Curable composition, varnish, and layered product

Details Curable composition, varnish, and layered product Curable composition, varnish, and layered product

2007-01-09

2007-01-09

Feely, Michael J. (Department: 1712)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C252S609000, C428S901000, C523S451000, C523S452000, C524S115000

Reexamination Certificate

active

10398284

ABSTRACT:
A curable composition comprises an insulating resin and a halogen-free flame retardant. The halogen-free flame retardant has a particulate form, and whose primary particles have an average major axis from 0.01 to 5 μm, an aspect ratio of 5 or less, and the proportion of a major axis of more than 10 μm being at most 10% by number. A varnish comprises an insulating resin, a curing agent, a flame retardant and an organic solvent. The flame retardant is a flame retardant in particulate form surface-treated with a coupling agent, and the flame retardant particles present in the varnish have a secondary particle diameter of 30 μm or less.

REFERENCES:
patent: 6136973 (2000-10-01), Suzuki et al.
patent: 6319619 (2001-11-01), Yamamoto et al.
patent: 6676920 (2004-01-01), Oishi et al.
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patent: A 10-306081 (1998-11-01), None
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patent: A 2000-290490 (2000-10-01), None
patent: A 2000-303257 (2000-10-01), None
patent: A 2000-345034 (2000-12-01), None
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Machine translation of JP 2000-095956, provided by the JPO website.

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