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    HYDROPHILIZED CURABLE SILICONE IMPRESSION MATERIALS WITH IMPROVED STORAGE BEHAVIOR
    1.
    发明申请
    HYDROPHILIZED CURABLE SILICONE IMPRESSION MATERIALS WITH IMPROVED STORAGE BEHAVIOR 有权
    具有改进的存储行为的可凝固的硅胶渗透材料

    公开(公告)号：US20130041066A1

    公开(公告)日：2013-02-14

    申请号：US13653774

    申请日：2012-10-17

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Joachim Wilhelm Zech ,  Rainer Guggenberger ,  Henning Hoffmann

    IPC: A61K6/10

    CPC classification number: A61K6/10 ,  C08L51/085

    Abstract: The invention relates to hydrophilized curable silicone compositions which contain organopolysiloxanes, hydrophilizers and at least one stabilizing phosphorous compound. The compositions are particularly suitable as curable impression materials in dental applications, especially as wash impression materials.

    Abstract translation: 本发明涉及含有有机聚硅氧烷，亲水剂和至少一种稳定磷化合物的亲水化可固化硅氧烷组合物。 该组合物特别适合作为牙科应用中的可固化印模材料，特别是作为洗涤印模材料。

    Curable composition for dental retraction
    5.
    发明授权
    Curable composition for dental retraction 有权

    公开(公告)号：US11684553B2

    公开(公告)日：2023-06-27

    申请号：US16477702

    申请日：2018-01-15

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Henning Hoffmann ,  Peter Osswald ,  Joachim Zech

    IPC: A61K6/18 ,  A61C9/00 ,  C08L51/08 ,  C08L83/04 ,  A61K6/90 ,  A61K6/19

    CPC classification number: A61K6/18 ,  A61C9/0033 ,  A61K6/19 ,  A61K6/90 ,  C08L51/085 ,  C08L83/04 ,  A61K6/19 ,  C08L51/085 ,  A61K6/19 ,  C08L83/04 ,  A61K6/90 ,  C08L51/085 ,  A61K6/90 ,  C08L83/04

    Abstract: The invention relates to a curable composition for dental retraction comprising a resin matrix comprising at least one polyorganosiloxane with at least two olefinically unsaturated groups as component A1, at least one organohydrogenpolysiloxane as component A2, optionally at least one vinyl functional QM silicone component as component A3, at least one alkylsiloxane having at least one carbinol, silanol, or alkoxy moiety as component B, optionally surfactant(s) as component E, optionally additive(s) as component F, a filler system comprising filler(s) as component D, a catalyst system comprising addition cure catalyst component C-A suitable to cure components A1 and A2, condensation cure catalyst component C-B suitable to cure component B, the curable composition being provided as a kit of part comprising a Catalyst Part I and a Base Part II the Catalyst Part I comprising components C-A, C-B, A1, the Base Part II comprising components A2, A1, B, wherein each of components D, E and F and A3, if present, can be present either in the Catalyst Part I or the Base Part II or the Catalyst Part I and the Base Part II, and wherein component B is present in an amount of 6 wt. % or more with respect to the whole composition.

    Radiation-Curable Composition Containing Mercapto-Functional Polyorganosiloxanes for Additive-Manufacturing Technology
    6.
    发明申请
    Radiation-Curable Composition Containing Mercapto-Functional Polyorganosiloxanes for Additive-Manufacturing Technology 有权

    公开(公告)号：US20220112377A1

    公开(公告)日：2022-04-14

    申请号：US17310388

    申请日：2020-02-17

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Henning Hoffmann ,  Peter U. Osswald

    IPC: C08L83/08 ,  B33Y70/00 ,  B29C64/129

    Abstract: The invention relates to a radiation-curable silicone composition for additive-manufacturing technology comprising mercapto-functional polyorganosiloxane(s) as Component A, organosiloxane(s) with at least two aliphatic unsaturated carbon-carbon moieties as Component B, photo-initiator(s) as Component C for initiating a curing reaction between Component A and Component B, dye(s) as Component D dissolved in mercapto-functional polyorganosiloxane(s) as Component E, the mercapto-functional polyorganosiloxane(s) having a fraction of (mercaptoalkyl)methylsiloxane units of at least 50 mol %, wherein Component D is dissolved in Component E before Component D is combined with the other components of the radiation-curable silicone composition. The invention also relates to a process of producing a radiation-curable composition wherein the process comprises the steps of providing a solution of dye(s) in a composition comprising mercapto-functional polyorganosiloxane(s) having a fraction of (mercaptoalkyl)methylsiloxane units of at least 50 mol %, combining the solution containing the dye(s) dissolved in the mercapto-functional polyorganosiloxane(s) with mercapto-functional polyorganosiloxane(s), organosiloxane(s) with at least two aliphatic unsaturated carbon-carbon moieties, photo-initiator(s) for initiating a curing reaction between Component A and Component B, optionally filler(s), stabilizer(s) and additive(s).

