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公开(公告)号：US11872292B2
公开(公告)日：2024-01-16
申请号：US16334676
申请日：2017-09-12
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joachim W. Zech , Hendrik Grupp
Abstract: The invention relates to a curable composition comprising a resin matrix, the resin matrix comprising cationically curable components (A) and radiation curable components (B), a curing system, the curing system comprising a starter (A-S) suitable for curing the cationically curable components (A) and a photo-initiator (B-I), the curable composition being provided as a Base Part and Catalyst Part being separated before use, wherein the Base Part comprises components (A) and (B) and wherein the Catalyst Part comprises components (A-S) and (B-I). The composition can be used for taking a dental impression including the subgingival parts.
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公开(公告)号：US10729622B2
公开(公告)日：2020-08-04
申请号：US15574766
申请日：2016-05-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Andreas R. Maurer , Joachim W. Zech , Christoph Schulte , Peter U. Osswald , Rudolf Schmid , Hendrik Grupp , Marc Peuker , Helmut Pauser , Manfred Harre , Andreas J. Boehm
Abstract: A process for taking a dental impression and/or conducting a dental retraction. The process includes the steps of: (a) providing a composition (A) having the consistency (a1), composition (A) including curable components, and a catalyst suitable to initiate or catalyze the curing of the curable components, composition (A) being contained in a device, (b) applying a portion (I) of composition (A) with a consistency (a2) into the sulcus of a tooth, (c) applying a portion (II) of composition (A) with a consistency (a1) in contact with composition (A) applied in step (b), (d) removing portion (I) together with portion (II) of composition (A) from the surface of the tooth, consistency (a2) being higher than consistency (a1).
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公开(公告)号：US11597830B2
公开(公告)日：2023-03-07
申请号：US16624806
申请日：2018-05-21
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joachim Zech , Hendrik Grupp , Malte Korten , Ralf Paehl , Dietmar Blees , Gioacchino Raia
IPC: C08F20/10 , C08F120/10 , C08F220/10 , C08F2/46 , C08F2/50 , C08G61/04 , C08L33/10 , B33Y70/00 , A61K6/90 , B33Y10/00 , B33Y80/00 , C08K5/00
Abstract: The invention relates to a radiation curable composition for additive-manufacturing processes, the composition comprising (meth)acrylate component(s) not comprising an urethane moiety having a molecular weight Mw of at least 1,000 as Component A1, photo initiator as Component B, red, yellow or orange dye or combination thereof as Component C, blue dye having a light absorption band in the range of 350 to 420 nm as Component D, and optionally stabilizer as Component E. The invention further relates to a process of producing an elastomeric 3-dim article from the radiation curable composition in an additive-manufacturing process and the obtained elastomeric 3-dim article.
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4.发明申请公开(公告)号：US20180200156A1
公开(公告)日：2018-07-19
申请号：US15741812
申请日：2016-06-30
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joachim Zech , Hendrik Grupp , Christoph Schulte , Andreas R. Maurer , Peter U. Osswald
Abstract: The invention relates to a kit of parts comprising a Base Paste (B) and a Catalyst Paste (C), Base Paste (B) comprising a cationically hardenable component, Catalyst Paste (C) comprising a starter component suitable to contribute to the hardening of the cationically hardenable compound, the composition obtained when combining the compositions of Base Paste (B) and Catalyst Paste (C) comprising in addition a porous water-adsorbing component and water, the porous water-adsorbing component being selected from molecular sieves, zeolites, silica gel and mixtures thereof, wherein either the porous water-adsorbing component is present in Base Paste (B) and the water is present in Catalyst Paste (C), or the water-adsorbing component is present in Catalyst Paste (C) and the water is present in Base Paste (B). The invention also relates to a dental retraction composition obtainable by mixing Base Paste (B) and Catalyst Paste (C) and to a process of taking a dental impression and/or conducting a dental retraction using the kit of parts.
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公开(公告)号：US20240285476A1
公开(公告)日：2024-08-29
申请号：US18560794
申请日：2022-05-09
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joachim W. Zech , Peter U. Osswald , Peter Bissinger , Markus Mikulla , Bernd Kuppermann , Hendrik Grupp , Henning Hoffmann , Andrea Hailand
Abstract: The invention relates to a dental composition provided as a kit of parts comprising a base paste and an initiator paste, the base paste comprising, a cationically curable pre-polymer comprising a backbone and at least two aziridine moieties, filler, the initiator paste comprising an initiator being able to start the hardening of the polyether pre-polymer, filler, optionally diluent, the base paste or the initiator paste or the base paste and the initiator paste comprising in addition an isosorbide component. The invention also relates to a process of taking an impression of dental tissue.
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Patent Agency Ranking
6.发明授权公开(公告)号：US10952933B2
公开(公告)日：2021-03-23
申请号：US15741812
申请日：2016-06-30
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joachim Zech , Hendrik Grupp , Christoph Schulte , Andreas R. Maurer , Peter U. Osswald
Abstract: The invention relates to a kit of parts comprising a Base Paste (B) and a Catalyst Paste (C), Base Paste (B) comprising a cationically hardenable component, Catalyst Paste (C) comprising a starter component suitable to contribute to the hardening of the cationically hardenable compound, the composition obtained when combining the compositions of Base Paste (B) and Catalyst Paste (C) comprising in addition a porous water-adsorbing component and water, the porous water-adsorbing component being selected from molecular sieves, zeolites, silica gel and mixtures thereof, wherein either the porous water-adsorbing component is present in Base Paste (B) and the water is present in Catalyst Paste (C), or the water-adsorbing component is present in Catalyst Paste (C) and the water is present in Base Paste (B). The invention also relates to a dental retraction composition obtainable by mixing Base Paste (B) and Catalyst Paste (C) and to a process of taking a dental impression and/or conducting a dental retraction using the kit of parts.
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公开(公告)号：US10751262B2
公开(公告)日：2020-08-25
申请号：US15533293
申请日：2015-12-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Andreas R. Maurer , Hendrik Grupp , Joachim W. Zech , Arne Thaler , Kai H. Lochhaas , Klaus Hintzer , Christoph Schulte
Abstract: The invention relates to a curable dental composition comprising a cationically hardenable compound (A) comprising at least two aziridine moieties, a starter (B) being suitable to cure the hardenable compound (A), polymeric particles as filler component (C), the polymeric particles having a maximum particle size of 150 μm or below and the component(s) the polymeric particles are made of being based on fluoropolymers comprising more than 99% monomer repeating units of tetra fluoro ethylene. The invention also relates to the use of such composition for producing a dental impression material or a dental retraction material.
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公开(公告)号：US20190380917A1
公开(公告)日：2019-12-19
申请号：US16334676
申请日：2017-09-12
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Joachim W. Zech , Hendrik Grupp
Abstract: The invention relates to a curable composition comprising a resin matrix, the resin matrix comprising cationically curable components (A) and radiation curable components (B), a curing system, the curing system comprising a starter (A-S) suitable for curing the cationically curable components (A) and a photo-initiator (B-I), the curable composition being provided as a Base Part and Catalyst Part being separated before use, wherein the Base Part comprises components (A) and (B) and wherein the Catalyst Part comprises components (A-S) and (B-I). The composition can be used for taking a dental impression including the subgingival parts.
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9.发明申请公开(公告)号：US20180221248A1
公开(公告)日：2018-08-09
申请号：US15574766
申请日：2016-05-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Andreas R. Maurer , Joachim W. Zech , Christoph Schulte , Peter U. Osswald , Rudolf Schmid , Hendrik Grupp , Marc Peuker , Helmut Pauser , Manfred Harre , Andreas J. Boehm
Abstract: The invention is directed to a process for taking a dental impression and/or conducting a dental retraction, the process comprising the steps of (a) providing a composition (A) having the consistency (a1), composition (A) comprising curable components, and a catalyst suitable to initiate or catalyze the curing of the curable components, composition (A) being contained in a device, (b) applying a portion (I) of composition (A) with a consistency (a2) into the sulcus of a tooth, (c) applying a portion (II) of composition (A) with a consistency (a1) in contact with composition (A) applied in step (b), (d) removing portion (I) together with portion (II) of composition (A) from the surface of the tooth, consistency (a2) being higher than consistency (a1).
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10.发明申请公开(公告)号：US20170326038A1
公开(公告)日：2017-11-16
申请号：US15533293
申请日：2015-12-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Andreas R. Maurer , Hendrik Grupp , Joachim W. Zech , Arne Thaler , Kai H. Lochhaas , Klaus Hintzer , Christoph Schulte
Abstract: The invention relates to a curable dental composition comprising a cationically hardenable compound (A) comprising at least two aziridine moieties, a starter (B) being suitable to cure the hardenable compound (A), polymeric particles as filler component (C), the polymeric particles having a maximum particle size of 150 μm or below and the component(s) the polymeric particles are made of being based on fluoropolymers comprising more than 99% monomer repeating units of tetra fluoro ethylene. The invention also relates to the use of such composition for producing a dental impression material or a dental retraction material.
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