1688256

Information

• Patent Grant
• 1688256

• References
• Source

• Patent Number

  1,688,256

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1928
  96 years ago

• CPC

  • C09B1/28 - substituted by alkyl, aralkyl or cyclo alkyl groups
  • C09B1/303 - only sulfonated in the anthracene nucleus

• US Classifications

  • 552 - Organic compounds