Patent ID: 11970592
Assignee: SK INNOVATION CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC C | IPC C

Claim 14:
15. The window cover film of claim 1, wherein the alicyclic dianhydride is selected from one or a mixture of two or more of 1,2,3,4-cyclobutanetetracarboxylic dianhydride (CB DA), 5-(2,5-dioxotetrahydrofuryl)-3-methylcyclohexene-1,2-dicarboxylic dianhydride (DOCDA), bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic dianhydride (BTA), bicyclooctene-2,3,5,6-tetracarboxylic dianhydride (BODA), 1,2,3,4-cyclopentanetetracarboxylic dianhydride (CPDA), 1,2,4,5-cyclohexanetetracarboxylic dianhydride (CHDA), 1,2,4-tricarboxy-3-methylcarboxycyclopentane dianhydride (TMDA), 1,2,3,4-tetracarboxycyclopentane dianhydride (TCDA), and/or derivatives thereof.