2271400

Information

• Patent Grant
• 2271400

• References
• Source

• Patent Number

  2,271,400

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1942
  83 years ago

• CPC

  • C07D513/10 - Spiro-condensed systems
  • C07D285/20 - condensed with carbocyclic rings or ring systems

• US Classifications

  • 544 - Organic compounds
  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 510 - Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions
  • 525 - Synthetic resins or natural rubbers
  • 540 - Organic compounds