3897588

Information

• Patent Grant
• 3897588

• References
• Source

• Patent Number

  3,897,588

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  50 years ago

• CPC

  • D21H27/30 - Multi-ply
  • D21H19/04 - applied as foil
  • H05K1/036 - Multilayers with layers of different types
  • H05K1/0366 - reinforced
  • D21H11/04 - Kraft or sulfate pulp
  • D21H11/12 - Pulp from non-woody plants or crops
  • D21H13/40 - vitreous
  • D21H17/46 - obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D21H17/47 - Condensation polymers of aldehydes or ketones
  • H05K2201/0166 - Polymeric layer used for special processing
  • H05K2201/0284 - Paper
  • H05K2201/0293 - Non-woven fibrous reinforcement
  • H05K2201/0355 - Metal foils
  • H05K2203/1476 - Same or similar kind of process performed in phases
  • Y10S428/901 - Printed circuit
  • Y10T428/31529 - Next to metal
  • Y10T428/31627 - Next to aldehyde or ketone condensation product

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 162 - Paper making and fiber liberation