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    Capsule, production method therefor, and viscosity-variable fluid
    3.
    发明专利
    Capsule, production method therefor, and viscosity-variable fluid 未知

    公开(公告)号：AU2016301585A1

    公开(公告)日：2018-02-15

    申请号：AU2016301585

    申请日：2016-07-29

    Applicant: ADEKA CORP

    Inventor： HONMA MASATOSHI ,  NODA KAZUYUKI ,  SHINANO HIROKATSU ,  AKIMOTO KENSAKU ,  SAWAMOTO DAISUKE

    IPC: E21B43/26

    Abstract: A capsule comprising a center section and an outer shell section 2 covering the surface of this center section. The center section includes a viscosity-reducing material that reduces the viscosity of a fluid used for hydraulic fracturing. The outer shell section 2 includes a plurality of particulate matter 3 and a holding material that holds the plurality of particulate matter 3 and is capable of sustained release of the center section in the fluid. In the outer shell section 2, the plurality of particulate matter 3 is distributed such that the content amount has at least one maximum in directions away from the center section.

    5.
    发明专利
    未知

    公开(公告)号：DE602005019888D1

    公开(公告)日：2010-04-22

    申请号：DE602005019888

    申请日：2005-08-03

    Applicant: ADEKA CORP

    Inventor： AKUTSU MITSUO ,  SAWAMOTO DAISUKE ,  KOZAKI YASUNORI ,  MURAI TOSHIHIKO

    IPC: C07D405/12 ,  C07D409/12 ,  C07D421/12 ,  C08F2/50

    Abstract: The oxime ester compound of the present invention is represented by general formula (I) below and useful as a photopolymerization initiator. The photopolymerization initiator comprising the oxime ester compound of the present invention as an active constituent has high sensitivity and causes no concern about coloration of the resultant polymerized material or contamination of the polymerized material or apparatuses. (In the formula, X represents a halogen atom or an alkyl group. R 1 , R 2 , and R 3 each independently represent R, OR, COR, SR, CONRR', or CN, wherein R and R' each represent an alkyl group, an aryl group, an aralkyl group, or a heterocyclic group; these groups may be substituted with (a) halogen atom(s) and/or (a) heterocyclic group(s); the alkylene moiety in the alkyl or aralkyl group may be interrupted by (an) unsaturated bond(s), (an) ether bond(s), (a) thioether bond(s), or (an) ester bond(s); and R and R' may bond together to form a ring. Y 1 represents an oxygen atom, a sulfur atom, or a selenium atom; A represents a heterocyclic group; m represents an integer of 0 to 4; p represents an integer of 0 to 5; and q represents 0 or 1.)

    ENCAPSULATED AGENT, METHOD OF MANUFACTURING ENCAPSULATED AGENT, AND VARIABLE VISCOSITY FLUID
    6.
    发明专利
    ENCAPSULATED AGENT, METHOD OF MANUFACTURING ENCAPSULATED AGENT, AND VARIABLE VISCOSITY FLUID 未知

    公开(公告)号：CA2992830A1

    公开(公告)日：2017-02-09

    申请号：CA2992830

    申请日：2016-07-29

    Applicant: ADEKA CORP

    Inventor： HOMMA MASATOSHI ,  NODA KAZUYUKI ,  SHINANO HIROKATSU ,  AKIMOTO KENSAKU ,  SAWAMOTO DAISUKE

    IPC: E21B43/26

    Abstract: A capsule comprising a center section and an outer shell section 2 covering the surface of this center section. The center section includes a viscosity-reducing material that reduces the viscosity of a fluid used for hydraulic fracturing. The outer shell section 2 includes a plurality of particulate matter 3 and a holding material that holds the plurality of particulate matter 3 and is capable of sustained release of the center section in the fluid. In the outer shell section 2, the plurality of particulate matter 3 is distributed such that the content amount has at least one maximum in directions away from the center section.

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