3662765

Information

• Patent Grant
• 3662765

• References
• Source

• Patent Number

  3,662,765

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • F01N3/0228 - the structure being made of foamed rubber or plastics
  • A24D3/166 - Silicic acid or silicates
  • B01D39/04 - Organic material
  • B01D39/1676 - of synthetic origin
  • F01N2330/20 - Plastics
  • F01N2370/22 - used in non-catalytic purification apparatus
  • Y02T10/20 - Exhaust after-treatment

• US Classifications

  • 131 - Tobacco
  • 055 - Gas separation
  • 521 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers