Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7441976 | Water-based ink composition for ballpoint pen and ballpoint pen comprising the same A water-based ink composition for ballpoint pen, which comprises at least a colorant, water, a shear-thinning tackifier and a thickening inhibitor, wherein a ratio (x) of a viscosity after evaporation of 40 wt % of water from the total ink amount to an initial ink v... | 10/28/2008 |
| 7374356 | Double-head writing instrument A double-head writing instrument has a barrel having a partition formed inside thereof, first and second ink-tanks provided inside the barrel so as not to communicate each other, first and second ink-retaining members connected with first and second nibs provided on... | 05/20/2008 |
| 7351362 | Photochromic material A photochromic material comprising a styrene-based oligomer having a weight average molecular weight of from 200 to 6000 and a photochromic compound selected from the group consisting of spirooxazine derivatives and spiropyran derivatives. ... | 04/01/2008 |
| 7335624 | Reversible thermochromic display article A reversible thermochromic display article which comprises a substrate and, formed thereon, a heat coloration image containing a heat coloration type reversible thermochromic composition which is colored by heating and is decolored by cooling and a heat decoloration... | 02/26/2008 |
| 7332109 | Thermally color-developing reversibly thermochromic pigment A thermally color-developing reversibly thermochromic pigment which shows a uniform color density in the coloring temperature range and also shows an optimal ΔH value within a range of from 3 to 40° C. Thermally color-developing reversibly thermochromic pigments o... | 02/19/2008 |
| 7322767 | Water-based ink composition for ballpoint pen and water-based ballpoint pen A water-based ink composition for ballpoint pen which has a colorant, water, a water soluble organic solvent and, as a shear-thinning tackifier, a polysaccharide, wherein the polysaccharide exists in the ink as particles having an average particle size less than 5 Î... | 01/29/2008 |
| 7297730 | Ballpoint-pen ink compositions An ink composition useful in an oil-based ballpoint pen capable of drawing a satisfactory line on the surfaces of various materials to be written which are not only papers but also non-permeable materials such as glasses and plastics as well as fibrous materials suc... | 11/20/2007 |
| 7189133 | Reversibly metachromatic toy A reversibly metachromatic toy having a platelike resin foamed substrate, a resin layer provided on both the outer side surfaces of the foamed substrate, and a reversibly metachromatic layer provided on at least one-side resin layer partly or all over the surface. | 03/13/2007 |
| 7168876 | Writing instrument for water-metachromatic members with detachable pen point holder A writing instrument for a water-metachromatic member has a cylindrical container capable of holding water, formed with an opening at a tip end thereof to communicate the interior of the container with the exterior thereof, a hollow cylindrical holder which directly... | 01/30/2007 |
| 7083352 | Ballpoint pen An ballpoint pen has: a tip body made of metal having an front edge part and a plurality of inward protrusions; a ball rotatably embraced between the front edge part and the inward protrusions; and a rod part urging the ball forwardly and bringing the ball into clos... | 08/01/2006 |
| 7056570 | Water-metachromatic laminate, and process for its production On a support, a porous resin layer which is opaque in a water-unabsorbed state and capable of turning transparent in a water-absorbed state is formed, and also a water-repellent resin layer is so provided as to exist in the porous resin layer at its some area or are... | 06/06/2006 |
| 6984418 | Water-metachromatic laminate, and process for its production On a support, a porous resin layer which is opaque in a water-unabsorbed state and capable of turning transparent in a water-absorbed state is formed, and also a water-repellent resin layer is so provided as to exist in the porous resin layer at its some area or are... | 01/10/2006 |
| 6964807 | Water-metachromatic laminate, and process for its production On a support, a porous resin layer which is opaque in a water-unabsorbed state and capable of turning transparent in a water-absorbed state is formed, and also a water-repellent resin layer is so provided as to exist in the porous resin layer at its some area or are... | 11/15/2005 |
| 6953345 | Water-metachromatic cloth sheet, toy set using the same, and writing instrument for water-metachromatic members A water-metachromatic sheet has a support with a porous layer containing a binder resin with dispersed fine-particle silicic acid. The sheet is capable of rendering different transparency between water absorbed and unabsorbed states. The support is a cloth having a ... | 10/11/2005 |
| 6943772 | Magnetic display device A magnetic display device comprising a pair of flat-sheet display members formed of a non-magnetic material having transparency at least on its display surface, and a dispersion medium and magnetic particles held between the flat-sheet display members, wherein the d... | 09/13/2005 |
| 6887921 | Ink follower composition for writing instruments, and process for its production An ink follower composition to be provided at the rear end of an ink held directly in an ink container of a writing instrument and capable of going forward with consumption of the ink. The composition comprises at least one selected from an ethylene-α-olefin co-oli... | 05/03/2005 |
| D489088 | Ball-point pen | 04/27/2004 |
| 6498203 | Rubber-erasable aqueous ink for writing material composition and writing materials using the same A rubber-erasable aqueous ink for a writing material composition contains water, a water-soluble polar solvent, and a particulate adhesive colored resin. The particulate adhesive colored resin contains a pigment and an adhesive resin which is adhesive on ... | 12/24/2002 |
| 6444313 | Thermochromic acrylic synthetic fiber, its processed article, and process for producing thermochromic acrylic synthetic fiber A thermochromic acrylic synthetic fiber comprising an acrylonitrile polymer in which a thermochromic pigment composition with an average particle diameter of from 0.5 μm to 30 μm is dispersedly contained in an amount of from 0.5% by weight to 40% by wei... | 09/03/2002 |
| 6159598 | Core/sheath type temperature-sensitive shape-transformable composite filaments In a core/sheath type temperature-sensitive shape-transformable composite filament comprising a thermoplastic resin (A) and a thermoplastic polymer (B) having a glass transition temperature within the range of from 0° C. to 70° C., the composite filamen... | 12/12/2000 |
| 5895718 | Thermoplastic resin compositions and temperature-dependent shape-transformable/fixable products making use of the same A thermoplastic resin composition comprising a thermoplastic resin (A) and a thermoplastic polymer (B) having a glass transition temperature within the range of from -20° C. to 70° C. which are melt-blended in a proportion (A)/(B) of from 95/5 to 20/80 ... | 04/20/1999 |
| 5879443 | Temperature-sensitive color-memorizing microencapsulated pigment A microcapsulated pigment contains, as reaction media one or more specific aliphatic acid alcohol esters obtained from monohydric aliphatic alcohols having odd numbers of carbon atoms and aliphatic carboxylic acids, these reaction media in a homogeneous c... | 03/09/1999 |
| 5879438 | Method for improving light-fastness of reversible thermochromic compositions at the time of color extinguishment A reversible thermochromic composition is formed by blending: (a) an electron donating compound; (b) an electron accepting compound; (c) a metachromatic temperature adjuster; (d) an electron accepting, light-fastness providing agent represented by Formula... | 03/09/1999 |
