Abstract: The present invention relates to restorative purpose acrylic dental composite filling material which are curable by light and are polymerizable, and which contains only ?-tricalcium phosphate (?-TCP), nanocrystalline cellulose (NCC), hydroxy apatite particles/fibers/whiskers, AI—Sr—OF and AI—Sr—Si—OF and/or mixtures thereof as supportive phase system for conferring regenerative and antibacterial properties to composite filling materials, and relates to production method of said dental composite filling material.
Type:
Grant
Filed:
December 28, 2018
Date of Patent:
May 7, 2024
Assignee:
AVRUPA IMPLANT SANAYI VE DIS TICARET LIMITED SIRKETI
Abstract: The disclosed technology provides improved adhesive composition of use with dentures. These improved compositions include (a) a cross linked poly(acrylic) acid polymer, in combination with (b) a carbomethylcellulose (CMC) component and/or (c) an adherence promoting component. The compositions balance the many competing goals for effective denture adhesives, including adhesive strength and dispensing viscosity, without the need for zinc.
Abstract: The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler A, non acid-reactive filler B1, sugar alcohol with 6 hydroxyl moieties, Paste B comprising water, polyacid, non acid-reactive filler B2, the sugar alcohol being present in an amount of not more than 2 wt. % and the water being present in an amount of not more than 15 wt. %, wt. % with respect to the whole composition obtained when mixing Paste A and Paste B. The invention also relates to a hardened glass ionomer composition for dental use obtained by mixing Paste A and Paste B of the kit of parts.
Type:
Grant
Filed:
March 27, 2019
Date of Patent:
April 30, 2024
Assignee:
Solventum Intellectual Properties Company
Abstract: Novel, lubricious coatings for medical devices are disclosed. The coatings provide improved lubricity and durability and are readily applied in coating processes a low temperatures that do not deform the device. The present invention is also directed to a novel platinum catalyst for use in such coatings. The catalyst provides for rapid curing, while inhibiting cross-linking at ambient temperatures, thereby improving the production pot life of the coatings.
Type:
Grant
Filed:
January 5, 2023
Date of Patent:
April 30, 2024
Assignee:
Ethicon, Inc.
Inventors:
Duan Li Ou, Christophe Vailhe, Frank R. Cichocki, Jr.
Abstract: A germ-repellent plastic for use in a gas pathway of a respiratory device contains an anti-biofouling compound, and a basic plastic. The anti-biofouling compound is optionally selected from the group of a polyol, a polyether polyol, a polyol derivative, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of a polyether, a poly(ethylene glycol) ether, a polysorbate, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of poly(ethylene glycol) sorbitan monolaurate, poly(ethylene glycol) sorbitan monooleate, poly(ethylene glycol) sorbitol hexaoleate, ceteareth, and a combination thereof. The basic plastic is selected from the group of a blend of a low-density polyethylene polymer and an ethyl vinyl acetate copolymer, a blend of a polypropylene polymer and an ethyl vinyl acetate copolymer, a blend of polyolefin elastomer polymers and a polyvinyl chloride polymer.
Type:
Grant
Filed:
April 9, 2018
Date of Patent:
April 30, 2024
Assignee:
VINCENT MEDICAL MANUFACTURING CO., LTD.
Inventors:
Wenjun Meng, Sau Kuen Connie Kwok, Yueying Chen, Mingyu Zhang, Kwok Fu Fu, Ching Sau Chu
Abstract: A method of emulsification of an oil phase in an aqueous continuous phase, by dispersing core-corona microparticles into the aqueous phase, adding the oil phase, and applying shearing force for a time sufficient to emulsify the resulting mixture. The core-corona microparticles are obtained by radical co-polymerization of a polyethylene oxide macromonomer with at least one hydrophobic acrylate monomer and at least one hydrophobic acrylamide monomer.
Type:
Grant
Filed:
June 29, 2021
Date of Patent:
April 23, 2024
Assignee:
SHISEIDO COMPANY, LTD.
Inventors:
Yuki Sugiyama, Ryushi Fukuhara, Yang Han
Abstract: In a method for producing a PBO fiber with increased resistance against UV-caused degradation, a coating is provided on the PBO fibers, wherein the coating comprises graphene oxide cross-linked by polymerization with glutaraldehyde and resorcinol. The fibers are useful for lighter than air vehicles.
Type:
Grant
Filed:
November 25, 2019
Date of Patent:
April 16, 2024
Assignee:
SCEYE SA
Inventors:
Mikkel Vestergaard Frandsen, David Kim, Tobin Filleter, Sudeep Parambath Mundayodan
Abstract: Described are visible light absorbing compounds. The compounds have a visible light absorption maximum between 430 and 480 nm and a full width half maximum (FWHM) at the visible light absorption maximum of at least 35 nm and up to 100 nanometers, wherein the compounds are photostable. The compounds substantially mimic the visible light absorbance properties of macular pigment while remaining photostable. The compounds may be used in a variety of articles, including ophthalmic devices.
Abstract: An asphalt composition containing asphalt and polyester, wherein a content of asphaltene in the asphalt is 18% by mass or more and 40% by mass or less, and a content of the polyester is 1 part by mass or more and 10 parts by mass or less with respect to 100 parts by mass of the asphalt.
