US 12,240,930 B2
Cyclic olefin-based copolymer, cyclic olefin-based copolymer composition, molded article, and medical container
Hideki Wasa, Sodegaura (JP); Haruka Saito, Chiba (JP); Sunil Krzysztof Moorthi, Ichihara (JP); Futoshi Fujimura, Ichihara (JP); Masahiko Okamoto, Chiba (JP); Emi Oniki, Sodegaura (JP); Kouichi Kizu, Chiba (JP); and Jiacheng He, Chiba (JP)
Assigned to MITSUI CHEMICALS, INC., Tokyo (JP)
Filed by MITSUI CHEMICALS, INC., Tokyo (JP)
Filed on Jan. 23, 2023, as Appl. No. 18/157,892.
Application 18/157,892 is a division of application No. 16/766,838, granted, now 11,732,075, previously published as PCT/JP2018/043621, filed on Nov. 27, 2018.
Claims priority of application No. 2017-228675 (JP), filed on Nov. 29, 2017; and application No. 2018-138691 (JP), filed on Jul. 24, 2018.
Prior Publication US 2023/0159684 A1, May 25, 2023
Int. Cl. C08F 210/02 (2006.01); A61J 1/05 (2006.01); B65D 65/38 (2006.01); B65D 85/00 (2006.01); C08F 232/00 (2006.01); C08F 232/08 (2006.01); G02B 1/04 (2006.01); A61J 1/06 (2006.01); A61J 1/10 (2006.01)
CPC C08F 232/00 (2013.01) [A61J 1/05 (2013.01); B65D 65/38 (2013.01); B65D 85/70 (2013.01); G02B 1/041 (2013.01); A61J 1/06 (2013.01); A61J 1/10 (2013.01); C08F 210/02 (2013.01); C08F 232/08 (2013.01); C08F 2800/10 (2013.01)] 7 Claims
 
1. A medical container comprising:
a cyclic olefin-based copolymer having a constitutional unit (A) derived from an α-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring,
wherein the cyclic olefin having an aromatic ring contains at least one kind of compound selected from benzonorbornadiene, indene norbornene, and methyl phenyl norbornene.