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C01B21/0461
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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
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C01B21/0461
Carbon based materials
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Patents Grants
last 30 patents
Information
Patent Grant
Nitrogen service supply system
Patent number
11,014,039
Issue date
May 25, 2021
Praxair Technology, Inc.
Richard M Kelly
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Refrigerator
Patent number
10,966,442
Issue date
Apr 6, 2021
QINGDAO HAIER JOINT STOCK CO., LTD
Xiaobing Zhu
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Refrigerating and freezing device
Patent number
10,890,369
Issue date
Jan 12, 2021
QINGDAO HAIER JOINT STOCK CO., LTD
Haoquan Liu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for producing nitrogen gas, method for separating gas and de...
Patent number
9,359,203
Issue date
Jun 7, 2016
Taiyo Nippon Sanso Corporation
Makiya Kokubu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for purification of ammonia, mixtures of nitrogen and hydrog...
Patent number
9,272,906
Issue date
Mar 1, 2016
POLITECHNIKA WARSZAWSKA
Wioletta Rarog-Pilecka
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Non-thermofusible phenol resin powder, method for producing the sam...
Patent number
8,658,120
Issue date
Feb 25, 2014
Air Water Inc.
Naoto Yoshinaga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Non-thermofusible phenol resin powder, method for producing the sam...
Patent number
8,409,756
Issue date
Apr 2, 2013
Air Water Inc.
Naoto Yoshinaga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Non-thermofusible phenol resin powder, method for producing the sam...
Patent number
8,411,415
Issue date
Apr 2, 2013
Air Water Inc.
Naoto Yoshinaga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Non-thermofusible phenol resin powder, method for producing the sam...
Patent number
8,293,860
Issue date
Oct 23, 2012
Air Water Inc.
Naoto Yoshinaga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Non-thermofusible phenol resin powder, method for producing the sam...
Patent number
8,158,095
Issue date
Apr 17, 2012
Air Water Inc.
Naoto Yoshinaga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of separating nitrogen gas and molecular sieve carbon
Patent number
7,670,408
Issue date
Mar 2, 2010
Kuraray Chemical Co., Ltd.
Yukihito Ota
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Adsorbent for separating nitrogen from mixed gas of oxygen and nitr...
Patent number
6,916,358
Issue date
Jul 12, 2005
Taiyo Nippon Sanso Corporation
Akihiro Nakamura
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Carbon adsorbent, manufacturing method therefor, gas separation met...
Patent number
5,972,834
Issue date
Oct 26, 1999
Nippon Sanso Corporation
Takushi Ohsaki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for obtaining nitrogen from air or nitrogen-containing gase...
Patent number
5,275,640
Issue date
Jan 4, 1994
Bergwerksverband GmbH
Hans J. Schroter
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Air separation by pressure swing adsorption with a high capacity ca...
Patent number
5,240,474
Issue date
Aug 31, 1993
Air Products and Chemicals, Inc.
Steven R. Auvil
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Modified carbon molecular sieves for gas separation
Patent number
5,098,880
Issue date
Mar 24, 1992
Air Products and Chemicals, Inc.
Thomas R. Gaffney
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Use of helium and argon diluent gases in modification of carbon mol...
Patent number
5,086,033
Issue date
Feb 4, 1992
Air Products and Chemicals, Inc.
John N. Armor
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Modified carbon molecular sieve adsorbents
Patent number
5,071,450
Issue date
Dec 10, 1991
Air Products and Chemicals, Inc.
Alejandro L. Cabrera
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of molecular sieving carbon
Patent number
5,059,578
Issue date
Oct 22, 1991
Kanebo, Ltd.
Chisato Marumo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Molecular sieving carbon
Patent number
4,933,314
Issue date
Jun 12, 1990
Kanebo Ltd.
Chisato Marumo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing carbon molecular sieves
Patent number
4,880,765
Issue date
Nov 14, 1989
Bergwerksverband GmbH
Karl Knoblauch
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the selective removal of trace amounts of oxygen from g...
Patent number
4,734,273
Issue date
Mar 29, 1988
Shell Oil Company
Weston W. Haskell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen generator process for the production of low volumes of hig...
Patent number
4,572,723
Issue date
Feb 25, 1986
Bergwerksverband GmbH
Derek E. Ward
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Carbon containing molecular sieves
Patent number
3,979,330
Issue date
Sep 7, 1976
Bergwerksverband GmbH
Heinrich Munzner
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
NITROGEN SERVICE SUPPLY SYSTEM
Publication number
20200009493
Publication date
Jan 9, 2020
Richard M. Kelly
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for the Production of Highly Pure Birnessite
Publication number
20190292067
Publication date
Sep 26, 2019
Prince Erachem SPRL
Guillaume B. Rebmann
C01 - INORGANIC CHEMISTRY
Information
Patent Application
REFRIGERATING AND FREEZING DEVICE
Publication number
20190145691
Publication date
May 16, 2019
QINGDAO HAIER JOINT STOCK CO., LTD.
HAOQUAN LIU
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING NITROGEN GAS, METHOD FOR SEPARATING GAS AND DE...
Publication number
20140326139
Publication date
Nov 6, 2014
Taiyo Nippon Sanso Corporation
Makiya Kokubu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NON-THERMOFUSIBLE PHENOL RESIN POWDER, METHOD FOR PRODUCING THE SAM...
Publication number
20120237830
Publication date
Sep 20, 2012
AIR WATER INC.
Naoto Yoshinaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NON-THERMOFUSIBLE PHENOL RESIN POWDER, METHOD FOR PRODUCING THE SAM...
Publication number
20120135238
Publication date
May 31, 2012
AIR WATER INC.
Naoto Yoshinaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
GAS RECOVERY PROCESS
Publication number
20100139485
Publication date
Jun 10, 2010
Alberto I. Lacava
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Non-thermofusible phenol resin powder, method for producing the sam...
Publication number
20100075228
Publication date
Mar 25, 2010
AIR WATER INC.
Naoto Yoshinaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Non-thermofusible phenol resin powder, method for producing the sam...
Publication number
20100074831
Publication date
Mar 25, 2010
AIR WATER INC.
Naoto Yoshinaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Non-thermofusible phenol resin powder, method for producing the sam...
Publication number
20100004356
Publication date
Jan 7, 2010
AIR WATER INC.
Naoto Yoshinaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of Separating Nitrogen Gas and Molecular Sieve Carbon
Publication number
20070261550
Publication date
Nov 15, 2007
Kuraray Chemical Co., Ltd.
Yukihito Ota
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Adsorbent for separating nitrogen from mixed gas of oxygen and nitr...
Publication number
20040231510
Publication date
Nov 25, 2004
Akihiro Nakamura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL