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    PROCESS FOR PRODUCING POLYETHER
    1.
    发明公开
    PROCESS FOR PRODUCING POLYETHER 有权
    用于生产聚醚

    公开(公告)号：EP1057845A4

    公开(公告)日：2001-08-08

    申请号：EP99905212

    申请日：1999-02-17

    Applicant: KAO CORP

    Inventor： MIYANAGA SEIICHI ,  KAWAMUKAI HIROSHI ,  ODA TAKASHI

    IPC: C08G65/10 ,  C08G65/22 ,  C08G65/26 ,  C08G65/04

    CPC classification number: A61Q19/00 ,  A61K8/86 ,  A61K2800/48 ,  C08G65/10 ,  C08G65/22 ,  C08G65/226 ,  C08G65/266

    Abstract: A process by which a substituted epoxide whose polymerization to a high degree has been extremely difficult or impossible is easily polymerized to efficiently obtain a polyether having a high degree of polymerization. The process comprises polymerizing a substituted epoxide (excluding propylene oxide and epihalohydrins) by ring-opening polymerization in the presence of a rare earth metal compound represented by formula (I) and a reducing compound to obtain a polyether. In said formula, M represents a rare earth element selected among Sc, Y, and lanthanide metals, and L?1, L2 and L3¿ each represents a ligand combining with oxygen.

    3.
    发明专利
    未知

    公开(公告)号：DE69800050T2

    公开(公告)日：2000-05-25

    申请号：DE69800050

    申请日：1998-03-06

    Applicant: KAO CORP

    Inventor： TAKIGUCHI OSAMU ,  RINTO KATSUHIKO ,  ODA TAKASHI ,  PESCH FERDINAND ,  II ATSUHIKO ,  CAJAN CHRISTINE ,  WEICHAUS DIRK

    IPC: A61K8/898 ,  A61Q5/06 ,  A61Q5/12 ,  C08G77/42 ,  C08G77/452 ,  A61K7/06

    Abstract: Organopolysiloxanes composed of an organopolysiloxane segment and a poly(N-acylalkyleneimine) segment which is bonded to at least one silicone atom of said organopolysiloxane segment via an alkylene group containing heteroatom(s) and which consists of repeating units represented by formula (1): wherein R represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and n is a number of 2 or 3; wherein the weight ratio of the organopolysiloxane segment (a) to the poly(N-acylalkyleneimine) segment (b) Ä(a)/(b)Ü is at least 5/95 and less than 40/60, and the weight-average molecular weight is from 10,000 to 500,000. These organopolysiloxanes are soluble or dispersible in water and can form a film with an excellent texture. Thus, they can be appropriately employed as additives for cosmetic products.

    5.
    发明专利
    未知

    公开(公告)号：DE69800050D1

    公开(公告)日：2000-01-20

    申请号：DE69800050

    申请日：1998-03-06

    Applicant: KAO CORP

    Inventor： TAKIGUCHI OSAMU ,  RINTO KATSUHIKO ,  ODA TAKASHI ,  PESCH FERDINAND ,  II ATSUHIKO ,  CAJAN CHRISTINE ,  WEICHAUS DIRK

    IPC: A61K8/898 ,  A61Q5/06 ,  A61Q5/12 ,  C08G77/42 ,  C08G77/452 ,  A61K7/06

    Abstract: Organopolysiloxanes composed of an organopolysiloxane segment and a poly(N-acylalkyleneimine) segment which is bonded to at least one silicone atom of said organopolysiloxane segment via an alkylene group containing heteroatom(s) and which consists of repeating units represented by formula (1): wherein R represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and n is a number of 2 or 3; wherein the weight ratio of the organopolysiloxane segment (a) to the poly(N-acylalkyleneimine) segment (b) Ä(a)/(b)Ü is at least 5/95 and less than 40/60, and the weight-average molecular weight is from 10,000 to 500,000. These organopolysiloxanes are soluble or dispersible in water and can form a film with an excellent texture. Thus, they can be appropriately employed as additives for cosmetic products.

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