1939979

Information

• Patent Grant
• 1939979

• References
• Source

• Patent Number

  1,939,979

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • C10M159/14 - obtained by Friedel-Crafts condensation
  • C10M2211/044 - Acids Salts or esters thereof
  • C10M2211/06 - Perfluorinated compounds

• US Classifications

  • 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
  • 549 - Organic compounds
  • 554 - Organic compounds