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Patent Searching and Data


Title:
COOLING SHEET
Document Type and Number:
WIPO Patent Application WO/2020/170978
Kind Code:
A1
Abstract:
This cooling sheet is provided with a support layer, an adhesive layer, and a liner layer for protecting the adhesive layer. The adhesive layer contains: 65-85 mass% of water with respect to the total mass of the adhesive layer; 0.12-0.7 mass% of monooleic acid polyalkylene glycol with respect to the total mass of the adhesive layer; 3-10 mass% of polyvinyl alcohol with respect to the total mass of the adhesive layer; 0.5-5 mass% of polyacrylic acid with respect to the total mass of the adhesive layer; and 0.01-1 mass% of paraoxybenzoic acid ester with respect to the total mass of the adhesive layer, wherein the mass ratio of the polyvinyl alcohol content to the polyacrylic acid content is within the range of 1.2:1 to 5:1.

Inventors:
NAKASHIMA KENTARO (JP)
TSURUSHIMA KEIICHIRO (JP)
YOSHINAGA TAKAAKI (JP)
Application Number:
PCT/JP2020/005844
Publication Date:
August 27, 2020
Filing Date:
February 14, 2020
Export Citation:
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Assignee:
HISAMITSU PHARMACEUTICAL CO (JP)
International Classes:
A61K9/70; A61F7/02; A61K47/14; A61K47/32; A61K47/34; A61L15/00
Foreign References:
JP2010280609A2010-12-16
JP2010284519A2010-12-24
JP2012210407A2012-11-01
JP2010284519A2010-12-24
JP2007029638A2007-02-08
JPH06135828A1994-05-17
Other References:
See also references of EP 3928773A4
Attorney, Agent or Firm:
CENTCREST IP ATTORNEYS (JP)
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