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公开(公告)号：US11312100B2
公开(公告)日：2022-04-26
申请号：US16066903
申请日：2016-12-22
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Jeffrey L. Solomon , Saswata Chakraborty , Robert J. Devoe , Wayne S. Mahoney , Eric W. Nelson , Kundapur Raveesh Shenoy
IPC: B32B3/30 , B32B7/12 , B32B27/08 , B32B27/30 , B32B27/36 , B32B27/38 , B32B7/05 , G02B5/02 , B32B27/00 , B29D11/00 , B32B7/14 , B32B27/32 , B32B27/40 , B32B27/28 , B32B37/14 , G02F1/1335
Abstract: Article comprising a first microstructured layer comprising a first material, and having first and second opposed major surfaces, the first major surface being a microstructured surface, and the microstructured surface having peaks and valleys, wherein the peaks are microstructural features each having a height defined by the distance between the peak of the respective microstructural feature and an adjacent valley; and a second layer comprising an adhesive material, and having a first and second opposed major surfaces, the adhesive material comprising a reaction product of a mixture comprising (meth)acrylate and epoxy in the presence of each other, wherein at least a portion of the second major surface of the second layer is directly attached to at least a portion of the first major microstructured surface of the first layer.
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公开(公告)号：US20220056258A1
公开(公告)日：2022-02-24
申请号：US17287603
申请日：2019-10-31
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Thomas P. Klun , Richard J. Pokorny , Chad M. Amb , Benjamin R. Coonce , Tianyu Wu , Saswata Chakraborty , Yongshang Lu , Benjamin C. Mac Murray , Robert S. Clough , Ahmed S. Abuelyaman , John M. Riedesel
IPC: C08L51/08 , C08L75/16 , A61K6/90 , A61C7/08 , B33Y80/00 , B33Y10/00 , B33Y30/00 , B29C64/135 , B33Y70/00
Abstract: In one embodiment, an orthodontic article is described comprising the reaction product of a polymerizable composition comprising: a) 30-70 parts by weight of monofunctional (meth)acrylate monomer, wherein a cured homopolymer of at least one monofunctional (meth)acrylate monomer has a Tg of at least 30, 35, 40, 45, 50, 55, or 60° C.; and b) urethane (meth)acrylate polymer comprising polymerized units of an aliphatic polyester diol. Also described are polymerizable compositions, as well as methods and systems for making an article utilizing 3D printing.
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公开(公告)号：US11149194B2
公开(公告)日：2021-10-19
申请号：US16318884
申请日：2017-07-18
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Carl A. Laskowski , Saswata Chakraborty , Wayne S. Mahoney , Guy D. Joly , Michael C. Palazzotto
IPC: C09K11/02 , C08F230/02 , C08F297/02 , C08G77/04 , C08L83/10 , C09K11/70 , G02F1/133 , C08G77/442 , G02F1/13357 , C08G77/14 , C08F212/14 , G02F1/1335
Abstract: The present disclosure provides a composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a stabilizing homo- or copolymer combined with the core/shell nanoparticle, the stabilizing (co)polymer comprising styrene monomer units and functionalized with phosphine, arsine or stibine groups.
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公开(公告)号：US10829686B2
公开(公告)日：2020-11-10
申请号：US16090514
申请日：2017-03-23
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Paul B. Armstrong , Saswata Chakraborty , Michael C. Palazzotto , Guy D. Joly
Abstract: Disclosed are quantum dots and quantum dot articles stabilized by a stabilizing agent of the formula: wherein each R1 is a hydrocarbyl group including alkyl, aryl, alkaryl and aralkyl; R2 is a divalent hydrocarbyl group selected from alkylene, arylene, alkarylene and aralkylene; Z is P, As or Sb; Q is —CH2—S—, —CH2—O—, —CO2—, —CH2—O—CO—, —CONR3—, —NH—CO—NR3—, and —NR3, where R3 is H or C1-C4 alkyl, subscript x is 1, R6 is a divalent hydrocarbyl group selected from alkylene, arylene, alkarylene and aralkylene, subscript y is 0 or 1, Rf is a perfluoroether group.
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15.发明申请公开(公告)号：US20200216697A1
公开(公告)日：2020-07-09
申请号：US16631201
申请日：2018-07-23
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Evan L. Schwartz , Claire Hartmann-Thompson , Sonja S. Mackey , Wayne S. Mahoney , Saswata Chakraborty , Kelly A. Volp
Abstract: Curable ink compositions include a curable aromatic monomer composition, and surface treated metal oxide nanoparticles. The surface treated metal oxide nanoparticles are surface treated with a mixture of at least two silane-functional surface treatment agents, at least one aromatic-containing silane-functional surface treatment agent and at least one silane-functional surface treatment agent comprising a co-polymerizable group. The curable ink composition is inkjet printable, having a viscosity of 30 centipoise or less at a temperature of from room temperature to 60° C., and is free from solvents. The curable ink composition, when printed and cured, has a refractive index of 1.55 or greater, and is optically clear.
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Patent Agency Ranking
16.发明授权公开(公告)号：US11904031B2
公开(公告)日：2024-02-20
申请号：US16754186
申请日：2018-11-20
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Saswata Chakraborty , Benjamin C. MacMurray , Eric W. Nelson , Thomas P. Klun , Richard J. Pokorny , Wayne S. Mahoney , Chad M. Amb , George W. Griesgraber , Dana R. Reed , Ahmed S. Abuelyaman , Robert S. Clough , James D. Hansen , Daniel J. Skamser , Ian Dailey , John M. Riedesel
IPC: A61K6/62 , A61C7/08 , A61C7/00 , A61K6/893 , C08L75/14 , B33Y70/00 , B33Y80/00 , B33Y10/00 , B29C64/124
CPC classification number: A61K6/62 , A61C7/002 , A61C7/08 , A61K6/893 , B29C64/124 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C08L75/14
Abstract: An orthodontic article is described comprising the reaction product of a free-radically polymerizable resin; a first free-radical photoinitiator having sufficient absorbance at a first wavelength range; and a second free-radical initiator selected from a second photoinitiator having sufficient absorbance at a second wavelength range, wherein the second wavelength range is different than the first wavelength range, or a thermal free-radical initiator. In some embodiments, the first free-radical photoinitiator exhibits a maximum absorbance at a wavelength of the range of 370-380 nm or 320-330 nm and/or comprises photoinitiator groups selected from acyl phosphine oxide or alkyl amine acetophenone. Also described are photopolymerizable compositions and methods.
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公开(公告)号：US11708428B2
公开(公告)日：2023-07-25
申请号：US17344096
申请日：2021-06-10
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Thomas P. Klun , Zeba Parkar , John M. Riedesel , Richard J. Pokorny , Chad M. Amb , Benjamin R. Coonce , Robert S. Clough , Tianyu Wu , Saswata Chakraborty , Yongshang Lu , Benjamin C. MacMurray
IPC: C08F2/46 , C08F2/50 , C08G61/04 , B33Y10/00 , B33Y30/00 , B33Y70/00 , B29C64/129 , C08F2/44 , C08F220/18 , C08F290/06 , C08G18/44 , C08G18/67 , C08K5/00 , C08K5/3437
CPC classification number: C08F2/50 , B29C64/129 , B33Y10/00 , B33Y30/00 , B33Y70/00 , C08F2/44 , C08F220/18 , C08F290/06 , C08G18/44 , C08G18/672 , C08K5/0041 , C08K5/3437
Abstract: The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes a) 40-60 parts by weight of a monofunctional (meth)acrylate monomer, per 100 parts of the total photopolymerizable composition; b) a photoinitiator; and c) a polymerization reaction product of components. A cured homopolymer of the monofunctional (meth)acrylate monomer has a glass transition temperature of 125 degrees Celsius or greater. The polymerization reaction product of components includes i) a diisocyanate; ii) a hydroxy functional methacrylate; iii) a polycarbonate diol; and iv) a catalyst. The polymerization reaction product includes a polyurethane methacrylate polymer. Often, the polyurethane methacrylate polymer has a weight average molecular weight of 8,000 g/mol or greater. The present disclosure further provides an article and methods thereof.
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18.发明授权公开(公告)号：US11667803B2
公开(公告)日：2023-06-06
申请号：US16631201
申请日：2018-07-23
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Evan L. Schwartz , Claire Hartmann-Thompson , Sonja S. Mackey , Wayne S. Mahoney , Saswata Chakraborty , Kelly A. Volp
CPC classification number: C09D11/38 , C08K3/22 , C08K9/06 , C08L71/02 , G02B1/111 , C08K2003/2241 , C08K2201/011
Abstract: Curable ink compositions include a curable aromatic monomer composition, and surface treated metal oxide nanoparticles. The surface treated metal oxide nanoparticles are surface treated with a mixture of at least two silane-functional surface treatment agents, at least one aromatic-containing silane-functional surface treatment agent and at least one silane-functional surface treatment agent comprising a co-polymerizable group. The curable ink composition is inkjet printable, having a viscosity of 30 centipoise or less at a temperature of from room temperature to 60° C., and is free from solvents. The curable ink composition, when printed and cured, has a refractive index of 1.55 or greater, and is optically clear.
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19.发明授权公开(公告)号：US11643494B2
公开(公告)日：2023-05-09
申请号：US17258231
申请日：2019-07-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Vasav Sahni , Saswata Chakraborty , Wayne S. Mahoney , Jason D. Clapper , Jacob P. Johnson , Ying Zhang , Albert I. Everaerts , Bryan V. Hunt , Richard B. Ross
IPC: C08F255/10 , C08L23/22 , C09J123/22 , C09J153/02
CPC classification number: C08F255/10 , C08L23/22 , C09J123/22 , C09J153/025 , C08L2205/03
Abstract: A composition is described comprising a styrene-isobutylene block copolymer; and at least one ethylenically unsaturated monomer. After curing the composition comprises polymerized units of the ethylenically unsaturated monomer. In some embodiments the ethylenically unsaturated groups are selected from (meth)acryl or vinyl ether. The composition is suitable for use as a (e.g. pressure sensitive) adhesive. Articles, methods of making an article, and methods of bonding are also described.
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公开(公告)号：US20220242991A1
公开(公告)日：2022-08-04
申请号：US17605289
申请日：2020-05-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Thomas P. Klun , Chad M. Amb , Richard J. Pokorny , Saswata Chakraborty , Benjamin C. Mac Murray , Tianyu Wu , Ahmed S. Abuelyaman , Yongshang Lu , Daniel J. Skamser , Karl J.L. Geisler , John M. Riedesel
IPC: C08F290/06 , A61C7/08 , B33Y10/00 , B33Y70/00 , B33Y80/00 , B29C64/124
Abstract: Polymerizable compositions suitable for use for 3D printed (e.g. orthodontic) articles, especially orthodontic alignment trays, are described. The polymerizable composition comprises a) 30-70 parts by weight of (meth)acrylate monomer(s); and b) urethane (meth)acrylate polymer; wherein the reaction product comprises at least 1 wt. % polymerized units of a multifunctional compound comprising pendent cyclic moieties. The orthodontic article comprises the reaction product of a polymerizable composition as described herein. The urethane (meth)acrylate polymer typically comprises polymerized units of a multifunctional compound comprising pendent cyclic moieties and/or at least one (meth)acrylate monomer comprises polymerized units of a multifunctional compound comprising pendent cyclic moieties. Also described are methods of making an article, non-transitory machine-readable medium comprising data representing a three-dimensional model of an article, and systems.
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