Titanium dioxide free multilayer coating system

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United States of America Patent

PATENT NO 9636706
APP PUB NO 20110159309A1
SERIAL NO

12972652

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention relates to a multilayer coating system derived from Titanium dioxide free aqueous coating compositions. The multilayer coating system comprises at least two layers including a layer of base coating which provides good hiding function for substrates and a second layer of clear top coating which provides surface protection functions for the coating system. The base coating composition comprises an opaque (co)polymer having at least one void per (co)polymer particle. The top coating composition comprises a duller (co)polymer chosen from a multi-stage (co)polymer, a single stage crosslinked (co)polymer, and mixtures thereof.

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Patent Owner(s)

  • ROHM AND HAAS COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jiang, Siyuan Shanghai, CN 18 91
Li, Qianqian Shanghai, CN 29 93
Sun, Jiakuan Shanghai, CN 7 22

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