3644537

Information

• Patent Grant
• 3644537

• References
• Source

• Patent Number

  3,644,537

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • H01B3/36 - condensation products of phenols with aldehydes or ketones
  • C07C37/14 - by addition reactions
  • C07C39/16 - Bis-(hydroxyphenyl) alkanes Tris-(hydroxyphenyl)alkanes
  • C07C39/17 - containing other rings in addition to the six-membered aromatic rings
  • C08G8/08 - of formaldehyde
  • C08G8/30 - by unsaturated compounds
  • C08G63/133 - Hydroxy compounds containing aromatic rings
  • C08L65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain Compositions of derivatives of such polymers

• US Classifications

  • 568 - Organic compounds
  • 525 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers