3541182

Information

• Patent Grant
• 3541182

• References
• Source

• Patent Number

  3,541,182

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • C09B56/12 - Anthraquinone-azo dyes
  • C07J1/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom
  • C07J75/00 - Processes for the preparation of steroids in general
  • C09B1/32 - substituted by aryl groups
  • C09B43/08 - by reduction
  • C09B43/11 - by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups
  • C09B43/12 - by acylation of amino groups

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 552 - Organic compounds