国家/地区 世界知识产权组织（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08G（2）
IPC C08G083/00（2）
发明人
公开年 2021（2）
申请年
专利权人

Material used for sensor for sensing gas including toxic gas and volatile organic compound, e.g. nitrogen-based compound, alcohol, ketone, aldehyde or thiol compound, preferably acetone, ammonia, formaldehyde or methyl mercaptan, comprises polypyrrole derivative and carbon material.

KANG S, TAKADA M, KIM J, HWANG B, HWANG P Y, KIM J Y, KANG S M

Angular filter used in image acquisition system comprises support and structure resting on face of support and comprising through holes exposing parts of face.

AFLALO J