
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Purification of nitrogen trifluoride
Publication number
20060228285
Publication date
Oct 12, 2006
Honeywell International Inc.
Rajiv R. Singh
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Process for the purification of NF3
Publication number
20050163695
Publication date
Jul 28, 2005
James Joseph Hart
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Distillation process for reducing the concentration of dinitrogen d...
Publication number
20050016829
Publication date
Jan 27, 2005
Ralph Newton Miller
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method of purifying gaseous nitrogen trifluoride
Publication number
20030221556
Publication date
Dec 4, 2003
Sergei Mikhailovich Igumnov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for purifying perfluorinated products
Publication number
20030129118
Publication date
Jul 10, 2003
Ralph Newton Miller
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PURIFYING PERFLUORINATED PRODUCTS
Publication number
20020001560
Publication date
Jan 3, 2002
RALPH NEWTON MILLER
C01 - INORGANIC CHEMISTRY