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https://drivepatents.com/patents/1380073 · 26 Mar 2026
The purpose of the present invention is to provide a sealant resin composition having excellent resistance to whitening during stretching, and good heat seal strength, as well as good heat seal strength after heat aging. The present invention relates to a ...
https://drivepatents.com/patents/1379123 · 5 Mar 2026
An ingredient for a secondary cell separator coating material includes a resin which is a reaction product of a modified methylolmelamine condensation resin having an acid group and polyvinyl alcohol, or the modified methylolmelamine condensation resin hav...