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Shiraishi; Yasuhiro
Ichihara, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6815503 Polypropylene resin composition and gas permeable film using the same November 9, 2004
Provided are a novel polypropylene resin composition, a gas permeable film comprising the same and provided with satisfactory optical characteristics (transparency, gloss and see throughness) as well as an excellent gas permeability (water vapor, oxygen and ethylene gas) without damaging
6388040 Propylene/ethylene/.alpha.-olefin terpolymers and processes for the production thereof May 14, 2002
A propylene/ethylene/.alpha.-olefin terpolymer characterized in thati) there is from 0.01 mol % to less than 15 mol % of a comonomer unit with a molar ratio of ethylene units/C.sub.4 -C.sub.20 .alpha.-olefin units being in the range of from 6.5.times.10.sup.-4 to 0.99, and from more than
6365689 Propylene/ethylene random copolymer, molding material, and molded article April 2, 2002
The present invention provides propylene/ethylene random copolymers characterized in that:an ethylene content (Ew) is 0.1-10 wt %,a relationship between an isolated ethylene content (E.sub.1) and the ethylene content (Ew) is represented by the following equation2,1- and 1,3-propylene units p
6326080 Biaxially oriented polypropylene-base film December 4, 2001
To provide an economically advantageous biaxially oriented polypropylene-based film, which is excellent in straight cuttability along the MD direction, strength along the TD direction and transparency, a film-forming material which comprises a polypropylene-based resin material consi

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