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CPC
C01B3/066
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Parent Industries
C
CHEMISTRY METALLURGY
C01
Inorganic chemistry
C01B
NON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B3/00
Hydrogen Gaseous mixtures containing hydrogen Separation of hydrogen from mixtures containing it Purification of hydrogen
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C01B3/066
by reaction of water with phosphorus
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Patents Grants
last 30 patents
Information
Patent Grant
3891744
Patent number
3,891,744
Issue date
Jun 24, 1975
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3369868
Patent number
3,369,868
Issue date
Feb 20, 1968
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
2706146
Patent number
2,706,146
Issue date
Apr 12, 1955
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
2273461
Patent number
2,273,461
Issue date
Feb 17, 1942
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1916594
Patent number
1,916,594
Issue date
Jul 4, 1933
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1895329
Patent number
1,895,329
Issue date
Jan 24, 1933
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1848295
Patent number
1,848,295
Issue date
Mar 8, 1932
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1837230
Patent number
1,837,230
Issue date
Dec 22, 1931
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1823923
Patent number
1,823,923
Issue date
Sep 22, 1931
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1807790
Patent number
1,807,790
Issue date
Jun 2, 1931
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1797726
Patent number
1,797,726
Issue date
Mar 24, 1931
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1756429
Patent number
1,756,429
Issue date
Apr 29, 1930
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1732373
Patent number
1,732,373
Issue date
Oct 22, 1929
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1673691
Patent number
1,673,691
Issue date
Jun 12, 1928
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1605960
Patent number
1,605,960
Issue date
Nov 9, 1926
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
1594372
Patent number
1,594,372
Issue date
Aug 3, 1926
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents