×

Refrigerant and heat transfer fluid additive

  • US 6,432,320 B1
  • Filed: 11/22/2000
  • Issued: 08/13/2002
  • Est. Priority Date: 11/02/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. A heat transfer composition comprising:

  • a heat transfer medium; and

    an additive comprising;

    a powder selected from the group consisting of metals, metal oxides, alloys, and combinations thereof, the powder having an average particle size of from about 1 nanometer to about 100 microns, and a coating on the powder, the coating including at least one chemical agent selected from the group consisting of organic corrosion inhibitors, inorganic corrosion inhibitors, ethylene oxide/polypropylene oxide block copolymers, and combinations thereof.

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