Abstract: The present disclosure relates to: an antibacterial polymer coating composition comprising a (meth)acrylic polyol resin, which has a number average molecular weight of 3,000-20,000, a (co)polymer containing an ethylene glycol repeating unit, and a photosensitizer; an antibacterial polymer film comprising a cured product of the antibacterial polymer coating composition; and an antibacterial polymer film which comprises a substrate layer and a photosensitizer, the substrate layer comprising a (meth)acrylic polyol resin having a number average molecular weight of 3,000-20,000 and a (co)polymer containing an ethylene glycol repeating unit, and the photosensitizer being dispersed in the substrate layer.
Type:
Grant
Filed:
April 1, 2020
Date of Patent:
April 16, 2024
Assignee:
LG CHEM, LTD.
Inventors:
Jeehyon Min, Mingoo Kim, Miyeon Oh, Jinkyu Lee, Hong Shik Shim
Abstract: A monomer composition for a dental material including a compound represented by Formula (1). In Formula (1), X represents an n-valent organic group having from 1 to 200 carbon atoms and containing at least one selected from the group consisting of an oxygen atom and a nitrogen atom, in which the at least one selected from the group consisting of an oxygen atom and a nitrogen atom is bound to Y; and each Y represents a (meth)acryloyl group-containing group (Y1) represented by the following Formula (A), a (meth)acryloyl group (Y2), a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms, with the proviso that at least one or more Y, among all Ys included in the compound represented by Formula (1), is the (meth)acryloyl group-containing group (Y1).
Abstract: A water repellent composition containing a component that is a condensation reaction product between: an organopolysiloxane shown by the following general formula (1) and having a hydroxyl group or an alkoxy group at both terminals of a molecular chain of the organopolysiloxane, (R2O)R12SiO—(R12SiO)m—SiR12(OR2) (1); and a trialkylsiloxysilicate containing R13SiO1/2 an unit, an SiO2 unit, and a siloxane unit having a hydroxyl group bonded to a silicon atom, where a molar ratio of the R13SiO1/2 unit/the SiO2 unit is 0.6 to 1.3, and a content of the hydroxyl group is 0.1 or more and less than 2.0 mass %. A water repellent composition which is used as a water repellent in water repellency, particularly suitably applied as an agent for paintwork and a glass surface of an automobile, so as to impart initial water repellency and long-lasting water repellency.
Abstract: 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.
Abstract: 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.
Abstract: The invention provides a hydrophilized polydiorganosiloxane vinylic crosslinker which comprises (1) a polydiorganosiloxane polymer chain comprising dimethylsiloxane units and hydrophilized siloxane units each having one methyl substituent and one monovalent C4-C40 organic radical substituent having two to six hydroxyl groups, wherein the molar ratio of the hydrophilized siloxane units to the dimethylsiloxane units is from about 0.035 to about 0.15, and (2) two terminal (meth)acryloyl groups. The hydrophilized polydiorganosiloxane vinylic crosslinker has a number average molecular weight of from about 3000 Daltons to about 80,000 Daltons. The present invention is also related to a silicone hydrogel contact lens, which comprises repeating units derived from a hydrophilized polydiorganosiloxane vinylic crosslinker of the invention.
Type:
Grant
Filed:
July 21, 2022
Date of Patent:
March 12, 2024
Assignee:
Alcon Inc.
Inventors:
Jinyu Huang, Frank Chang, Steve Yun Zhang, Feng Jing
Abstract: In an antimicrobial substrate, a cured material of a binder containing a copper compound and a polymerization initiator is fixed onto a surface of a base material. At least a part of the copper compound is exposed on a surface of the cured material of the binder.
Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.
Type:
Grant
Filed:
June 10, 2021
Date of Patent:
March 5, 2024
Assignee:
DENTSPLY SIRONA INC.
Inventors:
Florian Szillat, Caroline Renn, Christoph Weber, Uwe Walz, Joachim Klee
Abstract: A preparation method of an expansive polymer grouting material for treating high-pressure large-flow-rate karst water inrush includes: 1) adding a crosslinking agent to acrylic acid; then adding a polymer water-absorbent resin comonomer and performing a polymerization reaction to obtain a precursor; 2) adding an initiator to the precursor obtained in step 1), heating the mixture, performing a reaction to obtain a hydrogel, and grinding the hydrogel to obtain a primary polymer water-absorbent resin; 3) spraying a surface crosslinking agent onto a surface of the primary polymer water-absorbent resin obtained in step 2), and drying the product; and 4) preparing a suspension from an inorganic water conducting agent, spraying the suspension onto the product obtained in step 3), and performing drying to obtain the expansive polymer grouting material.
Abstract: Disclosed is an additive for imparting antimicrobial properties to a resin. The additive comprises a string polymer, at least one terminal of which has a positive charge, wherein the string polymer is a polymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond. By using this additive, it becomes possible to obtain an antibacterial resin molded body which can be prepared simply and inexpensively and which has high stability and safety.
Abstract: A cellulose ester composition is provided comprising at least one cellulose ester, at least one polymeric aliphatic polyester, at least one impact modifier, and at least one monomeric plasticizer. Processes for producing the cellulose ester compositions as well as articles made using these compositions, such as eyeglass or sunglass frames and/or lenses, are also provided.
Type:
Grant
Filed:
February 13, 2019
Date of Patent:
January 16, 2024
Assignee:
Eastman Chemical Company
Inventors:
Haining An, Wenlai Feng, Michael Eugene Donelson, Thomas Joseph Pecorini