1657440

Information

• Patent Grant
• 1657440

• References
• Source

• Patent Number

  1,657,440

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1928
  97 years ago

• CPC

  • C11C1/06 - using solid catalysts

• US Classifications

  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making
  • 554 - Organic compounds