Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-11-15
2005-11-15
Choi, Ling-Sui (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S100000, C528S312000, C528S318000, C528S317000, C528S315000
Reexamination Certificate
active
06965001
ABSTRACT:
According to the present invention, organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same are provided. In the organic-inorganic hybrid polymer materials with compositional gradient, formation of cracks, removal of surface, or deformation such as warp and distortion, under heat shock or upon aging, hardly occurs. The organic-inorganic hybrid polymer materials with compositional gradient are comprised of an organic polymer component and a metal oxide component which are covalently bonded each other, characterized in that concentration of the organic polymer component, or of the metal oxide component is increased or decreased in the direction of thickness of the material.
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Agari Yasuyuki
Arakawa Motoomi
Shimada Masayuki
Sukata Kazuaki
Birch & Stewart Kolasch & Birch, LLP
Choi Ling-Sui
Orient Chemical Industries Ltd.
Osaka Municipal Government
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