Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Reexamination Certificate
2007-01-30
2007-01-30
Chevalier, Alicia (Department: 1772)
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
C428S151000, C428S904000
Reexamination Certificate
active
10328188
ABSTRACT:
There are provided a composition for matte layer formation suitable for the production of a matte synthetic leather having a matte surface with a high level of jet-blackness even without the practice of embossing, raising, etc., and a release sheet for the production of a matte synthetic leather by using the composition. The composition for matte layer formation suitable for the production of a matte synthetic leather comprises a thermosetting resin and a matting agent as indispensable components. The matting agent comprises one or at least two types of organic or/and inorganic porous fine particles. The porous fine particles have a mean particle diameter in the range of 0.5 to 20 μm and a specific surface area in the range of 1 to 1000 m2/g. The release sheet is produced by using the composition.
REFERENCES:
patent: 6077472 (2000-06-01), Kataoka et al.
patent: 6733864 (2004-05-01), Kubota
patent: WO 01/20073 (2001-03-01), None
Merriam-Webster Online Dictionary, www.mwrriamwebster.com.
Kawagoe Yoshiki
Kubota Takeshi
Matsudaira Koichiro
Suto Kenichiro
Watanabe Hiroshi
Chevalier Alicia
Dai Nippon Printing Co. Ltd.
Oliff & Berridg,e PLC
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