3560229

Information

• Patent Grant
• 3560229

• References
• Source

• Patent Number

  3,560,229

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1971
  54 years ago

• CPC

  • C09B11/24 - Phthaleins containing amino groups; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
  • B41M5/0253 - using a chemical colour-forming ink
  • B41M5/155 - Colour-developing components
  • B41M5/327 - with a lactone or lactam ring
  • B41M5/3335 - Compounds containing phenolic or carboxylic acid groups or metal salts thereof
  • B41M5/3336 - Sulfur compounds

• US Classifications

  • 106 - Compositions: coating or plastic