"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7175684 | Prilling method A prilling method comprising the steps of: providing a molten first component, mixing at least a second component with the molten first component, reacting the components to form a shear-thinnable mixture; and prilling the shear-thinnable mixture wherein the prillin... | 02/13/2007 |
| 7163575 | Water-based, resin-free and solvent-free eradicable ball-pen inks Improved combination eradicable ball-pen and re-write inks are disclosed. The combination eradicable and re-write ball-pen inks disclosed include water, glycerol, one or more acids and an eradicable dye. Glycerol is present in an amount greater than the water conten... | 01/16/2007 |
| 7071245 | Oil-based ballpoint pen ink composition and oil-based ballpoint pen An oil-based ballpoint pen ink composition comprising a) a colorant, b) a solvent containing one or more solvents having the following chemical structural formula (1) where R1, R2 and R... | 07/04/2006 |
| 7044592 | Process for forming image with liquid droplets, image forming apparatus utilizing such process and process for ejecting and projecting liquid droplets An image forming process provides an excellent ink fixation effect for high speed, low energy consumption printing. Two-valued or multi-valued gradation expression of a picture element, or the smallest output unit, is realized by controlling the number of liquid dro... | 05/16/2006 |
| 7001094 | Writing utensil having excellent cap-off performance Provided is a writing instrument in which a pen tip comprising a fibrous feed or a plastic feed is coated with a coating agent comprising a substance providing a cap-off property, wherein a fluorine base surfactant and/or a silicone base surfactant are added to an i... | 02/21/2006 |
| 6451099 | Water based ink composition for ball point pen Provided is a water based ink composition for a ball point pen comprising at least one selected from the group consisting of an alkylene oxide adduct of polyglycerin, an alkylene oxide adduct of glycerin and an alkylene oxide adduct of trimethylolpropane ... | 09/17/2002 |
| 6331203 | Aqueous ink composition for ball-point pen An aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to about 0.2 wt. % and a sodium alginate of about 0.2 to about ... | 12/18/2001 |
| 6020405 | Preparation of shear-thinning phase change ink jet inks Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and (b) from about 0.1 to about 99.9% of one or more reversibly-crossli... | 02/01/2000 |
| 6017471 | Colorants and colorant modifiers A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth radiation, to be mutable. The rad... | 01/25/2000 |
| 6001904 | Shear-thinning phase change ink jet inks and method of printing therewith Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high qu... | 12/14/1999 |
| 5961703 | Aqueous ink having an extended cap-off time and process of manufacture thereof An aqueous ink having an extended cap-off time and a process for manufacturing the ink, wherein the aqueous ink is composed of water as the predominant or exclusive solvent, hydrocolloid/hydrocolloids or polysaccharide/polysaccharides as binding agents or... | 10/05/1999 |
| 5925175 | Direct filling ink capable of being used for a ballpoint pen containing an aqueous ink composition There is provided an ink capable of being used in a ballpoint pen, the ink comprising: 2 to 10% by weight of a dye, 20 to 30% by weight of a wetting agent, 5 to 10% by weight of urea, 0.2 to 0.4% by weight of cross-linked acrylic acid polymer, 0.05 to 0.2... | 07/20/1999 |
| 5919521 | Method of marking an area with a dry foamable composition Disclosed are dry particulate compositions containing an anionic sulfonate or sulfate surfactant, fatty mono- or di-ethanolamide, alcohol, sugar and maltodextrin. The dry compositions readily disperse in water to form formulations which can form voluminou... | 07/06/1999 |
| 5853465 | Black-to-color bleed alleviation using non-specific ionic, pH, and colloidal effects An ink-jet ink set comprises (a) a microemulsion-based black ink in which the colorant is a water-insoluble black pigment has been chemically modified to impart water solubility by addition of functional groups to form a macromolecular chromophore and (b)... | 12/29/1998 |
| 5840210 | Dry foamable composition and uses thereof Disclosed are dry particulate compositions containing an anionic sulfonate or sulfate surfactant, fatty mono- or di-ethanolamide, alcohol, sugar and maltodextrin. The dry compositions readily disperse in water to form formulations which can form voluminou... | 11/24/1998 |
| 5769931 | Ink composition Novel, improved ink compositions are aqueous-based, shock-resistant, shear-thinning inks for writing instruments having a shear index greater than 0.6. The inks are a substantially uniform dispersion including colorant(s), a water dispersible, polymeric s... | 06/23/1998 |
| 5747562 | Ink and coating compositions containing silicon-treated carbon black Ink and coating compositions are disclosed comprising a silicon-treated carbon black. The silicon-treated carbon black may have at least one attached organic group, and the ink and coating compositions may comprise a combination of silicon-treated carbon ... | 05/05/1998 |
| 5661511 | Ink-jet printing method and method of producing print Disclosed herein is an ink-jet printing method by ejecting an ink from an orifice of a printing head in accordance with a printing signal to conduct printing on a printing material, comprising using an ink having a pH value (pHA) at which the a... | 08/26/1997 |
| 5531817 | Use of high viscosity, meltable gel inks for controlling bleed Color bleed (the invasion of one color into another on the surface of the print medium) using ink-jet inks is controlled by employing either high molecular weight polymers that exhibit a reversible gelling nature with heat or certain amine oxide surfactan... | 07/02/1996 |
