Provided is a dispersion liquid of colored resin fine particles for an aqueous ink having excellent stability and a sufficient drawn line intensity; an aqueous ink composition for a writing instrument such as felt-tip pens, marking pens, and ballpoint pens using the dispersion liquid of the colored resin fine particle as a colorant; and a writing instrument loaded with the composition. The dispersion liquid of colored resin fine particles for an aqueous ink includes colored resin fine particles dispersed in water, the colored resin fine particles composed of at least a cyclohexyl (meth)acrylate monomer, and a basic dye or an oil-soluble dye, in which the content of the cyclohexyl (meth)acrylate monomer is 30% by mass or more, and the content of the basic dye or the oil-soluble dye is 15% by mass or more based on the total polymer component constituting the colored resin fine particles.

To provide a reversibly thermochromic aqueous ink composition excellent in dispersion stability of a reversibly thermochromic microcapsule pigment and a writing instrument using the same.

Disclosed is a reversibly thermochromic aqueous ink composition comprising a reversibly thermochromic microcapsule pigment encapsulating a reversibly thermochromic composition comprising (a) an electron-donating color-developing organic compound, (b) an electron-accepting compound, and (c) a reaction medium to determine an occurrence temperature of a coloring reaction of the component (a) and the component (b), and a vehicle comprising water and a specific gravity adjuster selected from the group consisting of an oxyacid belonging to Group 6 having an atomic weight of 90 to 185 or salt thereof.

To provide a reversibly thermochromic aqueous ink composition excellent in dispersion stability of a reversibly thermochromic microcapsule pigment and a writing instrument using the same.

Disclosed is a reversibly thermochromic aqueous ink composition comprising a reversibly thermochromic microcapsule pigment encapsulating a reversibly thermochromic composition comprising (a) an electron-donating color-developing organic compound, (b) an electron-accepting compound, and (c) a reaction medium to determine an occurrence temperature of a coloring reaction of the component (a) and the component (b), and a vehicle comprising water and a specific gravity adjuster selected from the group consisting of an oxyacid belonging to Group 6 having an atomic weight of 90 to 185 or salt thereof.

The present invention relates to a rotary pressing cosmetic pen includes a pen tube, a material assembly, a pressing assembly and a discharging assembly; the pressing assembly includes a cylinder, a button cover, an outer ring and an inner ring; the cylinder rotately connects to the lower end of the pen tube; the outer ring is fixed in the cylinder; the button cover is inserted into the outer ring and stucked therein along the circumferential direction of the outer ring; one end of inner ring is inserted between the outer ring and the button cover, the other end of inner ring is inserted into the lower end of the pen tube and stucked therein along the circumferential direction of the pen tube; the inner ring is also provided with spiral grooves; the button cover is provided with clasps inserting into the spiral grooves and sliding therein.

A writing implement having a magnetic component is disclosed. The writing implement may be a pen, pencil, marker, highlighter, or other type of writing implement, and may include a writing tip, a reservoir for providing a writing fluid, a housing, and at least one magnetic component. The magnetic component may be sized and shaped so that it can be at least partially enclosed within the housing. The magnetic component may include one or more magnets and may be movably coupled to the housing to allow for alignment of the magnets with a ferromagnetic surface.

A writing implement having a magnetic component is disclosed. The writing implement may be a pen, pencil, marker, highlighter, or other type of writing implement, and may include a writing tip, a reservoir for providing a writing fluid, a housing, and at least one magnetic component. The magnetic component may be sized and shaped so that it can be at least partially enclosed within the housing. The magnetic component may include one or more magnets and may be movably coupled to the housing to allow for alignment of the magnets with a ferromagnetic surface.

A writing instrument comprising a housing extending in a longitudinal direction and having a radial direction, and first and second concentric writing tips, the second writing tip arranged around the first writing tip, each writing tip received in the housing and able to assume an operating configuration, the housing comprising, at a longitudinal end, a deformable nose at least in the radial direction, the deformable nose comprising at least one slit extending in the longitudinal direction, the deformable nose not being deformed when only the first writing tip is in an operating configuration and the deformable nose being deformed when the second writing tip is in an operating configuration, the deformable nose comprising an exit opening of the first and second writing tips, the diameter of the exit opening being greater than the diameter of the first writing tip and less than that of the second writing tip.

Embodiments of the disclosure can include writing instruments, nibs for writing instruments, and methods of making the same. In one embodiment, the writing instrument includes a reservoir; an ink solution comprising a pigment, the ink solution being housed within the reservoir; a nib disposed at an end of the reservoir and plugging an opening of the reservoir such that the reservoir is closed, wherein a tip of the nib extends outside of the reservoir; and a filament extending within the reservoir, the filament being in fluid communication with a portion of the nib within the reservoir, such that the ink solution travels along the filament and through the nib, by capillary action, wherein the nib and filament are formed such that no more than 50 percent of the pigment present in the nib and filament flow into the reservoir outside of the nib and filament when the writing instrument is stored with the nib up for a period of one day.

Provided are a child and environmentally friendly aqueous based heat transfer disperse dye ink compositions suitable for placing an image on an object and processes of their use. The compositions may include a heat transfer disperse dye and a nonsublimable dye or pigment having a hue representative of the hue of the disperse dye when heat transferred onto a substrate, with either or both of the dyes or pigments having a particle size less than 350 nm, and wherein the ink composition may have a viscosity less than 10 cps at room temperature. A process that uses the ink compositions optionally include marking an intermediate substrate, drying the image, optionally heating the intermediate substrate, optionally placing the inked intermediate substrate in contact with a dye receptive surface of a receptive object, and optionally transferring the image to the receptive object by application of sufficient heat and pressure.

A highlighter with a see-through area comprising a housing having a hollow body and an opening, an ink reservoir disposed inside the housing for storing ink, a nib disposed at the opening and an ink feeder disposed inside the housing for transporting ink from the ink reservoir to the nib. The housing further comprises a cut-out section disposed behind the nib to provide the see-through area for a user. The see-through area allows the user to see a section of text before highlighting. Alternatively, a section of the housing behind the nib can be constructed using transparent material such as plastic to provide a see-through area for a user.