638127

Information

• Patent Grant
• 638127

• References
• Source

• Patent Number

  638,127

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1899
  125 years ago

• CPC

  • C09B35/40 - the component K being a dihydroxy or polyhydroxy compound

• US Classifications

  • 534 - Organic compounds