Patents Examined by Peter A Salamon
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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
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Patent number: 11618823Abstract: The invention is generally related to an insert for being embedded in a silicone hydrogel contact lens. The insert is made of a crosslinked materials which are rigid in dry state at room temperature (from about 22° C. to about 26° C.), have a high oxygen permeability and a high refractive index in fully hydrated state. Such materials are useful for making inserts in embedded contact lenses for correcting corneal astigmatism, presbyopia, and color blindness lenses and for imparting photochromic characteristics to the lenses. The invention is also related to a method for making embedded silicone hydrogel contact lenses comprising an insert of the invention therein and to embedded silicone hydrogel contact lenses comprising an insert of the invention therein.Type: GrantFiled: March 18, 2021Date of Patent: April 4, 2023Assignee: Alcon Inc.Inventors: Jing Cheng, Steve Yun Zhang
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Patent number: 11591429Abstract: Grafted, crosslinked cellulosic materials include cellulose fibers and polymer chains composed of at least one monoethylenically unsaturated acid group-containing monomer (such as acrylic acid) grafted thereto, in which one or more of said cellulose fibers and said polymer chains are crosslinked (such as by intra-fiber chain-to-chain crosslinks). Some of such materials are characterized by a wet bulk of about 10.0-17.0 cm3/g, an IPRP value of about 1000 to 7700 cm2/MPa·sec, and/or a MAP value of about 7.0 to 38 cm H2O. Methods for producing such materials may include grafting polymer chains from a cellulosic substrate, followed by treating the grafted material with a crosslinking agent adapted to effect crosslinking of one or more of the cellulosic substrate or the polymer chains. Example crosslinking mechanisms include esterfication reactions, ionic reactions, and radical reactions, and example crosslinking agents include pentaerythritol, homopolymers of the graft species monomer, and hyperbranched polymers.Type: GrantFiled: April 27, 2021Date of Patent: February 28, 2023Assignee: INTERNATIONAL PAPER COMPANYInventors: Karen Brogan, Charles E. Miller, Angel Stoyanov, Torsten Lindner, Maike Siemons
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Patent number: 11590061Abstract: A fluorine coating agent having enhanced dental tubule permeability and coating endurance, and a method for preparing the same. The fluorine coating agent applied on the surface of a tooth is enhanced in abrasion resistance to increase a period of time during which a coating membrane lasts, thereby preventing dental caries. Further, the curing time of the fluorine coating agent can be controlled to allow the agent to permeate and thus block the dental tubule.Type: GrantFiled: September 28, 2018Date of Patent: February 28, 2023Assignee: OSSTEMIMPLANT CO., LTD.Inventors: Il Seok Jang, Hanna Park, Su Kyoung Kim, Ju Dong Song, Tae Gwan Eom
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Patent number: 11583612Abstract: There is provided a material comprising a multi-block thermogelling polymer, said multi-block thermogelling polymer comprising a hydrophilic polymer block; a thermosensitive polymer block; and a hydrophobic polymer block, wherein the hydrophilic polymer block, the thermosensitive polymer block and the hydrophobic polymer block are chemically coupled together by at least one of urethane/carbamate, carbonate, ester linkages or combinations thereof, and wherein the material is suitable for use as a vitreous substitute. Also provided are a method of preparing said material and a synthetic vitreous humour or part thereof comprising said material.Type: GrantFiled: February 28, 2020Date of Patent: February 21, 2023Assignees: Agency for Science, Technology and Research, National University Hospital (Singapore) Pte Ltd, National University of Singapore, Singapore Health Services Pte LtdInventors: Xian Jun Loh, Xinyi Su, Zengping Liu, Gopal Lingam, Veluchamy Amutha Barathi, Walter Hunziker
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Patent number: 11578176Abstract: Described is a silicone hydrogel contact lens having non-uniform morphology. The contact lens may be made from a reactive mixture comprising: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator, the contact lens having an oxygen permeability of at least about 60 barrers, and wherein the molar ratio in the lens of the polymeric non-reactive internal wetting agent to silicone, without a surface treatment, is greater in the lens's surface than in its bulk.Type: GrantFiled: May 15, 2020Date of Patent: February 14, 2023Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
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Patent number: 11578179Abstract: The present invention relates to an antimicrobial polymer coating composition including: a (meth)acrylate-based monomer or oligomer containing an alkylene oxide having 1 to 10 carbon atoms; a photosensitizer; and a photoinitiator, and an antimicrobial polymer film including a substrate layer including a polymer resin containing a (meth)acrylate-based repeating unit having an introduced alkylene oxide functional group having 1 to 10 carbon atoms, and a photosensitizer dispersed in the substrate layer, wherein the antimicrobial polymer film has surface energy of 32 mN/m or more.Type: GrantFiled: October 23, 2018Date of Patent: February 14, 2023Assignee: LG CHEM, LTD.Inventors: Mingoo Kim, Hyeok Jeong, Jinkyu Lee