Abstract: An oral care composition including a base formulation, sodium bicarbonate, and nisin, wherein the oral care composition removes biofilm from a tooth surface more effectively than the base formulation with the sodium bicarbonate or the nisin alone.

Abstract: A radiation curable ink jet ink composition includes vinyl methyl oxazolidinone; and a monomer having at least two vinyl ether groups.

Abstract: Provided is a wheelchair that can be easily operated with either a right or left hand. The wheelchair according to the present invention is provided with: a right-left pair of first handrims connected to handrim spokes; a right-left pair of second handrims connected to spokes; a first rotary shaft for transmitting a first rotational force generated by rotation of the left first handrim to a right wheel; and a second rotary shaft for transmitting a second rotational force generated by rotation of the right first handrim to a left wheel, wherein a first power transmission device on a right inner shaft of a right drive mechanism meshes with a second power transmission device on the second rotary shaft, and a third power transmission device on a right outer shaft of the right drive mechanism meshes with a fourth power transmission device on the first rotary shaft.

Abstract: A UV-curable ink jet ink composition includes: 10.00% by mass or more and 60.00% by mass or less, relative to a total mass of the ink composition, of a compound represented by formula (A); 10.00% by mass or more and 50.00% by mass or less, relative to the total mass of the ink composition, of one or more monofunctional monomers having an alicyclic hydrocarbon group or a cyclic ether group; 0.05% by mass or more and 0.50% by mass or less, relative to the total mass of the ink composition, of one or more fluorescent brighteners including a compound represented by formula (b1), (b2), (b3), or (b4); and 3.00% by mass or more and 8.00% by mass or less, relative to the total mass of the ink composition, of one or more acylphosphine oxide polymerization initiators.

Abstract: Provided is a lightweight and inexpensive wheelchair that can be easily operated with either a right or left hand. The wheelchair according to the present invention is provided with; a pair of handrims having a first portion connected to each handrim spoke and a second portion connected to a base of each wheel; a drive mechanism for transmitting a first rotational force generated by the first portion on one side and/or another side to the wheel on the one side and the wheel on the other side, wherein the drive mechanism includes an axle on the one side, an axle on the other side connected to the axle on the one side via a rotary shaft, a first two-way clutch located on the axle on the one side, and a second two-way clutch located on the axle on the other side.

Abstract: A radiation curable ink jet composition includes polymerizable compounds; and a photopolymerization initiator, the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by the following general formula (I), a content of the vinyl ether group-containing (meth)acrylate with respect to a total mass of the radiation curable ink jet composition is 15 percent by mass or more, and the photopolymerization initiator includes ethyl (2,4,6-trimethylbenzoyl)phenylphosphinate. H2C?CR1—CO—OR2—O—CH?CH—R3??(I) In the above formula, R1 represents a hydrogen atom or a methyl group, R2 represents a divalent organic residue having 2 to 20 carbon atoms, and R3 represents a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms.

Abstract: The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.

Abstract: A radiation curable ink jet composition includes polymerizable compounds and a photopolymerization initiator, the polymerizable compounds include a monofunctional monomer, a content of the monofunctional monomer with respect to a total mass of the polymerizable compounds is 90 percent by mass or more, and the photopolymerization initiator includes ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate.

Abstract: The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.

Abstract: An oral care composition including greater than 0.0% of an antimicrobial agent that is cetylpyridinium chloride (CPC), a cationic surfactant, an emulsifier, and less than 0.5% by weight of a thickener, such as hydroxyethylcellulose.

Abstract: A radiation curable ink comprises a compound represented by the following Formula (I): a compound represented by the following Formula (II): and a compound represented by the following Formula (III):

Abstract: Provided is a lightweight and inexpensive wheelchair that can be easily operated with either a right or left hand. The wheelchair according to the present invention is provided with; a pair of handrims having a first portion connected to each handrim spoke and a second portion connected to a base of each wheel; a drive mechanism for transmitting a first rotational force generated by the first portion on one side and/or another side to the wheel on the one side and the wheel on the other side, wherein the drive mechanism includes an axle on the one side, an axle on the other side connected to the axle on the one side via a rotary shaft, a first two-way clutch located on the axle on the one side, and a second two-way clutch located on the axle on the other side.

Abstract: An intraoral device comprises a body including a lingual wall, a labial wall, and a bite surface extending between the lingual wall and the labial wall, wherein the lingual wall, the labial wall, and the bite surface define at least one channel; and a light source coupled to the body and configured to illuminate at least a portion of the at least one channel.

Abstract: Provided is a wheelchair that can be operated easily with either a right or left hand. The wheelchair is provided with; right and left handrims; a rotary shaft for transmitting a rotational force generated by a handrim on one side to a wheel on the opposite side via a drive mechanism; and a wheel hub for transmitting the rotational force generated by the handrim on the one side to the wheel on the same side via the drive mechanism, wherein the drive mechanism includes two pairs of right and left sensors respectively disposed on an outer surface of each of the handrims, a first non-excitation electromagnetic clutch for transmitting the rotational force to the right wheel, a second non-excitation electromagnetic clutch for transmitting the rotational force to the wheel on the opposite side, and a third non-excitation electromagnetic clutch for transmitting the rotational force to the left wheel.

Abstract: A radiation-curable ink jet composition includes a monofunctional (meth)acrylate monomer and vinyl methyl oxazolidinone.

Abstract: A radiation-curable ink jet composition includes vinyl methyl oxazolidinone and a vinyl ether group-containing (meth)acrylate represented by the following formula (1): H2C?CR1—CO—OR2—O—CH?CH—R3 (where, R1 is a hydrogen atom or a methyl group, R2 is a divalent C2-C20 organic residue, and R3 is a hydrogen atom or a monovalent C1-C11 organic residue).

Abstract: A method of treating teeth and gums within an oral cavity including treating the accessible surfaces and hard-to-reach surfaces of the teeth and gums. The method includes providing an oral care composition including a therapeutic amount of sodium bicarbonate, providing a tool that generates hydrodynamic power, and applying the oral care composition to the accessible surfaces and the hard-to-reach surfaces of the teeth and gums and generating hydrodynamic power within the oral cavity. The combination of the oral care composition and the hydrodynamic power more effectively removes biofilm from the accessible surfaces and the hard-to-reach surfaces of the teeth and gums.

Abstract: A radiation curing ink jet printing method for forming a cured coating having a thickness of 0.5 ?m to 5 ?m includes an ejection step of ejecting a radiation-curable ink composition onto a printing medium, and an irradiation step of irradiating the radiation-curable ink composition on the printing medium with an active radiation having an emission peak wavelength in the range of 350 nm to 420 nm from an active radiation source. The radiation-curable ink composition contains one or more monofunctional monomers and one or more multifunctional monomers in such a proportion that the ratio of the total mass of the monofunctional monomers to the total mass of the multifunctional monomers is 0.45 or more. In the irradiation step, the radiation-curable ink composition is irradiated with the active radiation in an atmosphere having an oxygen concentration lower than the atmospheric oxygen concentration.

Abstract: An oral care composition including a base formulation, sodium bicarbonate, and nisin, wherein the oral care composition removes biofilm from a tooth surface more effectively than the base formulation with the sodium bicarbonate or the nisin alone.

Abstract: An oral care composition including a base composition, and a nonionic surfactant selected from the group consisting of a monoglyceride, a diglyceride, and a combination thereof in an amount of about 0.5% to about 5.0% by weight of the oral care composition.