公开(公告)号：US20240299904A1

公开(公告)日：2024-09-12

申请号：US18291804

申请日：2022-07-26

申请人： KURARAY CO., LTD.

发明人： Kengo SUZUKI ,  Shuji KAWASAKI ,  Satoru ARITA ,  Tetsuya HANAMOTO ,  Hiroe YOSHINOBU

IPC分类号： B01J20/20 ,  B01J20/28 ,  C02F1/28 ,  C02F101/36

CPC分类号： B01J20/20 ,  B01J20/28004 ,  B01J20/28016 ,  B01J20/2803 ,  B01J20/28042 ,  B01J20/28064 ,  B01J20/28066 ,  B01J20/28071 ,  B01J20/28073 ,  B01J20/28076 ,  C02F1/283 ,  C02F2101/36

摘要： A water purification filter according to the present invention contains activated carbon and one or more fibrous binders, in which the fibrous binder has a maximum fiber length of 3.0 mm or more and has one or more physical properties (a) to (c) shown below: (a) having an average shape of 80% or less; (b) having an average fiber width of 20 μm or less; and (c) in a fiber length distribution, having a ratio of a frequency of fibers having a length of 0.2 mm to 0.5 mm to a frequency of fibers having a length of 1.0 mm to 2.0 mm of 1.0 or more.

公开(公告)号：US20230149901A1

公开(公告)日：2023-05-18

申请号：US17912929

申请日：2021-09-21

申请人： KURARAY CO., LTD.

发明人： Keita TAKAHASHI ,  Tetsuya HANAMOTO ,  Hiroe YOSHINOBU

IPC分类号： B01J20/28 ,  B01D39/20 ,  B01J20/20 ,  B01J20/30

CPC分类号： B01J20/28073 ,  B01D39/2058 ,  B01J20/20 ,  B01J20/2803 ,  B01J20/28042 ,  B01J20/3007 ,  B01J20/28085 ,  B01J20/28092 ,  B01J2220/46

摘要： The adsorption filter according to the present invention is formed from a molded body including activated carbon and a binder, the pore volume of pores having a diameter of 10 μm or greater in terms of the volume of the adsorption filter as measured through mercury intrusion being 0.10 cm3/cc to 0.39 cm3/ee.

公开(公告)号：US20220081322A1

公开(公告)日：2022-03-17

申请号：US17416537

申请日：2019-12-24

申请人： KURARAY CO., LTD.

发明人： Hiroe YOSHINOBU ,  Tetsuya HANAMOTO

IPC分类号： C02F1/28 ,  B01J20/20 ,  B01J20/28

摘要： One aspect of the present invention relates to a water purification filter including: a first support member; an activated carbon layer containing activated carbon and a fibrous binder; and a second support member. A 10% particle diameter (D10) of the activated carbon in a cumulative size distribution at volume standard is 19 to 90 μm, a 50% particle diameter (D50) of the activated carbon in the cumulative size distribution at volume standard is 120 to 180 μm, and a 90% particle diameter (D90) of the activated carbon in the cumulative size distribution at volume standard is 180 to 250 μm. The first support member has an airflow resistance of 0.5 to 10 mm H2O. The second support member has an airflow resistance of 0.5 to 7 mm H2O. The activated carbon layer has a thickness of 3 to 10 mm.

公开(公告)号：US20230122106A1

公开(公告)日：2023-04-20

申请号：US17798175

申请日：2021-06-25

申请人： KURARAY CO., LTD.

发明人： Tetsuya HANAMOTO ,  Mitsunori HITOMI ,  Hiroe YOSHINOBU

IPC分类号： C02F1/00 ,  C01B32/318 ,  C01B32/354

摘要： One aspect of the present invention relates to a carbonaceous material having a BET specific surface area calculated from a nitrogen adsorption isotherm by a BET method, of 750 m2/g or more and 1000 m2/g or less, a ratio of a pore volume of pores of 0.3875 to 0.9125 nm calculated from the nitrogen adsorption isotherm by a HK method to a total pore volume calculated from the nitrogen adsorption isotherm by the HK method, of 80% or more, and an average pore diameter obtained by the following formula using the BET specific surface area and the total pore volume calculated from the nitrogen adsorption isotherm by the HK method, of 1.614 nm or less: D=4000×V/S (wherein D represents the average pore diameter (nm), V represents the total pore volume (mL/g), and S represents the specific surface area (m2/g)).

公开(公告)号：US20220219137A1

公开(公告)日：2022-07-14

申请号：US17441744

申请日：2020-03-25

申请人： KURARAY CO., LTD.

发明人： Shuji KAWASAKI ,  Shuji MATSUNAGA ,  Tetsuya HANAMOTO ,  Hiroe YOSHINOBU

IPC分类号： B01J20/18 ,  B01J20/26 ,  B01J20/20 ,  B01J20/28 ,  C02F1/28

摘要： An aspect of the present invention relates to composite aggregate particles, which include a fine particle compound (a1) containing at least either an amorphous titanosilicate compound or an aluminosilicate compound, and a plastic powder (a2). The plastic powder (a2) is attached to at least a part of the surface of the fine particle compound (a1). The pore volume and the average particle size D50 of the composite aggregate particles satisfy the following formula: pore volume (ml/g)≥0.0010×D50 (μm)+1.60.

