Japan, Feb. 24 -- TOPPAN PRINTING CO LTD,BELL POLYESTER PRODUCTS INC,DAIWA CAN CO LTD has got intellectual property rights for 'SEALANT FILM, LAMINATE, AND PACKAGING BAG.' Other related details are as follows:
Application Number: JP,2021-168018
Category (FI): B65D30/16@A,B65D65/40@D,C08J5/18,B32B27/00@M,B32B27/00@H,B32B27/36,C08L67/02,B65D30/02
Stage: PROBLEM TO BE SOLVED: To provide a polyester-based sealant film which is excellent in seal strength and impact resistance.SOLUTION: A sealant film contains (A) a base polyester resin using an acid component containing a terephthalic acid and a diol component containing ethylene glycol, and (B) a polyester elastomer resin incompatible with (A) the base polyester resin, wherein (B) the polyester elastomer resin is a resin using an acid component containing an aromatic dicarboxylic acid and a diol component containing 1,4-butanediol and polyoxyalkylene glycol.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: Oct. 13, 2021
Publication Date: April 25, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
