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02-22-2017

Multilayer Sheet, Integrated Sheet Using same, and Manufacturing Method therefor

MULTILAYER SHEET, INTEGRATED SHEET USING SAME, AND MANUFACTURING METHOD THEREFOR (© European Patent Office)

The present invention provides a multilayer sheet that can be used in vivo or in an environment in which moisture is adhered, an integrated sheet including the multilayer sheet and a base material, and methods for producing the same. According to the present invention, there is provided a multilayer sheet in which one or more layers from each of a layer (A) composed of sparingly water-soluble polymer and a fiber layer (B) composed of water-soluble polymer are laminated, and at least one of outermost layers is the above-described layer (A) composed of sparingly water-soluble polymer. In the multilayer sheet of the present invention, the time taken from dropping of water onto a surface of the outermost layer of the above-described layer (A) composed of sparingly water-soluble polymer to dissolution of the other outermost layer is from 10 seconds to 5 minutes.

Document: EP3132927A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 03-31-2015
Publication date: 02-22-2017
Applicant: TORAY INDUSTRIES, JP
Inventor: ARAKANE TORU, JP ; SATO TERUHISA, JP ; SUZUKI AI, JP ; YAKAKE YOSHIKAZU, JP


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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