公开(公告)号：US20210380633A1

公开(公告)日：2021-12-09

申请号：US17409692

申请日：2021-08-23

申请人： FUJIFILM CORPORATION

发明人： Yosuke YAMAMOTO ,  Kazuhei KANEKO ,  Motomasa TAKAHASHI ,  Makoto TAKAHASHI ,  Mika IMAMURA ,  Hirotaka SATOU ,  Hirofumi OMURA ,  Yuji YOSHIMITSU ,  Keita TANAKA ,  Daisuke NAKAGAWA

IPC分类号： C07K1/06 ,  C07K1/02

摘要： Provided are a method for producing a peptide compound including a step of using an aromatic heterocyclic compound represented by Formula (1) represented by Formula (1); a protective group-forming reagent including the compound; and the compound. In Formula (1), a ring A represents an aromatic heterocyclic ring, YA's each independently represent —OH, —NHR, —SH, or —X0, where X0 represents Cl, Br, or I, RA and RC each independently represent an aliphatic hydrocarbon group or an organic group having an aliphatic hydrocarbon group, RBs' each independently represent a monovalent aliphatic hydrocarbon group, a (1+c)-valent aromatic group, or a (1+c)-valent heteroaromatic group, where, in a case where both a and c is 0, RB is a monovalent aliphatic hydrocarbon group, and the number of carbon atoms in at least one aliphatic hydrocarbon group of RA, RB, or RC is 12 or more.

公开(公告)号：US20170092316A1

公开(公告)日：2017-03-30

申请号：US15280165

申请日：2016-09-29

申请人： FUJIFILM Corporation

发明人： Mika IMAMURA ,  Toshihide AOSHIMA ,  Isamu WATANABE

IPC分类号： G11B5/842 ,  G11B5/702 ,  G11B5/706 ,  G11B5/70 ,  H01F1/44 ,  H01F1/03

CPC分类号： G11B5/842 ,  G11B5/7013 ,  G11B5/7021 ,  G11B5/70605 ,  G11B5/7085 ,  H01F1/0315 ,  H01F1/445

摘要： The metal oxide particle dispersion for manufacturing a particulate magnetic recording medium contains metal oxide particles, solvent, and a polyester compound having one or more groups selected from the group consisting of a carboxyl group and a salt thereof, a phosphoric acid group and a salt thereof, a hydroxyl group and a nitrogen-substituted alkylene group, but substantially not containing ferromagnetic powder.

公开(公告)号：US20170287518A1

公开(公告)日：2017-10-05

申请号：US15474504

申请日：2017-03-30

申请人： FUJIFILM Corporation

发明人： Toshihide AOSHIMA ,  Mika IMAMURA ,  Shinji TSUJIMOTO

IPC分类号： G11B5/71 ,  C08K3/22 ,  G11B5/702 ,  C08K5/101

CPC分类号： G11B5/71 ,  C08K3/22 ,  C08K5/101 ,  C08K2003/2272 ,  G11B5/7021 ,  G11B5/7023 ,  G11B5/714

摘要： The magnetic recording medium contains, in a magnetic layer, a fatty acid ester and a polyester resin having a number average molecular weight of greater than or equal to 1,000 but less than 20,000, and containing a structural unit derived from a polyvalent carboxylic acid and a structural unit derived from a polyol, as well as 10 mol % to 50 mol % of a structural unit, derived from a cyclic polyvalent carboxylic acid selected from the group consisting of an alicyclic polyvalent carboxylic acid and an aromatic polyvalent carboxylic acid, per 100 mol % of a combined total of the above structural units, and one or more partial structures selected from the group consisting of the following partial structures: wherein each of L1 and L2 independently denotes a divalent connecting group, and each of Z1 and Z2 independently denotes a monovalent group denoted by —OM or a monovalent group denoted by —O−A+.

公开(公告)号：US20210380634A1

公开(公告)日：2021-12-09

申请号：US17408474

申请日：2021-08-22

申请人： FUJIFILM CORPORATION

发明人： Yosuke YAMAMOTO ,  Kazuhei KANEKO ,  Motomasa TAKAHASHI ,  Makoto TAKAHASHI ,  Mika IMAMURA ,  Hirotaka SATOU ,  Hirofumi OMURA ,  Yuji YOSHIMITSU ,  Daisuke NAKAGAWA ,  Keita TANAKA

IPC分类号： C07K1/06 ,  C07C43/23

摘要： Provided are a method for producing a peptide compound including a step of using a condensed polycyclic aromatic hydrocarbon compound represented by Formula (1); a protective group-forming reagent including the compound; and the compound. In Formula (1), a ring A represents a condensed polycyclic aromatic hydrocarbon ring, YA's each independently represent —CH2OH, —CH2NHR, —CH2SH, or —CH2X0, where R represents a hydrogen atom, an alkyl group, or an aralkyl group, and X0 represents Cl, Br, or I, k represents an integer of 1 to 5, n represents 1 or 2, and RA's each independently represent an aliphatic hydrocarbon group or an organic group having an aliphatic hydrocarbon group.

公开(公告)号：US20160284450A1

公开(公告)日：2016-09-29

申请号：US15079206

申请日：2016-03-24

申请人： FUJIFILM Corporation

发明人： Toshihide AOSHIMA ,  Reiko INUSHIMA ,  Mika IMAMURA ,  Tatsuo MIKAMI

IPC分类号： H01F1/03

CPC分类号： G11B5/7013 ,  G11B5/7028 ,  G11B5/714

摘要： The magnetic recording medium composition contains ferromagnetic powder, binder, and a crosslinkable component selected from the group consisting of a component capable of forming a crosslinking structure by a radical reaction, a component capable of forming a crosslinking structure by an ionic reaction, and a component capable of forming a crosslinking structure by a pericyclic reaction, wherein the crosslinkable component contains at least polyester, and the polyester has a weight average molecular weight ranging from 1,000 to 20,000, as well as contains, per molecule, one or more acidic groups, and one or more reactive groups selected from the group consisting of a radical reactive group, an ionic reactive group, and a pericyclic reactive group.

摘要翻译： 磁记录介质组合物含有铁磁性粉末，粘合剂和选自由能够通过自由基反应形成交联结构的组分，能够通过离子反应形成交联结构的组分的组分和可分离组分 能够通过周期性反应形成交联结构，其中所述可交联组分至少含有聚酯，所述聚酯的重均分子量为1,000至20,000，并且每分子含有一个或多个酸性基团，和 一个或多个选自自由基反应性基团，离子反应性基团和周期性反应性基团的反应性基团。