Classifications

• • 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
  • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
  • C01B21/24—Nitric oxide (NO)
  • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03F—SEWERS; CESSPOOLS
  • E03F5/00—Sewerage structures
  • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Inorganic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Exhaust Gas Treatment By Means Of Catalyst (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=31895360

Family Applications (1)

Country Status (4)

• 0
  • NL NL55849D patent/NL55849B/xx unknown
  • BE BE377717D patent/BE377717A/xx unknown
• 1931
  • 1931-03-02 FR FR712385D patent/FR712385A/fr not_active Expired
  • 1931-03-03 GB GB6617/31A patent/GB358850A/en not_active Expired
• 1942
  • 1942-03-02 FR FR879820D patent/FR879820A/fr not_active Expired

Also Published As

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