×

Toner particles of controlled morphology

  • US 6,207,338 B1
  • Filed: 03/10/1999
  • Issued: 03/27/2001
  • Est. Priority Date: 03/10/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for the preparation of electrostatographic toner comprising the steps of:

  • a) dissolving a polymer material in an organic solvent to form an organic phase;

    b) dispersing the organic phase in an aqueous phase comprising a salt selected from the group consisting of aluminum salt and gallium salt and a particulate stabilizer to form a dispersion and homogenizing the resultant dispersion;

    c) evaporating the organic solvent and recovering a resultant product; and

    d) washing and drying the resultant product.

View all claims
  • 9 Assignments
Timeline View
Assignment View
    ×
    ×