| 5498282 | Color changing pan paint compositions Pan paints and associated color-changing systems are disclosed. In a first embodiment, the color-changing system comprises an undercolor pan paint coloring composition comprising an undercolor dye whose coloring ability is destroyed in the presence of a p... | 03/12/1996 |
| 5476540 | Gel-forming inks for use in the alleviation of bleed A method for controlling color bleed between adjacent multi-color ink regions on a print medium is disclosed. Color bleed involves the migration of color agents between adjacent zones in a multicolored printed image on a print medium. A first composition ... | 12/19/1995 |
| 5474603 | Aqueous metallic ink for ball-point pen An aqueous metallic ink for a ball-point pen which is prevented from causing deterioration such as sedimentation of aluminum powder during the storage for a long period of time and which can be continuously used for writing. The ink comprises an aluminum ... | 12/12/1995 |
| 5466281 | Water-based ink composition for ball-point pen A shear-thinning ink composition for use in ball point pens contains a substantially reduced amount of water. These low water-containing inks contain a polymeric material and exhibit superior "cap off" properties by remaining free-flowing after the cap ha... | 11/14/1995 |
| 5336308 | Fluid for permanent imprinting of textiles and other porous materials without treatment acceptors and long lasting conveyability in a substrate A mixture to which ink, dye or pigments may be added producing an ink mixture which is extremely slow in evaporating from a substrate but which can be used to imprint a permanent, identifiable mark on various types of fabric and requires no acceptor on th... | 08/09/1994 |
| 5013361 | Ball-point writing instrument containing an aqueous ink composition Aqueous based shear-thinning ink compositions and ball-point pens including the ink compositions. The ink compositions have a shear thinning index of from about 0.01 to about 0.6 and include colorant material(s) and a water dispersible, polymeric shear-th... | 05/07/1991 |
| 5010125 | Room temperature plain paper ink An ink jet ink composition useful for printing on plain paper at room temperature comprises a colloidal suspension of a nonaqueous solvent (e.g. selected glycol ethers) and dispersed particles comprising a natural resin or synthetic polymer which is insol... | 04/23/1991 |
| 4854969 | Lithographic fountain solutions Lithographic fountain solutions containing water, one or more nonionic surfactants having an HLB in the range of 1 to 8 and one or more hydrotropes to maintain the surfactant in solution without increasing the HLB of the fountain solution.... | 08/08/1989 |
| 4838938 | Recording liquid and recording method by use thereof A recording liquid is provided which comprises a dye as a component for forming an image and a liquid medium for dissolving or dispersing said dye, the liquid containing a compound having a three-dimensional moleuclar structure with an empty space therein... | 06/13/1989 |
| 4764213 | Lithographic fountain solution containing mixed colloids A lithographic fountain solution concentrate is disclosed, the essential components of which comprises an aqueous mixture of: (a) from about 0.1 to 1.5 percent by weight of a water soluble film forming hydrophilic gum; (b) from about 0.75 to about 8.5 percent ... | 08/16/1988 |
| 4726845 | Hybrid marking instrument and writing ink composition A writing ink composition having a pseudoplasticity index value between about 0.02 and 0.18, a low-shear viscosity between about 25,000 and 120,000 cP, and a high-shear viscosity between about 6 and 26 cP can be used in a hybrid, ball-point marking instru... | 02/23/1988 |
| 4671691 | Ball-point writing instrument containing an aqueous ink composition Gelled, aqueous inks are used in conjunction with viscoelastic ink follower compositions to avoid the necessity of using a fibrous ink reservoir or a porous or extruded ink feed rod.... | 06/09/1987 |
| 4545818 | Aqueous ink compositions for ball-point pens An aqueous ink composition for ball-point pens which comprises (i) 84.5 to 99.7 parts by weight of an aqueous medium consisting of 40 to 95% by weight of water and 60 to 5% by weight of a wetting agent, (ii) 0.1 to 15 parts by weight of a water-soluble or... | 10/08/1985 |
| 4514318 | Stabilizing polysaccharide-thickened aqueous medium and stable aqueous gel A means is provided for stabilizing polysaccharide-thickened aqueous solutions by including in the thickened solution from 0.01% to 1% w/w of a thiuram sulphide or thiomorpholine compound as stabilizer. These stabilizers provide improved resistance agains... | 04/30/1985 |
| 4172736 | Thickener for reactive dyes Thickening of "cellulose reactive dyes" with carboxyethyl guar.... | 10/30/1979 |
| 4156657 | Ball point pen, ink and its eradicator system Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink... | 05/29/1979 |
| 4073653 | Printing paste compositions containing sodium cellulose sulfate, and processes therefor Sodium cellulose sulfate can be used alone, or in combination with other natural or synthetic gums, as thickening agents for fabric printing paste compositions containing acid dyes. The printing paste is applied in the usual manner, and then the printed g... | 02/14/1978 |
| 4062644 | Transfer ink and method of using same A transfer ink suitable for dispersion from a felt nib pen upon a paper substrate for subsequent transfer by heat to fabrics formed at least partially from synthetic fibers. The ink comprises of a sublimation dye, organic solvent or water, binders and an ... | 12/13/1977 |
| 4030934 | Coloring composition for line- or pattern- drawing elements A coloring composition for line- or pattern-drawing elements which comprises as a base material thereof one or more acidic sublimating substances such as benzoic acid, salicylic acid and phthalic acid. Lines and/or patterns drawn with the coloring composi... | 06/21/1977 |