公开(公告)号：US4760104A

公开(公告)日：1988-07-26

申请号：US731805

申请日：1985-05-08

申请人： Tamotsu Miyajima ,  Noriatsu Tanaka ,  Nobuto Saito

发明人： Tamotsu Miyajima ,  Noriatsu Tanaka ,  Nobuto Saito

IPC分类号： C09D11/00 ,  C09D11/16 ,  C09D11/18 ,  C09D11/12

CPC分类号： C09D11/18

摘要： An erasable ball-point pen ink is disclosed. The ink is comprised of a rubber component, a volatile solvent, an organic pigment and a nonvolatile solvent, which additionally contains fine powders of silicon dioxide formed by the hydrolysis of silicon tetrachloride, the hydrolysis being carried out by a high temperature gas phase reaction; a semisolid substance; a soft solid substance having a melting point of not more than 130.degree. C.; a combination of fine powders of silicon dioxide formed by the hydrolysis of silicon tetrachloride, the hydrolysis being carried out by a high temperature gas phase reaction, and a semisolid substance; or a combination of fine powders of silicon dioxide formed by the hydrolysis of silicon tetrachloride, the hydrolysis being carried out by a high temperature gas phase reaction, and a soft solid substance having a melting point not higher than 130.degree. C. The ink can be used in a ball-point pen to make it possible to write fine letters and is capable of maintaining highly stable ink traces over long distances compared with presently available ball-point pen inks. The traces produced are even and show good intensity. Further, the ink does not produce substantial wear of ball holder with respect to the pen components. In addition to the excellent writing performances of the disclosed ink it retains the same or better erasability than erasable inks presently available in the market.

公开(公告)号：US4687791A

公开(公告)日：1987-08-18

申请号：US547283

申请日：1983-10-31

申请人： Tamotsu Miyajima ,  Noriatsu Tanaka ,  Nobuto Saito

发明人： Tamotsu Miyajima ,  Noriatsu Tanaka ,  Nobuto Saito

IPC分类号： C09D11/00 ,  C09D11/16 ,  C09D11/18

CPC分类号： C09D11/18

摘要： An erasable ball-point pen ink is disclosed. The ink is comprised of a rubber component, a volatile solvent, a pigment and a nonvolatile solvent, which additionally contains finely divided powders of an inorganic compound which is inactive to other ink components contained therein; a semisolid substance; a soft solid substance having a melting point of not more than 130.degree. C.; a combination of finely divided powders of an inorganic compound inactive to other ink compositions contained therein and a semisolid substance; or a combination of finely divided powders of an inorganic compound inactive to other ink composition contained therein and a soft solid substance having a melting point not higher than 130.degree. C. The ink can be used in a ball-point pen to make it possible to write fine letters and is capable of maintaining highly stable ink traces over long distances compared with presently available ball-point pen inks. The traces produced are even and show good intensity. Further, the ink does not produce substantial wear of ball holder with respect to the pen components. In addition to the excellent writing performances of the disclosed ink it retains the same or better erasability than erasable inks presently available in the market.

公开(公告)号：US4629748A

公开(公告)日：1986-12-16

申请号：US738807

申请日：1985-05-29

申请人： Tamotsu Miyajima ,  Noriatsu Tanaka ,  Nobuto Saito

发明人： Tamotsu Miyajima ,  Noriatsu Tanaka ,  Nobuto Saito

IPC分类号： C09D11/00 ,  C09D11/16 ,  C09D11/18 ,  C09D5/00

CPC分类号： C09D11/18

摘要： An erasable ball-point pen ink is described comprising a rubber component, a volatile solvent, a pigment and a nonvolatile solvent, said ink further containing at least one dispersant that is liquid at room temperature and completely soluble in said volatile solvent and which is selected from the group consisting of alkyl phosphate esters, amines and oxyethyleneoxypropylene block copolymers, by which a ball-point pen is available that ensures a very smooth ink flow and letter writing during any season of the year without blocking of the small clearance between the writing ball and the ball holder even when the writing tip is uncapped and exposed to the atmosphere for a prolonged period. The ink is particularly adapted to be used with ball-point pens for writing fine letters.

摘要翻译： 描述了一种可拆卸的圆珠笔墨水，其包括橡胶组分，挥发性溶剂，颜料和不挥发性溶剂，所述油墨还含有至少一种在室温下为液体并完全溶于所述挥发性溶剂中并被选择的分散剂 来自由磷酸烷基酯，胺和氧乙烯氧基丙烯嵌段共聚物组成的组，通过该组可以使用圆珠笔，确保在一年中的任何季节期间非常平滑的油墨流动和书写，而不会阻止书写球之间的小间隙 即使书写尖端未被盖住并且长时间暴露在大气中，球保持架也是如此。 墨水特别适用于圆珠笔用于书写精美字母。