ClassID:

84243

C01B3/0047 - CPC Classification

Classification description:

Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it ; Purification of hydrogen; Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof; Intermetallic compounds; Metal alloys; Treatment thereof containing a rare earth metal; Treatment thereof

Sub-classes:
Recent Application in this class:
#1
20180131001
2018-05-10

Hydrogen storage multi-phase alloys

#2
20170338508
2017-11-23

Optimization of the cerium-hydrogen redox flow cell

#3
20150333327
2015-11-19

Hydrogen storage multi-phase alloys

#4
20120315183
2012-12-13

Hydrogen absorption alloy, hydrogen absorption alloy electrode, and secondary battery

#5
20110138748
2011-06-16

Method for manufacturing a hydrogen tank with metal hydrides

#6
20110111954
2011-05-12

Hydrogen storage materials

#7
20110009656
2011-01-13

Method of surface modification of metallic hydride forming materials

#8
20100115970
2010-05-13

THERMAL MANAGEMENT APPARATUS FOR GAS STORAGE

#9
20100108543
2010-05-06

Composition comprising hydrogen storage alloy and resin

#10
20100101410
2010-04-29

Helium recovery process

#11
20090246069
2009-10-01

Magnesium based-alloys for hydrogen storage

#12
20090148635
2009-06-11

Non-evaporable getter alloys based on yttrium for hydrogen sorption

#13
20090130551
2009-05-21

Nickel metal-hydride battery

#14
20090104527
2009-04-23

Hydrogen storage alloy, its production method, hydrogen storage alloy electrode, and secondary battery

#15
20090061318
2009-03-05

Hydrogen-absorbing alloy and nickel-metal hydride storage battery

#16
20090060833
2009-03-05

Fuel Compositions for Fuel Cells and Gas Generators Utilizing Same

#17
20080152971
2008-06-26

Fuel cell having hydrogen storage tank and hydrogen generator with alkaline solution

#18
20080105828
2008-05-08

TECHNIQUES FOR REMOVING MOLECULAR FRAGMENTS FROM AN ION IMPLANTER

#19
20070231184
2007-10-04

Hydrogen occlusive alloy, hydrogen storage film and hydrogen storage tank

#20
20060178266
2006-08-10

Hydrogen storage composite and preparation thereof

#21
20060051656
2006-03-09

Hydrogen storage material with high storage capacity

#22
20050274439
2005-12-15

Intermetallic articles of manufacture having high room temperature ductility

#23
20050255382
2005-11-17

Hydrogen storage alloys having improved cycle life and low temperature operating characteristics

#24
20050252548
2005-11-17

Metal hydride hydrogen storage and delivery system

#25
20050169766
2005-08-04

Getter compositions reactivatable at low temperature after exposure to reactive gases at higher temperature

#26
20050129998
2005-06-16

Hydrogen storage metal alloy, method for absorption and release of hydrogen using the said alloy and hydrogen fuel battery using the said method