1657380

Information

• Patent Grant
• 1657380

• References
• Source

• Patent Number

  1,657,380

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1928
  97 years ago

• CPC

  • A61K47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C10M159/10 - Rubber
  • C10M2205/20 - Natural rubber Natural resins

• US Classifications

  • 524 - Synthetic resins or natural rubbers