US 12,129,090 B2
Package and container
Motoaki Sato, Tokyo (JP); and Junichiro Iri, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Oct. 10, 2022, as Appl. No. 18/045,397.
Claims priority of application No. 2021-168117 (JP), filed on Oct. 13, 2021.
Prior Publication US 2023/0120121 A1, Apr. 20, 2023
Int. Cl. B65D 65/46 (2006.01); C08L 101/16 (2006.01)
CPC B65D 65/466 (2013.01) [C08L 101/16 (2013.01); C08L 2201/06 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A package or container for an interchangeable ink cartridge, comprising:
a biodegradable resin layer containing
a biodegradable resin and
a microcapsule including a core material and an outer shell including therein the core material, and
a printing layer provided on an outside of a part of the biodegradable resin layer;
wherein the core material comprises a decomposition accelerator for the biodegradable resin, and the outer shell comprises a resin composition having photodegradability,
wherein the package or container comprises
an easy-to-open part including the biodegradable resin layer provided at one end, in a periphery of the package or container, and
an extension of the easy-to-open part, including the biodegradable resin layer and extending from the one end to another end of the package or container,
wherein, in a plane, a concentration of the microcapsule in a region of the biodegradable resin layer with the printing layer outside of the biodegradable resin layer is higher than a concentration of the microcapsule in a region of the biodegradable resin layer without the printing layer outside of the biodegradable resin layer, and
wherein a concentration of the microcapsule in a region of the extension of the easy-to-open part is higher than a concentration of the microcapsule in the easy-to-open part.