Powdered epoxy composition

Details Powdered epoxy composition Powdered epoxy composition

2005-08-23

2005-08-23

Robertson, Jeffrey B. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S451000, C523S466000, C525S523000, C528S087000

Reexamination Certificate

active

06933332

ABSTRACT:
A cured epoxy coating comprising from about 30% to about 40% of at least one epoxy resin selected from the group consisting of diglycidyl ethers of bisphenol A, from about 55% to about 60% of a particulate flame retardant, from about 1% to about 4% of at least one multifunctional hindered phenol; and no more than about 5% of at least one adhesion promoter. The cured coating provides insulation for electrical current carriers and has an average surface roughness from about 10 μm to about 13 μm as measured using a Pethometer M4P 150 surface profile measuring instrument.

REFERENCES:
patent: 5418265 (1995-05-01), Matsuzaki et al.
patent: 5708039 (1998-01-01), Daly et al.
patent: 5747565 (1998-05-01), Ono et al.
patent: 6344155 (2002-02-01), Kitahara et al.
patent: 6256475 (1994-09-01), None
patent: 07-258384 (1995-10-01), None
patent: 11-172075 (1999-06-01), None
Abstract of Japanese Pat. 6256475, 1995,Chemical Abstracts.

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