CYCLOCARBONATE GROUP-CONTAINING (METH)ACRYLATE MONOMER AND POLYMER

    公开(公告)号:US20230076090A1

    公开(公告)日:2023-03-09

    申请号:US17790330

    申请日:2020-01-23

    申请人: NOF CORPORATION

    摘要: (Object) When a cyclocarbonate group-containing (meth)acrylate monomer is applied for a polymer used as a paint or the like, it is to provide the cyclocarbonate group-containing (meth)acrylate monomer in which the increase of the viscosity over time is suppressed so that it can used stably for a long time. (Solution) It is provided a cyclocarbonate group-containing (meth)acrylate monomer (A) represented by a formula (1) as follows, wherein a content of di(meth)acrylate monomer (B) represented by a formula (2) as follows is 3 weight % or lower. (R1 represents hydrogen atom or methyl group, R2 represents an alkyl group having a number of carbons of 2 to 10, and X is 0 or 1.) (R3 represents hydrogen atom or methyl group, R4 represents an alkyl group having a number of carbons of 2 to 10, and X is 0 or 1.)

    DEWAXING AID
    2.
    发明申请

    公开(公告)号:US20230056638A1

    公开(公告)日:2023-02-23

    申请号:US17789744

    申请日:2021-01-12

    申请人: NOF CORPORATION

    摘要: The dewaxing aid of the present invention is a dewaxing aid including an ethylene-α-olefin copolymer (A) having a molar ratio [(a)/(b)] of (a) ethylene and (b) an α-olefin having 3 or more and 12 or less carbon atoms of 93/7 to 75/25, and having a weight average molecular weight of 10,000 to 500,000. According to the present invention, a dewaxing aid that is excellent in improving filterability can be provided.

    Biodegradable polyethylene glycol derivative having cyclic benzylidene acetal linker

    公开(公告)号:US11529423B2

    公开(公告)日:2022-12-20

    申请号:US16886056

    申请日:2020-05-28

    申请人: NOF CORPORATION

    IPC分类号: A61K47/60 C08G65/333

    摘要: A biodegradable polyethylene glycol derivative in which a polyethylene glycol chain is linked by an acetal linker capable of accurately controlling the hydrolysis rate under different pH environments in the living body, and whose division rate into a polyethylene glycol chain of low molecular weight in the living body can be accurately controlled. The biodegradable polyethylene glycol derivative is represented by formula (1) or formula (2) as described.

    HETEROBIFUNCTIONAL MONODISPERSED POLYETHYLENE GLYCOL HAVING PEPTIDE LINKER

    公开(公告)号:US20220362397A1

    公开(公告)日:2022-11-17

    申请号:US17762719

    申请日:2020-09-25

    申请人: NOF CORPORATION

    IPC分类号: A61K47/68 A61K47/60 C07K5/06

    摘要: A heterobifunctional monodisperse polyethylene glycol with two adjacent monodisperse polyethylene glycol side chains, in which a peptide linker is degraded by intracellular enzymes to release a drug slowly and effectively mask the hydrophobicity of the drug, and an antibody-drug conjugate in which the antibody and the drug are bound using same is provided. A heterobifunctional monodisperse polyethylene glycol represented by the formula (1): wherein each symbol in the formula (1) is as defined in the DESCRIPTION.

    ASYMMETRICALLY BRANCHED DEGRADABLE POLYETHYLENE GLYCOL DERIVATIVE

    公开(公告)号:US20220339290A1

    公开(公告)日:2022-10-27

    申请号:US17763516

    申请日:2020-09-25

    IPC分类号: A61K47/64 A61K47/60

    摘要: A branched degradable polyethylene glycol derivative with a high molecular weight that does not cause vacuolation of cells is provided. A branched degradable polyethylene glycol derivative represented by the following formula (1), containing, in a molecule, an oligopeptide that is degraded in the cells: wherein k1 and k2 are each independently 1-12, j1 and j2 are each independently 45-950, R is a hydrogen atom, a substituted or unsubstituted alkyl group having 1-12 carbon atoms, a substituted aryl group, an aralkyl group or a heteroalkyl group, Z is an oligopeptide that is degraded by enzyme in the cells, X is a functional group capable of reacting with a bio-related substance, and L1 and L2 are each independently a single bond or a divalent spacer.

    WAX DISPERSANT AND THERMOPLASTIC RESIN COMPOSITION

    公开(公告)号:US20220213242A1

    公开(公告)日:2022-07-07

    申请号:US17606872

    申请日:2020-07-07

    申请人: NOF CORPORATION

    摘要: An object is to provide a wax dispersant capable of improving the resin composition in the fluidity in a molten state, the transparency and the storage stability, when adding the wax to a thermoplastic resin. The wax dispersant is a copolymer (A) which has a copolymerization composition comprising structural units respectively derived from: an aromatic monomer (A1) within 40 to 94% by mass; a (meth)acrylic acid long chain alkyl ester (A2) represented by the formula (1) (an alcohol residue R2 is C9 to C22 alkyl) within 5 to 40% by mass; and a (meth)acrylic acid alkyl ester (A3) represented by the formula (2) (an alcohol residue R4 is C1 to C8 alkyl) within 1 to 20% by mass, and also has a weight average molecular weight within 3,000 to 50,000.

    Production method of polyoxyethylene derivative having plurality of hydroxyl groups at terminal

    公开(公告)号:US10947343B2

    公开(公告)日:2021-03-16

    申请号:US16492883

    申请日:2018-03-22

    申请人: NOF CORPORATION

    摘要: A method of producing a polyoxyethylene derivative (1): where L1 is a divalent linker, X is a functional group capable of reacting with a physiologically active substance, a is 1 or 2, and n is from 11 to 3,650. The method includes Step (A): protecting 4 or 6 hydroxyl groups in a polyhydric alcohol having 5 or 7 hydroxyl groups by cyclic benzylidene acetalization to obtain a compound having a hydroxyl group at a 1-position and a protective group of a cyclic benzylidene acetal structure; Step (B): polymerizing from 11 to 3,650 moles of ethylene oxide to the compound obtained in the step (A) to obtain a polyoxyethylene derivative; Step (C): converting the hydroxyl group at a terminal of the polyoxyethylene derivative to a functional group capable of reacting with a physiologically active substance; and Step (D): deprotecting the protective group of the polyoxyethylene derivative.