Ammonia

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Patents Grantslast 30 patents

Information Patent Grant
Gas recovering apparatus, semiconductor manufacturing system, and g...
- Patent number 11,766,635
- Issue date Sep 26, 2023
- Kioxia Corporation
- Yuya Matsubara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydrogen purification device and hydrogen purification method
- Patent number 11,472,701
- Issue date Oct 18, 2022
- National University Corporation Tokai National Higher Education and Research...
- Shinji Kambara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for preparing high purity ammonia
- Patent number 8,968,694
- Issue date Mar 3, 2015
- Hunan HiEND Products Co., Ltd.
- Jianren Bao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for adsorbing and separating argon and hydrogen gases in hig...
- Patent number 5,547,492
- Issue date Aug 20, 1996
- Korea Institute of Energy Research
- Soon-Haeng Cho
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3772852
- Patent number 3,772,852
- Issue date Nov 20, 1973
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3475882
- Patent number 3,475,882
- Issue date Nov 4, 1969
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3352121
- Patent number 3,352,121
- Issue date Nov 14, 1967
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...