Silane dispersing agent for magnetic media

Patent 4597801 Issued on July 1, 1986. Estimated Expiration Date:

June 4, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Application

No. 06/741265 filed on 06/04/1985

US Classes:

106/403, Elemental metal or alloy containing106/453, Chromium compound containing (Cr)106/460, Organic material containing106/499, Organic material containing106/503, Sulfur or phosphorus containing360/134, Tape427/128, Magnetic coating428/403, Coated428/447, As siloxane, silicone or silane428/843.1, Dispersant or surfactant428/900MAGNETIC FEATURE

Examiners

Primary: Lieberman, Paul
Assistant: Le, Hoa Van

Attorney, Agent or Firm

Leuzzi; Paul W.

International Classes

C08L 71/00 (20060101)
C08L 71/02 (20060101)
B01F 17/00 (20060101)
C08G 65/00 (20060101)
C08G 65/327 (20060101)
C08G 65/336 (20060101)
G11B 5/70 (20060101)

Abstract

Ferromagnetic particles are dispersed for use in magnetic coatings by a novel dispersing agent containing either silylated alkylene oxide copolyethers or isocyanatoalkyl silanes in combination with phosphate esters.