Thermosetting compositions, thermal latent acid catalysts, methods of coating and coated articles

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United States of America Patent

PATENT NO 5521011
SERIAL NO

08444160

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An article coated by a method of coating which comprises coating a substrate with a top coating material comprising at least one pigment and a thermosetting composition, the at least one pigment being in an amount of 0 to 100 weight parts based on 100 weight parts of the thermosetting composition, the thermosetting composition comprising (A) a compound having in the molecule two or more functional groups of the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each selected from the group consisting of a hydrogen atom and an organic group of 1 to 18 carbon atoms, R.sup.4 is an organic group of 1 to 18 carbon atoms, Y.sup.1 is oxygen or sulfur, or R.sup.3 and R.sup.4 are bonded with each other to form a heterocyclic structure which comprises Y.sup.1 as the hetero atom; (B) a compound having in the molecule two or more reactive functional groups which can form chemical bonds with the functional groups of the compound (A) by heating, the reactive functional groups of the compound (B) are epoxy groups; and (F) a complex compound formed by coordination of a conjugated base of a Bronsted acid or a Bronsted salt to a vacant orbital of a Lewis acid in a mol ratio of the Bronsted acid or Bronsted salt to the vacant orbital of the Lewis acid of 0.1 to 4.

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Patent Owner(s)

Patent OwnerAddress
NIPPON OIL AND FATS COMPANY LIMITEDCHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishidoya, Masahiro Kamakura, JP 27 264
Komoto, Keiji Tokyo, JP 41 591
Mashita, Mitsuyuki Yokohama, JP 7 51
Ohe, Osamu Yokohama, JP 13 132
Shibamoto, Kenji Yokohama, JP 8 63
Shibato, Kishio Yokohama, JP 22 149

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