公开(公告)号：US20220176342A1

公开(公告)日：2022-06-09

申请号：US17442164

申请日：2020-03-25

申请人： KURARAY CO., LTD.

发明人： Shuji KAWASAKI ,  Shuji MATSUNAGA ,  Tetsuya HANAMOTO ,  Hiroe YOSHINOBU

IPC分类号： B01J20/20 ,  B01J20/26 ,  B01J20/28 ,  C02F1/28

摘要： An embodiment of the present invention relates to an adsorbent which contains a fine particle compound containing an aluminosilicate compound and activated carbon particles, wherein the fine particle compound containing an aluminosilicate compound has a specific surface area of 300 m2/g or more and an average particle size of 10 to 200 μm and includes particles having a particle size of 10 μm or less in volume particle size distribution at 10 volume % or less, and the activated carbon particles have a mode diameter of 0.06 to 0.6 mm.

公开(公告)号：US20190291073A1

公开(公告)日：2019-09-26

申请号：US16301666

申请日：2017-04-26

申请人： KURARAY CO., LTD.

发明人： Tetsuya HANAMOTO ,  Mitsunori HITOMI ,  Yoshinari KOBASHI

IPC分类号： B01J20/20 ,  B01J20/28 ,  C01B32/30 ,  C02F1/28

摘要： The present invention relates to an activated carbon for organic compound removal in which the average pore diameter obtained from the following formula by using a BET specific surface area calculated by the nitrogen adsorption method and a pore volume calculated by the HK method is from 1.615 to 1.625 nm: D=4000×V/S (wherein, D represents an average pore diameter (nm), V represents a pore volume (mL/g), and S represents a specific surface area (m2/g)).

公开(公告)号：US20170341052A1

公开(公告)日：2017-11-30

申请号：US15527965

申请日：2015-11-10

申请人： KURARAY CO., LTD.

发明人： Hiroe YOSHINOBU ,  Tetsuya HANAMOTO

IPC分类号： B01J20/20 ,  B01J20/28 ,  B01D39/16 ,  C02F1/28

CPC分类号： B01J20/20 ,  B01D39/1607 ,  B01D39/163 ,  B01D39/1646 ,  B01D39/2062 ,  B01D2239/086 ,  B01D2239/1241 ,  B01D2239/125 ,  B01D2257/2064 ,  B01D2257/70 ,  B01D2257/90 ,  B01J20/28004 ,  B01J20/28023 ,  B01J20/2803 ,  C01B32/30 ,  C01P2004/51 ,  C02F1/283 ,  C02F1/288 ,  C02F2101/322 ,  C02F2201/006 ,  C02F2303/02 ,  C02F2303/18

摘要： The present invention relates to an adsorption filter including activated carbon and a fibrillated fibrous binder, in which the activated carbon has a 0% particle diameter (D0) of 10 μm or more in a volume-based cumulative particle-size distribution and has a 50% particle diameter (D50) of 90 to 200 μm in the volume-based cumulative particle-size distribution; the fibrillated fibrous binder has a CSF value of 10 to 150 mL; and the adsorption filter includes 4 to 8 parts by mass of the fibrillated fibrous binder relative to 100 parts by mass of the activated carbon.

公开(公告)号：US20230390731A1

公开(公告)日：2023-12-07

申请号：US18032608

申请日：2021-10-14

申请人： KURARAY CO., LTD.

发明人： Shuichi ISHIDA ,  Kiyoto OTSUKA ,  Tetsuya HANAMOTO ,  Hiroe YOSHINOBU

IPC分类号： B01J20/20 ,  B01J20/28 ,  B01J20/30 ,  C02F1/28

CPC分类号： B01J20/20 ,  B01J20/28066 ,  B01J20/28071 ,  B01J20/2808 ,  B01J20/28011 ,  B01J20/3078 ,  C02F1/286 ,  C02F2101/322

摘要： One aspect of the present invention relates to a carbonaceous material that has a benzene adsorption amount of 30 to 60%, a vitamin B12 adsorption amount of more than 50.0 mg/g, and a micropore volume of mesopores of 0.13 to 0.30 cm3/g as calculated from a nitrogen adsorption isotherm by a BJH method.

公开(公告)号：US20220242737A1

公开(公告)日：2022-08-04

申请号：US17605392

申请日：2020-04-22

申请人： KURARAY CO., LTD.

发明人： Shuichi ISHIDA ,  Tetsuya HANAMOTO ,  Hiroe YOSHINOBU

IPC分类号： C01B32/30 ,  C01B32/336 ,  C02F1/28 ,  B01D39/20 ,  B01J20/20 ,  B01J20/28 ,  B01J20/30

摘要： One aspect of the present invention relates to a carbonaceous material which has a benzene adsorption of 25 to 40% and a vitamin B12 adsorption of 13.0 to 50.0 mg/g, while having a pore volume of mesopores of 0.070 to 0.150 cm3/g as calculated from a nitrogen adsorption isotherm by means of a BJH method.