Sherman and Shalloway
Method of forming three-dimensional pattern
 The method of forming a three-dimensional pattern, wherein a pattern forming mold formed from an expanded polyethylene is attached to the work surface where a desired pattern is to be formed, a surfacing material of a specific acrylic resin concrete is cast onto the work surface, the surfacing material is allowed to harden, and the mold is detached and removed from the work surface. 
Mitsui Petrochemical Industries, Ltd.
Y B E
Y10S B29C E04F
additional inventional inventional
Yasuyuki Katsunori Yasuo
Suzuki Tsuchida Watanabe