    Kit of parts for conducting a dental impression and retraction process
    8.
    发明授权
    Kit of parts for conducting a dental impression and retraction process 有权

    公开(公告)号：US10682290B2

    公开(公告)日：2020-06-16

    申请号：US15574871

    申请日：2016-05-23

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Henning Hoffmann ,  Peter U. Osswald ,  Joachim W. Zech ,  Andreas R. Maurer

    IPC: A61K6/90 ,  A61K6/15 ,  A61K6/19 ,  C08L51/08 ,  C08L83/04

    Abstract: The present invention relates to a kit of parts comprising Paste (A), Paste (B) and Paste (C), the pastes being characterized as follows: Paste (A) comprising at least one polyorganosiloxane with at least two olefinically unsaturated groups, and at least one organohydrogenpolysiloxane, at least one alkylsiloxane having at least one carbinol, silanol, alkoxy, carboxyl or amino group, optionally filler(s) and optionally additive(s); Paste (B) comprising at least one polyorganosiloxane optionally with olefinically unsaturated groups, at least one addition cure catalyst, optionally at least one alkylsiloxane having at least one carbinol, silanol, alkoxy, carboxyl or amino group, optionally filler(s) and optionally additive(s) Paste (C) comprising a softener, a condensation cure catalyst, optionally filler(s), and optionally additive(s) optionally at least one polyorganosiloxane optionally with olefinically unsaturated groups. The invention is also directed to a system for storing and delivering Paste (A), Paste (B) and Paste (C), the system comprising three compartments for storing the respective pastes, means for delivering the respective pastes to an outlet orifice and an interface for receiving a mixing tip. The kit of parts or the system is in particular useful for conducting a dental retraction and dental impression process.

    Process of Taking a Dental Impression with a Radiation-curable Composition Containing Mercapto-Functional Polyorganosiloxanes and VQM Resins
    9.
    发明申请
    Process of Taking a Dental Impression with a Radiation-curable Composition Containing Mercapto-Functional Polyorganosiloxanes and VQM Resins 有权

    公开(公告)号：US20220226201A1

    公开(公告)日：2022-07-21

    申请号：US17595997

    申请日：2020-06-09

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Henning Hoffmann ,  Peter U. Osswald ,  Peter Bissinger ,  Joachim W. Zech

    IPC: A61K6/90 ,  A61C9/00

    Abstract: The invention relates to a process of taking a dental impression, the process comprising the steps of providing a radiation-curable dental impression composition, placing the radiation-curable dental impression composition in contact with dental tissue, applying radiation to the radiation-curable dental impression composition, letting the radiation-curable dental impression composition cure, removing the cured dental impression composition from the dental tissue, the radiation-curable dental impression composition comprising mercapto-functional polyorganosiloxane(s), VQM resin(s), photo-initiator(s) for initiating a curing reaction between, and optionally filler(s). The invention also relates to a cured dental impression obtained by radiation curing the radiation-curable dental impression composition, a kit of parts containing the radiation-curable dental impression composition and a dental impression tray filled with the radiation-curable dental impression composition.

    Process Of Processing A Radiation-Curable Thiolen Based Composition With Additive-Manufacturing Technology
    10.
    发明申请
    Process Of Processing A Radiation-Curable Thiolen Based Composition With Additive-Manufacturing Technology 有权

    公开(公告)号：US20210214504A1

    公开(公告)日：2021-07-15

    申请号：US17056189

    申请日：2019-05-20

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Henning Hoffmann ,  Peter U. Osswald ,  Joachim W. Zech

    IPC: C08G75/045 ,  C08F283/12 ,  A61C7/08 ,  B33Y70/00 ,  B33Y80/00

    Abstract: The invention relates to a process of processing a radiation-curable composition with an additive-manufacturing technique comprising a radiation-curing step, the radiation-curable composition comprising mercapto-functional Component A comprising at least three mercapto moieties, crosslinker Component B with at least three vinyl or allyl moieties, photo-initiator(s) Component C for initiating a curing reaction between Component A and Component B, wherein the radiation-curable composition does not comprise urethane (meth)acrylate oligomers in an amount of more than 4 wt. % with respect to the whole composition. 3-dim articles which can be produced are typically transparent and have adequate mechanical properties. The radiation-curable composition is in particular useful for producing clear-tray aligners for dental and orthodontic purposes.

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