2625531

Information

• Patent Grant
• 2625531

• References
• Source

• Patent Number

  2,625,531

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1953
  72 years ago

• CPC

  • C08G18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G18/12 - using two or more compounds having active hydrogen in the first polymerisation step
  • C08G18/65 - Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
  • C08G18/6523 - Compounds of group C08G18/3225 or C08G18/3271 or polyamines of C08G18/38
  • C08G18/68 - Unsaturated polyesters
  • C08G18/76 - aromatic
  • C08G18/7621 - being toluene diisocyanate including isomer mixtures
  • G05B11/016 - using inductance means
  • H01F29/14 - with variable magnetic bias
  • H03F9/00 - Magnetic amplifiers

• US Classifications

  • 525 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers