Patents Examined by Peter A Salamon
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Patent number: 11774636Abstract: The present invention relates to an optical material cutting blue light, comprising at least one UV absorber that at least partially blocks light having a wavelength ranging from 400 to 450 nm, at least one absorbing dye A having its maximum absorption wavelength in the range from 520 nm to 640 nm, the optical material being made of a material chosen from polythiourethane materials, polyurethane urea materials, materials resulting from the polymerization or copolymerization of polyepisulfide monomers or oligomers, and materials resulting from the polymerization or copolymerization of allylic monomers or oligomers, the optical material having a colorimetric coefficient b* as defined in the CIE (1976) L*a*b* international colorimetric system that is lower than or equal to 6, and a hue angle h higher than or equal to 120° and lower than or equal to 180°, for an optical material thickness of 2 mm.Type: GrantFiled: April 29, 2019Date of Patent: October 3, 2023Assignee: Essilor InternationalInventors: Pierre Fromentin, Armel Jimenez, Waranya Phompan
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Patent number: 11759547Abstract: Described herein are polymers and associated methods to occlude structures and malformations of the vasculature with polymers with delayed controlled rates of expansion. Methods of forming such devices are also disclosed.Type: GrantFiled: October 12, 2021Date of Patent: September 19, 2023Assignee: MicroVention, Inc.Inventor: Aaron Baldwin
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Patent number: 11759553Abstract: The present invention provides a dry powder that is suitable for use in forming a hydrogel and characterized by a stable composition at ambient conditions. The dry powder includes a prepolymer including a straight chain polyethylene glycol, and a thermally activated free radical initiator selected from the group consisting of sodium persulfate, potassium persulfate, and ammonium persulfate. The present invention also provides a method of forming the dry powder, and a method of preparing a hydrogel where a reaction mixture is formed including the dry powder and a buffered aqueous solution.Type: GrantFiled: September 27, 2021Date of Patent: September 19, 2023Assignee: Endologix LLCInventors: Donovan Prewett, Paolo Mendoza, Charles Bankert, Mehdi Durali
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Patent number: 11760843Abstract: The invention provides a nanomaterial of polyglycerol grafted cellulose nanocrystal dendrimer and a preparation method thereof. In the present invention, the cotton linter pulp is pulverized into flocculent fibers, fed to sulfuric acid, and reacted. After centrifugation, dialysis and ultrasonic cell disruption, cellulose nanocrystals are obtained. Carboxylated cellulose nanocrystals are further obtained after oxidation with TEMPO, dialysis, and freeze-drying. The carboxylated nanocrystals are further added to DMF, and under a nitrogen atmosphere, glycidol is grafted to the hydroxyl groups on the surface by heating with stirring. After the reaction is completed, the product is centrifuged, dried under vacuum, dialyzed, and freeze dried to obtain a nanomaterial of primary polyglycerol grafted cellulose nanocrystals.Type: GrantFiled: March 23, 2023Date of Patent: September 19, 2023Assignee: JIANGNAN UNIVERSITYInventors: Shuqin Xu, Jinghua Chen, Baoliang Mao
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Patent number: 11759404Abstract: A composite filler comprising thermally processed porous inorganic mixed particles of silica and at least one heteroparticle selected from the group consisting of zirconia, hafnia, or yttria and a polymer occupying the pores of the porous inorganic mixed particles, wherein the porous inorganic mixed particles are thermally processed at a temperature of from 650 to 900° C., as well as a dental restorative comprising a resin and a composite filler, and optionally other fillers, wherein said resin has a refractive index that increases upon curing, and wherein the opacities of the both uncured and cured restorative are less than 45.Type: GrantFiled: February 22, 2021Date of Patent: September 19, 2023Assignees: Kerr Corporation, Transparent Materials, LLCInventors: Joseph F. Bringley, Patrick M. Lambert, Weijie Huang
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Patent number: 11760830Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: GrantFiled: May 3, 2021Date of Patent: September 19, 2023Assignee: Hyalex Orthopaedics, Inc.Inventors: Lampros Kourtis, David Myung, Daniel Chang, Bing Yu, Timothy Sun, Michael J. Jaasma, Vernon Hartdegen
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Patent number: 11754753Abstract: A contact lens having antioxidant properties is described as well as methods of manufacturing the same. The contact lens can be present in a sealed contact lens package. The seal contact lens package can include at least a) a plastic base member having a cavity; b) a contact lens packaging solution in the cavity; c) a sterile, unworn contact lens immersed in the contact lens packaging solution in the cavity; and d) a cover that forms a liquid-tight seal with the plastic base member. As an example, the unworn contact lens is a silicone hydrogel contact lens having present therein vitamin E. The vitamin E is non-releasable from the unworn contact lens and the contact lens packaging solution has less than 1 ppm of vitamin E present. The vitamin E is trapped, embedded, absorbed, or non-covalently attached in the unworn contact lens.Type: GrantFiled: April 13, 2021Date of Patent: September 12, 2023Assignee: COOPERVISION INTERNATIONAL LIMITEDInventors: Inna Maltseva, Nancy J. Keir, Andrew Luk, Victoria Rogers
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Patent number: 11746217Abstract: A method for producing a rubber composition may include: mixing modified silica (B), pre-prepared by surface treatment of unmodified silica, with a modified conjugated diene-based polymer (A) and a polymer having crystalline character (C). A crosslinked product may be produced through crosslinking a rubber composition obtained from such a method. The crosslinked product may be used for producing a tire including a tread and a sidewall, wherein at least one of the tread and the sidewall is formed of the crosslinked product.Type: GrantFiled: January 28, 2022Date of Patent: September 5, 2023Assignee: ENEOS MATERIALS CORPORATIONInventors: Koichiro Tani, Naoki Sugiyama, Kunpei Kobayashi, Ryoji Tanaka
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Patent number: 11739216Abstract: The present disclosure describes protein-based resin compositions. In particular, the compositions employ methacrylated or acrylated protein, a strengthening agent, a plasticizer, and an initiator. The protein-based resin compositions may be used for making solid articles that are biodegradable and possess a high degree of tensile strength and water resistance. Methods of preparing the biodegradable protein-based plastic articles are also disclosed.Type: GrantFiled: December 4, 2020Date of Patent: August 29, 2023Assignee: NDSU RESEARCH FOUNDATIONInventors: Long Jiang, Qian Ma
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Patent number: 11730855Abstract: Compositions useful as bone fillers or dental composites are provided which may include a sterilizing agent.Type: GrantFiled: November 19, 2020Date of Patent: August 22, 2023Assignee: Servico Group OyInventors: Auvo Kaikkonen, Juha-Pekka Nuutinen, Andreas Posel
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Patent number: 11707346Abstract: The present invention provides a dental mill blank that exhibits desirable resistance against wear in opposing teeth. The present invention relates to a dental mill blank comprising: an inorganic filler containing an inorganic filler (A) and an inorganic filler (B); and a polymer, the inorganic filler (A) partly forming an aggregate, and the dental mill blank satisfying the following formulae (I) to (III), 0.001?a<0.32??(I) 0.3?b?10??(II) 5?x?80??(III), where a is an average primary particle diameter of the inorganic filler (A) in micrometers, b is an average primary particle diameter of the inorganic filler (B) in micrometers, and x is an average particle diameter of the aggregate in micrometers. Preferably, the dental mill blank comprises an island component containing the aggregate, and a sea component containing the inorganic filler (A) and the inorganic filler (B).Type: GrantFiled: December 26, 2018Date of Patent: July 25, 2023Assignee: KURARAY NORITAKE DENTAL INC.Inventors: Masashi Inoue, Kenji Hatanaka
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Patent number: 11685834Abstract: An aqueous emulsion comprising an aqueous continuous phase and a discontinuous oil phase comprising particles having an interpenetrating network (IPN) comprising: i) an MQ resin, ii) a polyorganosiloxane and iii) an organic polymer.Type: GrantFiled: November 16, 2021Date of Patent: June 27, 2023Assignee: DOW SILICONES CORPORATIONInventors: Jordan Stracke, Yihan Liu
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Patent number: 11680143Abstract: Provided herein is technology relating to materials having microscale and/or nanoscale features and particularly, but not exclusively, to porous materials comprising microscale features, methods for producing porous materials comprising microscale features, drug delivery vehicles, and related kits, systems, and uses.Type: GrantFiled: January 9, 2020Date of Patent: June 20, 2023Assignees: THE REGENTS OF THE UNIVERSITY OF MICHIGAN, THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Mark H. Tuszynski, Jeffrey S. Sakamoto, Kendell M. Pawelec, Yacov M. Koffler, Michael Sailor, Jonathan Zuidema
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Patent number: 11655587Abstract: A cable includes a sheath, and a coating film covering a circumference of the sheath. The coating film adheres to the sheath. The static friction coefficient of a surface of the coating film is smaller than the static friction coefficient of a surface of the sheath. The adhesion strength between the sheath and the coating film is 0.30 MPa or more.Type: GrantFiled: December 22, 2021Date of Patent: May 23, 2023Assignee: PROTERIAL, LTD.Inventors: Seiichi Kashimura, Masamichi Kishi, Takanobu Watanabe, Kimika Kudo, Masashi Arai
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Patent number: 11649325Abstract: Described herein are compositions comprising an actinically-crosslinkable polysiloxane-polyglycerol block copolymers, methods of making and use thereof, and devices comprising the compositions described herein. Disclosed herein are compositions comprising an actinically-crosslinkable polysiloxane-polyglycerol block copolymer derived from: a polysiloxane prepolymer comprising a polyglycerol side chain, the polyglycerol side chain comprising an ethylenically unsaturated group covalently linked thereto, wherein the ethylenically unsaturated group is actinically curable.Type: GrantFiled: January 26, 2021Date of Patent: May 16, 2023Assignee: Clearlab SG Pte Ltd.Inventors: Jong Gu Park, Yeong Shenq Chow, John Christopher Phelan
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Patent number: 11643555Abstract: Curable silicone compositions comprising an aryl group-containing organopolysiloxane gum having a consistency of 200 to 900 as a rheological modifier are provided. Use of the curable silicone compositions comprising an aryl group-containing organopolysiloxane gum having a consistency of 200 to 900 in methods for additive manufacturing a three-dimensional silicone elastomer article are further provided.Type: GrantFiled: April 13, 2021Date of Patent: May 9, 2023Assignee: Elkem Silicones USA Corp.Inventors: Remi Thiria, Daniel Hess
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Patent number: 11634619Abstract: In one aspect, compositions are described herein. In some embodiments, a composition comprises a phase change material, a hydrophobic sorption material, and a viscosity modifier. In some embodiments, a composition comprises a foam and a latent heat storage material dispersed in the foam, the latent heat storage material comprising a phase change material and a hydrophobic sorption material.Type: GrantFiled: August 5, 2020Date of Patent: April 25, 2023Assignee: Phase Change Energy Solutions, Inc.Inventors: Reyad I. Sawafta, Najih Naser
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Patent number: 11629223Abstract: Biodegradable polymers with advantageous physical and chemical properties are described, as well as methods for making such polymers. In one embodiment, a new chemical synthesis route to technologically important biodegradable poly(3-hydroxybutyrate) (P3HB) with high isotacticity and molecular weight required for a practical use is described. The new route can utilize racemic eight-membered cyclic diolide (rac-DL), meso-DL, or a rac-DL and meso-DL mixture, derived from bio-sourced dimethyl succinate, and enantiomeric (R,R)-DL and (S,S)-DL, optically resolved by metal-based catalysts. With a stereoselective racemic molecular catalyst, the ROP of rac-DL under ambient conditions produces rapidly P3HB with essentially perfect isotacticity ([mm]>99%), high crystallinity and melting temperature (Tm=171° C.), as well as high molecular weight and low dispersity (Mn=1.54×105 g/mol, Ð=1.01).Type: GrantFiled: March 19, 2021Date of Patent: April 18, 2023Assignee: Colorado State University Research FoundationInventors: Eugene Y. Chen, Xiaoyan Tang
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Patent number: 11629255Abstract: The invention is generally related to an embedded silicone hydrogel contact lens comprising a silicone hydrogel material and a hydrophobic insert. The silicone hydrogel material comprises repeating units of at least one first polysiloxane vinylic crosslinker comprising hydrophilized siloxane units each having one methyl substituent and one organic radical including at least one H-bond donor (e.g., hydroxyl groups), wherein the content of said at least one H-bond donor is at least 0.8 meq/g relative to the molecular weight of said at least one first polysiloxane vinylic crosslinker. The hydrophobic insert is composed of a crosslinked polymeric material comprising at least 40% by mole of acrylic repeating units and at least 6% by mole of repeating units of at least one vinylic crosslinking agent. The embedded silicone hydrogel is not susceptible to delamination.Type: GrantFiled: March 18, 2021Date of Patent: April 18, 2023Assignee: Alcon Inc.Inventors: Zahra Bassampour, Jing Cheng, Steve Yun Zhang
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Patent number: 11623996Abstract: The invention relates to a material for use as construction material for energy-pulse-induced transfer printing, which contains (a) at least one polymerizable binder, (b) at least one volume expansion component, (c) at least one initiator for the polymerization and (d) preferably at least one energy transformation component. The invention furthermore relates to a process for producing three-dimensional objects using the material.Type: GrantFiled: October 21, 2019Date of Patent: April 11, 2023Assignees: Ivoclar Vivadent AG, IO Tech Group Ltd.Inventors: Lorenz Josef Bonderer, Jürgen Lauberscheimer, Wolfgang Wachter, Michael Zenou