3459571

Information

• Patent Grant
• 3459571

• References
• Source

• Patent Number

  3,459,571

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

  • C03C25/103 - with organic coatings
  • C04B20/1048 - Polysaccharides
  • C04B28/14 - containing calcium sulfate cements
  • C04B2111/0062 - Gypsum-paper board like materials
  • C04B2111/28 - Fire resistance
  • Y10S428/92 - Fire or heat protection feature
  • Y10T428/249926 - Including paper layer
  • Y10T428/249986 - Void-containing component contains also a solid fiber or solid particle
  • Y10T428/25 - Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
  • Y10T428/31971 - Of carbohydrate
  • Y10T428/31996 - Next to layer of metal salt [e.g., plasterboard, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 106 - Compositions: coating or plastic
  • 264 - Plastic and nonmetallic article shaping or treating: processes