2610152

Information

• Patent Grant
• 2610152

• References
• Source

• Patent Number

  2,610,152

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1952
  72 years ago

• CPC

  • C07D407/12 - linked by a chain containing hetero atoms as chain links
  • C07D311/08 - not hydrogenated in the hetero ring
  • C07D311/16 - substituted in position 7
  • C09B57/02 - Coumarine dyes
  • C11D3/42 - Brightening agents; Blueing agents
  • C11D9/448 - Brightening agents
  • D06L3/12 - Optical bleaching brightening
  • D06L3/125 - Optical brightening with mixtures of optical brighteners
  • D06L3/1257 - Optical brightening combined with other treatments
  • D21H21/30 - Luminescent or fluorescent substances

• US Classifications

  • 510 - Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions
  • 549 - Organic compounds