3575953

Information

• Patent Grant
• 3575953

• References
• Source

• Patent Number

  3,575,953

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  53 years ago

• CPC

  • C09B47/20 - Obtaining compounds having sulfur atoms directly bound to the phthalocyanine skeleton
  • C09B49/00 - Sulfur dyes
  • C09B49/122 - from phthalocyanine compounds

• US Classifications

  • 544 - Organic compounds
  • 540 - Organic compounds
  • 552 - Organic compounds
  • 568 - Organic compounds