Patent ID: 11945727
Assignee: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC C

Claim 4:
5. The zirconia-based porous body according to claim 1, wherein
the zirconia-based porous body has a total pore volume of 0.3 ml/g or more in a pore distribution based on a mercury intrusion method after a heat treatment at 1100° C. for 3 hours,
a pore volume of pores having a diameter of 20 nm or more and less than 100 nm is 0.1 ml/g or less after a heat treatment at 1100° C. for 3 hours, and
a pore volume of pores having a diameter of 100 nm or more and 1000 nm or less is 0.2 ml/g or more after a heat treatment at 1100° C. for 3 hours.