Classifications

• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
  • C01C1/00—Ammonia; Compounds thereof
  • C01C1/02—Preparation, purification or separation of ammonia
  • C01C1/026—Preparation of ammonia from inorganic compounds
  • C01C1/028—Preparation of ammonia from inorganic compounds from ammonium sulfate or sulfite
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B17/00—Sulfur; Compounds thereof
  • C01B17/02—Preparation of sulfur; Purification
  • C01B17/06—Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geology (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Analytical Chemistry (AREA)
• Treating Waste Gases (AREA)
• Gas Separation By Absorption (AREA)
• Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8633766

Family Applications (1)

Country Status (7)

• 1967
  • 1967-06-23 FR FR111809A patent/FR1572149A/fr not_active Expired
• 1968
  • 1968-06-12 US US736310A patent/US3561921A/en not_active Expired - Lifetime
  • 1968-06-20 DE DE19681767820 patent/DE1767820A1/de active Pending
  • 1968-06-21 ES ES355303A patent/ES355303A1/es not_active Expired
  • 1968-06-21 GB GB29806/68A patent/GB1172808A/en not_active Expired
  • 1968-06-21 NL NL6808829A patent/NL6808829A/xx unknown
  • 1968-06-21 BE BE716931D patent/BE716931A/xx unknown

Also Published As

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