Printing Ink Utilized Patents (Class 427/511)
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Patent number: 6534128Abstract: Low viscosity, radiation curable urethane oligomer, preferably a radiation curable polyester urethane oligomer, that can be incorporated into radiation curable ink compositions. Preferred embodiments are suitable for ink jetting applications. The ink jettable embodiments are particularly well-suited for use in piezo ink jet printers. The viscosity characteristics of the compositions are such that conventional solvent is not required in order to satisfy the requisite low ink jet viscosity specifications. The oligomer generally is a reaction product of ingredients comprising an aliphatic polyisocyanate; and a radiation curable, polyester alcohol comprising one or more radiation curable moieties, one or more hydroxyl moieties, and one or more ester moieties.Type: GrantFiled: November 9, 2000Date of Patent: March 18, 2003Assignee: 3M Innovative Properties CompanyInventors: James G. Carlson, Jeffrey T. Anderson, Caroline M. Ylitalo, Ronald K. Thery, Richard L. Severance, Jennifer L. Lee, Dong Wu, William J. Hunt
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Patent number: 6528127Abstract: A printed packaging material and a method for making the same is described. On a primary surface of a thermoplastic flexible packaging material is disposed a printed image. That image includes two primary components. The first is at least one marking containing a pigment. The second is a pigment-free coating which overlies the outermost marking. The coating is made from materials which can polymerize and/or crosslink when exposed to ionizing radiation. After the film is exposed to such radiation, the coating hardens to form a protective layer over the printed markings.Type: GrantFiled: March 8, 1999Date of Patent: March 4, 2003Assignee: Cryovac, Inc.Inventors: Marc A. Edlein, David Ray Kyle
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Patent number: 6512020Abstract: Compounds of formula I, II and III, wherein wherein R1 is for example hydrogen, C1-C12alkyl, C3-C30cycloalkyl, C2-C12alkenyl, C4-C8cycloalkenyl, phenyl, which is unsubstituted or substituted, naphthyl, anthracyl or phenanthryl, unsubstituted or substituted, heteroaryl radical which is unsubstituted or substituted; wherein all radicals R1 with the exception of hydrogen can additionally be substituted by a group having a —O—C-bond or a —O—Si-bond which cleaves upon the action of an acid; R′1 is for example phenylene, naphthylene, diphenylene or oxydiphenylene, wherein these radicals are unsubstituted or substituted; R2 is halogen or C1-C10haloalkyl; R3 is for example C1-C18alkylsulfonyl, phenylsulfonyl, naphthylsulfonyl, anthracylsulfonyl or phenanthrylsulfonyl, wherein the groups are unsubstituted or substituted, or R3 is e.g.Type: GrantFiled: March 28, 2001Date of Patent: January 28, 2003Assignee: Ciba Specialty Chemicals CorporationInventors: Toshikage Asakura, Hitoshi Yamato, Masaki Ohwa, Jean-Luc Birbaum, Kurt Dietliker, Junichi Tanabe
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Patent number: 6488994Abstract: In a strip-shaped mould for producing surface materials, in particular surfaces of melamine resin in the production of laminate panels, with a structured surface, a flexible strip (10) of paper or foil is provided with a layer (12) having a separating action in relation to the surface material, with the formation of slightly cross-linked regions, and a three dimensional shaped structure consisting of UV-hardening printing inks is applied thereto.Type: GrantFiled: May 17, 2000Date of Patent: December 3, 2002Assignee: WKP Wurttembergische Kunststoffplatten-Werke GmbH & Co. KGInventors: Heinz Haller, Joachim Schwilk
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Patent number: 6486228Abstract: Photoinitiator combinations comprising at least one compound of formula (I) wherein R1 is C1-C4alkyl, C1-C4alkoxy or halogen; R2 is hydrogen, C1-C4alkyl, C1-C4alkoxy or halogen; R3 is, for example, C1-C20alkyl, cyclopentyl, cyclohexyl, phenyl-C1-C4alkyl, naphthyl or biphenylyl or an O-, S- or N-containing 5- or 6-membered heterocyclic ring; and at least one compound of formula (II) wherein R1 and R2 are as defined above; R9 is, for example, C1-C20alkyl, cyclopentyl, cyclohexyl, phenyl-C1-C4alkyl, naphthyl, biphenylyl or an O-, S- or N-containing 5- or 6-membered heterocyclic ring; and R10 is, for example, C1-C20alkyl, C2-C20alkyl interrupted by one or more O atoms, cyclopentyl, cyclohexyl, phenyl-C1-C4alkyl, naphthyl, biphenylyl or an O-, S- or N-containing 5- or 6-membered heterocyclic ring; are reactive photohardeners causing only a low degree of yellowing in the cured substrates.Type: GrantFiled: March 28, 2001Date of Patent: November 26, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Manfred Köhler, Jean-Pierre Wolf, André Litzler, Guido Tolotti, Nils Hoeck
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Patent number: 6472028Abstract: The present invention is directed to a method for producing a high gloss coating on a printed surface. In the present method, an aqueous coating composition is deposited onto a surface to be printed using a blanket roller coating face which is a low energy, non-stick, smooth surface profile. In the present method, simultaneous with the deposition of aqueous coating onto a substrate, or shortly thereafter, pressure either alone or in combination with heat may be applied to the coating in order to create a substantially tack-free surface conforming to the surface of the coating face. By using a highly polished coating face, high gloss coatings may be readily obtained using this methodology in a number of traditional printing techniques including wet trap inline sheet-fed printing, heat-set offset printing, dry trap inline flexographic printing, offset web-fed printing and gravure printing.Type: GrantFiled: August 12, 1999Date of Patent: October 29, 2002Inventors: Joseph Frazzitta, Frank V. Frazzitta
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Patent number: 6461690Abstract: A laser marking apparatus and method for marking the surface of a semiconductor chip are described herein. A laser beam is directed to a location on the surface of the chip where a laser reactive material, such as a pigment containing epoxy, is present. The heat associated with the laser beam causes the laser reactive material to fuse to the surface of the chip, creating a visibly distinct mark in contrast to the rest of the surface of the chip. Only reactive material contacted by the laser fuses to the chip surface, and the remaining residue on the non-irradiated portion can be readily removed.Type: GrantFiled: April 3, 2001Date of Patent: October 8, 2002Assignee: Micron Technology, Inc.Inventor: Tim J. Corbett
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Publication number: 20020132060Abstract: A laser marking apparatus and method for marking the surface of a semiconductor chip are described herein. A laser beam is directed to a location on the surface of the chip where a laser reactive material, such as a pigment containing epoxy, is present. The heat associated with the laser beam causes the laser reactive material to fuse to the surface of the chip, creating a visibly distinct mark in contrast to the rest of the surface of the chip. Only reactive material contacted by the laser fuses to the chip surface, and the remaining residue on the non-irradiated portion can be readily removed.Type: ApplicationFiled: May 2, 2002Publication date: September 19, 2002Inventor: Tim J. Corbett
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Publication number: 20020128340Abstract: Methods, systems, and compositions that make it possible to form high resolution, pressure sensitive adhesive patterns or films on a wide range of substrates. The compositions generally incorporate a curable, fluid composition (i.e., pressure sensitive adhesive precursor). When cured, a pressure sensitive adhesive is formed. Ink jet printing and subsequent curing allows pressure sensitive adhesive features to be formed with high resolution and tremendous flexibility in the patterns by which adhesive features may be formed. Preferred embodiments of the invention incorporate rheology modifying agents that can be used to promote favorable dot gain and other printing characteristics, the ability to build print thickness, and mechanical properties of resultant cured adhesives.Type: ApplicationFiled: January 8, 2001Publication date: September 12, 2002Inventors: James K. Young, Brant U. Kolb, Albert I. Everaerts, Kevin M. Eliason, Diana M. Eitzman, Kejian Chen, John P. Banovetz, Gregory J. Anderson
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Patent number: 6444254Abstract: Functionalized polymer surfaces having reactive moieties thereon are contacted with stamps having ligands adsorbed thereto, the ligands also comprising reactive moieties. The reactive moieties of the functionalized surfaces and the ligands form covalent bonds, thus providing a method of microstamping polymer surfaces directly with ligands such as biological ligands. Using this method, devices such as tissue culture plates with polymer surfaces that are microstamped directly with ligands can be made.Type: GrantFiled: March 3, 2000Date of Patent: September 3, 2002Assignee: Duke UniversityInventors: Ashutosh Chilkoti, Zhongping Yang
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Patent number: 6428862Abstract: An ink for ink-jet recording contains a coloring agent, a polymerizable oligomer, water, and a photopolymerization initiator having a solubility in water of 3 percent by weight or more. Another ink for ink-jet recording contains a coloring agent, a polymerizable oligomer having at least two acryloyl groups and a solubility in water of 10 percent by weight or more, a photopolymerization initiator, and water. The specified polymerizable oligomer or photopolymerization initiator reduces bleeding of the ink on recording media.Type: GrantFiled: April 20, 1999Date of Patent: August 6, 2002Assignee: Canon Kabushiki KaishaInventor: Hiromichi Noguchi
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Patent number: 6406832Abstract: A method for fabricating a rib on a glass substrate includes steps of printing a first paste layer on the glass substrate, printing a second paste layer onto a first predetermined area of the first paste layer and the second paste layer having a hardener, activating the hardener of the second paste layer to harden the second paste layer, performing a stripping process to remove a portion of the first paste layer uncovered by the hardened second paste layer, and sintering the remaining first paste layer and the second paste layer to form the ribs. The first paste layer is formed by a solid printing process and the second paste layer is formed by a screen printing process. The second paste layer is a rib material having a photo-active hardener, such as polyvinyl cinnamate. The hardener of the second paste layer is activated by an exposure process. Finally, the hardener is removed from the second paste layer in the sintering process and the first paste layer is fused to the second paste layer.Type: GrantFiled: April 4, 2000Date of Patent: June 18, 2002Assignee: AU Optronics Corp.Inventor: Chung-Wang Chou
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Publication number: 20020064603Abstract: An ink for ink-jet recording contains a coloring agent, a polymerizable oligomer, water, and a photopolymerization initiator having a solubility in water of 3 percent by weight or more. Another ink for ink-jet recording contains a coloring agent, a polymerizable oligomer having at least two acryloyl groups and a solubility in water of 10 percent by weight or more, a photopolymerization initiator, and water. The specified polymerizable oligomer or photopolymerization initiator reduces bleeding of the ink on recording media.Type: ApplicationFiled: October 17, 2001Publication date: May 30, 2002Inventor: Hiromichi Noguchi
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Method for producing permanent drawings and markings on plastic tiles or tiles made of polycarbonate
Patent number: 6350496Abstract: A method of making permanent drawings and markings on a mosaic tile having a grid frame with a plurality of replaceable plastic tiles or tiles made of polycarbonate material. The method comprises the steps of providing a plurality of separate and replaceable tiles on a grid frame of the mosaic tile; providing an ink-jet printer having an ultraviolet stable ink; spraying the ultraviolet stable ink out from the ink-jet printer onto the plurality of replaceable tiles of the mosaic tile to form an image, and exposing an ultraviolet light on the image to cure the ultraviolet stable ink onto the plurality of replaceable tiles of the mosaic tile. The method further comprises the step of replacing an old tile with a new tile having the same marking or new markings as the old file. The method causes the ink to be embedded onto the files and remain in a very permanent state.Type: GrantFiled: October 13, 2000Date of Patent: February 26, 2002Assignee: Ronan Engineering CompanyInventors: Razmik Haftvani, John A. Hewitson -
Patent number: 6344245Abstract: A method of manufacturing a security device, the method comprising providing a radiation curable material on a shrinkable substrate; imparting an optically variable effect structure on or into the radiation curable material; and curing the material so that it retains the optically variable effect structure.Type: GrantFiled: September 12, 2000Date of Patent: February 5, 2002Assignee: De La Rue International LimitedInventor: Ralph Kay
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Patent number: 6340495Abstract: The invention relates to device making it possible to apply a chromophoric composition to the skin, said device including a chromophoric composition containing at least one chromophoric agent. The chromophoric composition is in the form of a layer of constant thickness bonded to one face of backing, at least prior to being applied to the skin, the chromophoric agent or agents being distributed uniformly in said composition, and the type of the composition being chosen such that light energy from laser radiation is transformed locally into heat and/or the chemical structure(s) of the chromophoric agent(s) is/are modified locally.Type: GrantFiled: December 9, 1998Date of Patent: January 22, 2002Assignee: Galderma Research & DevelopmentInventors: Chryslain Sumian, Franck Pitre, Serge Mordon
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Patent number: 6338807Abstract: In color printing, and in the fine arts, cholesteric liquid crystal (CLC) color inks are known to possess much higher color saturation and brightness than conventional pigment and dyed based inks. However, prior art CLC ink formulations are inconvenient because in the liquid phase they have to be confined in cells, and in the solid phase, they have to be applied at high temperature, and have to be aligned by some means to produce the optimum color. This invention solves the problem encountered in the CLC prior art, by making pre-aligned CLC platelets or flakes of appropriate thickness and size and mixing them in appropriate host fluids producing a novel CLC ink which can be applied at room temperature and without the need for alignment. The new pre-aligned room temperature CLC ink can be used as a substitute for conventional inks in almost all printing and plotting, and manual drawing and painting. Using the notch filter CLC platelets, the brightness is further enhanced.Type: GrantFiled: January 24, 1997Date of Patent: January 15, 2002Assignee: Reveo, Inc.Inventor: Sadeg M. Faris
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Patent number: 6319563Abstract: A system and method for finishing a series of golf balls is disclosed herein. The system automatically transfers each of the golf balls from station to station on the system. The system has at least one coating station that has at least one spray gun that moves in relation to a golf ball being conveyed through the coating station. The spray gun moves in a track extending from a position below the golf ball to a position above the golf ball. The system has a transfer means that includes a series of transport pucks. Each transport puck has a plurality of shafts with spindles attached to the top of each of the shafts. Each spindle holds a golf ball for processing through the system. The spindles are rotated at relatively high rates during the coating process. In order to reduce tip marks on the finished golf ball, the golf balls are transferred from each spindle utilizing a high pressure gas. The system may be used to coat each golf ball with a basecoat, an indicia and a topcoat.Type: GrantFiled: December 8, 1999Date of Patent: November 20, 2001Assignee: Callaway Golf CompanyInventors: Walter Skrabski, Steven C. Crast, Brian J. Webb, Michael G. Lucero, Ramon B. Dineros, Dennis O'Lenick
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Patent number: 6300388Abstract: An ink composition for ink jet printing contains an amino functionalized polyetheracrylate as radiation curable compound.Type: GrantFiled: September 15, 1999Date of Patent: October 9, 2001Assignee: Agfa-GevaertInventors: Emiel Verdonck, Luc Vanmaele
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Patent number: 6280801Abstract: The invention concerns a process and a device for curing a UV curing printing ink (14) on a printed material (9), wherein the printing ink (14) is irradiated with UV light from a UV radiation source (8). A low pressure gas discharge lamp (7) is proposed as UV radiation source (8). The device in accordance with the invention is characterized in that it comprises a stationary reflector (5) having, in particular, a special reflecting layer with diffuse reflecting material based on silicone rubber having diffuse reflecting particle imbedded therein.Type: GrantFiled: October 27, 1997Date of Patent: August 28, 2001Assignee: Metronic Geratebau GmbHInventor: Peter Schmitt
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Patent number: 6277897Abstract: The present invention is directed to new, energy-efficient photoinitiators in the form of &agr;-amino enol ether compounds. The present invention is also directed to a method of generating reactive species, which includes exposing one or more photoinitiators to radiation to form one or more reactive species. Also described are methods of polymerizing unsaturated monomers, methods of curing an unsaturated oligomer/monomer mixture, and methods of laminating using the photoinitiators of the present invention.Type: GrantFiled: June 3, 1999Date of Patent: August 21, 2001Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Ronald Sinclair Nohr, John Gavin MacDonald
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Patent number: 6270858Abstract: An image is printed onto a substrate having a surface. A coating is applied to the surface which includes a reactive water dispersible species and a solvent. An image is printed onto the coated substrate using an ink jet printer which supplies aqueous ink to thereby form the image on the substrate.Type: GrantFiled: November 13, 1997Date of Patent: August 7, 2001Assignee: Fargo Electronics, Inc.Inventor: Bradley A. Paulson
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Patent number: 6245711Abstract: A thermal paper with an image derived from a U.V., visible light or electron beam curable security ink has more than one means of security. Water repelling properties of the ink are a first security. A variable light absorbing and/or transmitting pigment or dye in the ink, pseudo-water mark or both, provide one or more additional security measures. Methods of preparing the thermal paper comprise printing the security ink on thermal paper on the surface opposite the thermosensitive coating and exposing the print to a U.V., visible light or electron beam radiation.Type: GrantFiled: October 29, 1999Date of Patent: June 12, 2001Assignee: NCR CorporationInventor: Wendell B. Halbrook, Jr.
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Patent number: 6245393Abstract: The present invention concerns a multicolor display device, comprising a transparent substrate, fluorescent dye deposited in a dye layer onto the substrate by ink jet printing, and a source of radiation for illuminating said fluorescent dye. The present invention also concerns methods for creating such a device.Type: GrantFiled: March 30, 1998Date of Patent: June 12, 2001Assignees: The Trustees of Princeton University, The University of Southern CaliforniaInventors: Mark E. Thompson, Stephen R. Forrest
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Patent number: 6242057Abstract: A method of generating reactive species which includes exposing a wavelength specific photoreactor composition to radiation, in which the wavelength specific photoreactor composition comprises one or more wavelength-specific sensitizers associated with one or more reactive species-generating photoinitiators. Also described are methods of polymerizing unsaturated monomers, methods of curing an unsaturated oligomer/monomer mixture, and methods of laminating.Type: GrantFiled: April 29, 1998Date of Patent: June 5, 2001Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Ronald Sinclair Nohr, John Gavin MacDonald
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Patent number: 6217949Abstract: A laser marking apparatus and method for marking the surface of a semiconductor chip are described herein. A laser beam is directed to a location on the surface of the chip where a laser reactive material, such as a pigment containing epoxy, is present. The heat associated with the laser beam causes the laser reactive material to fuse to the surface of the chip, creating a visibly distinct mark in contrast to the rest of the surface of the chip. Only reactive material contacted by the laser fuses to the chip surface, and the remaining residue on the non-irradiated portion can be readily removed.Type: GrantFiled: July 26, 2000Date of Patent: April 17, 2001Assignee: Micron Technology, Inc.Inventor: Tim J. Corbett
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Patent number: 6200648Abstract: The invention relates to a method of obtaining a simulated deep acid etch sign. The steps include creating a custom image on the sign through computer programming and hand applied manipulation. A coating of ink is applied and then cured with ultra violet light, post cured and then providing a conventional mirroring process.Type: GrantFiled: September 28, 1998Date of Patent: March 13, 2001Inventor: George E. Collins
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Patent number: 6200647Abstract: An image receptor medium including an image reception layer having two major opposing surfaces. The image reception layer comprises a polymer comprising at least two monoethylenically unsaturated monomeric units, wherein one monomeric unit comprises a substituted alkene where each branch comprises from 0 to about 8 carbon atoms and wherein one other monomeric unit comprises a (meth)acrylic acid ester of a nontertiary alkyl alcohol in which the alkyl group contains from 1 to about 12 carbon atoms and can include heteroatoms in the alkyl chain and in which the alcohol can be linear, branched, or cyclic in nature and an efficacious amount of a free-radical scavenger. Alternatively, the image receptor medium includes a substrate layer comprising a polymer substrate layer having two major opposing surfaces and an image reception layer on a first major surface of the substrate layer. The image reception layer has an outer surface for receiving images, and comprises a polymer identified above.Type: GrantFiled: July 2, 1998Date of Patent: March 13, 2001Assignee: 3M Innovative Properties CompanyInventors: Jeffrey O. Emslander, Christopher A. Haak
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Patent number: 6187380Abstract: A presensitized printing plate intermediate having an image mask on a UV radiation transparent removable coating layer; and a printing plate produced directly by reactants which polymerize alone or in combination with other reactants precoated on the plate substrate to form a printable hard resin image. A method of digitally forming an image on said printing plate intermediate.Type: GrantFiled: December 22, 1997Date of Patent: February 13, 2001Assignee: Kodak Polychrome Graphics LLCInventors: Robert W. Hallman, Hui Zhu, Ken-Ichi Shimazu, S. Peter Pappas
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Patent number: 6187389Abstract: This invention relates to an economical coating composition for porous substrates that provides extremely glossy surfaces, is capable of supporting holographic images, provides good oxygen barrier properties as well as good oil, grease, solvent and water resistance. Said coatings on paper substrates are printable, biodegradable, recyclable, and repulpable. They are also suitable for use in conjunction with food products. This invention also relates to a process for applying said coatings onto porous substrates as well as a process for the economical production of inexpensive holographic images on substrates such as paper and cardboard containers.Type: GrantFiled: May 3, 2000Date of Patent: February 13, 2001Assignee: A*Ware Technologies, L.C.Inventors: Derric T. Overcash, Richard C. Wallace
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Patent number: 6180226Abstract: The present invention provides a number of interrelated methods for the production of random and ordered arrays of particles and recesses as well as films containing such arrays and recesses. The present invention also relates to the random and ordered arrays of particles and films prepared therefrom. The ordered arrays are obtained by the use of ferrofluid compositions which may be curable, solidifiable on non-curing/non-solidifiable. The arrays and films may contain electrically-conductive particles useful in electronic applications for effecting contact between leads or pads.Type: GrantFiled: March 31, 1998Date of Patent: January 30, 2001Assignee: Loctite (R&D) LimitedInventors: Ciaran B. McArdle, Joseph Burke, Edward K. Welch, II
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Patent number: 6165696Abstract: A process for applying marks, letterings and/or structures on the surface of a card, comprising the steps of applying varnish that includes a photo-initiator and/or color printing ink that includes a photo-initiator on the surface of the card; and before the entire hardening of the varnish and/or the color printing ink, exposing the varnish and/or color printing ink in selected areas that define shapes of the marks, letterings and/or structures to ultraviolet light so that the degree of shine in the selected areas changes relative to surrounding areas.Type: GrantFiled: November 25, 1997Date of Patent: December 26, 2000Assignee: Orga Kartensysteme GmbHInventor: Dirk Fischer
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Patent number: 6162510Abstract: A method for manufacturing a color filter comprises a step for charging an ink comprising a thermosetting resin composition onto an opening of a black matrix provided on a transparent substrate and a step for curing the ink by heat treatment. The thermosetting resin composition comprises either a coloring agent, a multifunctional epoxide having at least two glycidyl groups and a compound crosslinked by the multifunctional epoxide; or a coloring agent, a cellulose-reactive compound and a compound crosslinked by the cellulose-reactive compound.Type: GrantFiled: June 7, 1999Date of Patent: December 19, 2000Assignee: Canon Kabushiki KaishaInventors: Akio Kashiwazaki, Katsuhiro Shirota, Koichiro Nakazawa, Masashi Hirose
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Patent number: 6158858Abstract: The color filter manufacturing method for improving precision in correcting color unevenness of a screen surface by eliminating the influence of measurement errors and variance in the ink discharge amount, includes the steps of: coloring a coloring-target medium, using at least two different ink discharge densities, and measuring color densities of colored portions of the coloring-target medium; obtaining a relationship between the color density and ink discharge density based on the respective color densities of the colored portions colored by the at least two different ink discharge densities and corresponding ink discharge densities; and determining an ink discharge density which attains a desired color density based on the obtained relationship between the color density and ink discharge density, and discharging ink onto the color filter substrate at the determined ink discharge density, thereby coloring the color filter substrate.Type: GrantFiled: March 12, 1998Date of Patent: December 12, 2000Assignee: Canon Kabushiki KaishaInventors: Hiroshi Fujiike, Makoto Akahira, Satoshi Wada, Yoshitomo Marumoto, Tadao Saito
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Patent number: 6149983Abstract: Disclosed herein is a game ball, such as a golf ball, having an indicia formed from a UV curable ink containing aluminum trihydroxide (ATH) filler. The ATH improves pad transfer of the ink. An ink composition suitable for pad printing, and a method for applying an indicia to a game ball also are disclosed. The UV curable ink has excellent pad transfer properties, and good durability.Type: GrantFiled: March 19, 1999Date of Patent: November 21, 2000Assignee: Spalding Sports Worldwide, Inc.Inventor: Viktor Keller
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Patent number: 6136382Abstract: A primer composition for radiation curable inks comprising 75-99.99% water, 0.01-20% of a silane coupling agent having the general formula: ##STR1## and 0.Type: GrantFiled: February 23, 1998Date of Patent: October 24, 2000Assignee: Deco Patents, Inc.Inventors: Melvin Edwin Kamen, Dexin Luo, Ming Hu
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Patent number: 6113992Abstract: A laser marking apparatus and method for marking the surface of a semiconductor chip are described herein. A laser beam is directed to a location on the surface of the chip where a laser reactive material, such as a pigment containing epoxy, is present. The heat associated with the laser beam causes the laser reactive material to fuse to the surface of the chip, creating a visibly distinct mark in contrast to the rest of the surface of the chip. Only reactive material contacted by the laser fuses to the chip surface, and the remaining residue on the non-irradiated portion can be readily removed.Type: GrantFiled: July 20, 1999Date of Patent: September 5, 2000Assignee: Micron Technology, Inc.Inventor: Tim J. Corbett
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Patent number: 6096386Abstract: A method is proposed with which chemically defined bodies can be deposited on a substrate. Therefor, the bodies are fixed with a predetermined orientation on a stamping means which is then approached to the substrate whereby the bodies are deposited. While releasing the stamping means the bodies remain on the substrate keeping their orientation.Type: GrantFiled: April 29, 1998Date of Patent: August 1, 2000Assignee: International Business Machines CorporationInventors: Hans Biebuyck, Emmanuel Delamarche, Bruno Michel
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Patent number: 6093455Abstract: A method for decorating a vitreous article, in particular, a glass substrate, comprising applying to the glass in a predetermined design a radiation curable ink composition which is (i) operable when cured to bond to glass, and (ii) strippable from the glass upon exposure to alkali, and curing the ink on the glass by exposing it to the radiation by which it is curable, thereby bonding the ink to the glass; and related compositions; as well as a method for stripping the decorative indicia from glass upon exposure to alkali, and the related compositions.Type: GrantFiled: June 3, 1997Date of Patent: July 25, 2000Assignee: Deco Patents, Inc.Inventors: Melvin Edwin Kamen, Ming Hu
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Patent number: 6090865Abstract: Compounds of formula (I), ##STR1## wherein X is CH, C--CH.sub.3, C--Cl, C--O--C.sub.1 -C.sub.8 alkyl or N; R is C.sub.1 -C.sub.6 alkyl, benzyl, CH.sub.2 COOR.sub.3 or a group (a); R.sub.1 is C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.12 alkyl, halogen, NO.sub.2, benzyloxy or phenyloxy, wherein the phenyl ring in the benzyloxy or phenyloxy group is unsubstituted or substituted by C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.12 alkyl, halogen or CF.sub.3 ; R.sub.2 is C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.12 alkyl, benzyloxy or phenyloxy, wherein the phenyl ring in the benzyloxy or phenyloxy group is unsubstituted or substituted by C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.12 alkyl, halogen or CF.sub.3 ; R.sub.3 is hydrogen, C.sub.1 -C.sub.12 alkyl or benzyl; Y is unsubstituted or C.sub.1 -C.sub.6 alkoxy-substituted C.sub.1 -C.sub.6 alkyl, or Y is C.sub.1 -C.sub.6 alkoxy, halogen, CF.sub.3, NO.sub.2, benzyloxy or phenyloxy, wherein the phenyl ring in the benzyloxy or phenyloxy group is unsubstituted or substituted by C.Type: GrantFiled: October 26, 1998Date of Patent: July 18, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Christopher Curtis Dudman, Allan Francis Cunningham, Martin Kunz
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Patent number: 6037042Abstract: A label sheet comprises a substrate and an adhesive layer formed by applying an adhesive agent to a surface of the substrate, said adhesive layer being formed only on a limited area of the surface. With such an arrangement and if it is part of a larger label sheet or a multi-layer structure of label sheets, it can be stripped off easily from the remaining part. If perforations are formed in adhesive free areas, they do not produce any projections of the applied adhesive agent so that the final product can be handled with ease. Additionally, by forming an adhesive-repellent layer on the outer surface with an ink type adhesive-repellent agent, the overall manufacturing process can be simplified and the product is adapted to making by hand.Type: GrantFiled: July 11, 1997Date of Patent: March 14, 2000Assignee: Toppan Moore Co., Ltd.Inventors: Takahiro Kato, Yoshiyki Takemura, Tsutomu Sakai, Takeshi Hiwatari, Kenji Takahashi
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Patent number: 6033740Abstract: According to the present invention there is provided a method for making lithographic printing plates including the steps of dispensing in a predetermined pattern curable hydrophobic ink from a printhead of a printer onto a lithographic base or polymerizable ink from a printhead of a printer onto a lithographic base which is coated with a polymerization initiator by spraying droplets of the ink onto the lithographic base in the predetermined pattern and curing the sprayed droplets of the ink upon the lithographic base, characterized in that the lithographic base comprises a flexible support having a cross-linked hydrophilic surface.Type: GrantFiled: December 16, 1998Date of Patent: March 7, 2000Assignee: Agfa-Gevaert, N.V.Inventors: Leo Oelbrandt, Luc Leenders, Stefaan De Meutter, Luc Vanmaele
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Patent number: 6022906Abstract: Compounds of the formulae I, II, III and IV ##STR1## wherein Ar for example is a phenyl, biphenyl or benzoylphenyl group, which is unsubstituted or substituted; Ar.sub.1, for example, has the same meanings as Ar; Ar.sub.2 is inter alia phenyl; X may be a direct bond; Y hydrogen, etc.; R.sub.1 and R.sub.2 for example C.sub.1 -C.sub.8 alkyl; R.sub.3 inter alia hydrogen or C.sub.1 -C.sub.12 alkyl; R.sub.4 is inter alia C.sub.1 -C.sub.12 alkyl; or R.sub.3 and R.sub.4 together are C.sub.3 -C.sub.7 alkylene; R.sub.5 is for example C.sub.1 -C.sub.6 alkylene; and Z is a divalent radical; provided that at least one of the radicals Ar, Ar.sub.1, Ar.sub.2, Ar.sub.3, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 or Y is substituted by 1 to 5 SH groups, or provided that Y contains at least one --SS-- group, are photoinitiators for the polymerization of ethylenically unsaturated compounds.Type: GrantFiled: December 1, 1997Date of Patent: February 8, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Masaki Ohwa, Hitoshi Yamoto, Jean-Luc Birbaum, Hiroko Nakashima, Akira Matsumoto, Hidetaka Oka
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Patent number: 6013330Abstract: Ultraviolet radiation curing of inks on game balls, golf balls and the like is disclosed. Production inks, logo inks and methods for forming production prints and logos on golf balls, game balls and the like are disclosed. To form an ultraviolet radiation curable water-insoluble production ink, at least an adhesion promoting component is added to an ink base.Type: GrantFiled: February 27, 1997Date of Patent: January 11, 2000Assignee: Acushnet CompanyInventor: Mitchell E. Lutz
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Patent number: 5989650Abstract: A recording medium is composed of a substrate and an ink receiving layer provided on at least one side of the substrate, wherein the ink receiving layer is composed of a composition or a cured product thereof containing at least (A) a polyvinyl acetal resin having acetal groups, acetyl groups and hydroxyl groups, (B) a monomer having an active energy ray curable ethylenic unsaturated group, and (C) a cationic resin, at a ratio (B)/(A) within the range of 1/100 to 5/1, and a ratio (C)/((A)+(B)) of 0.5/100 to 30/100.Type: GrantFiled: April 1, 1997Date of Patent: November 23, 1999Assignee: Canon Kabushiki KaishaInventors: Tadayoshi Inamoto, Shinichi Tochihara
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Patent number: 5985377Abstract: A laser marking apparatus and method for marking the surface of a semiconductor chip are described herein. A laser beam is directed to a location on the surface of the chip where a laser reactive material, such as a pigment containing epoxy, is present. The heat associated with the laser beam causes the laser reactive material to fuse to the surface of the chip, creating a visibly distinct mark in contrast to the rest of the surface of the chip. Only reactive material contacted by the laser fuses to the chip surface, and the remaining residue on the non-irradiated portion can be readily removed.Type: GrantFiled: September 30, 1997Date of Patent: November 16, 1999Assignee: Micron Technology, Inc.Inventor: Tim J. Corbett
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Patent number: 5985376Abstract: An apparatus and method enables screen printing various articles such as glassware with a radiation curable composition using, for example, UV radiation and the like in pre-existing screen printing decorating equipment having a plurality of screen printing workstations. Particularly suitable compositions are those which are environmentally safe by virtue of being free of toxic heavy metals and volatile organic compounds. The applied inked image is at least partially cured at each screen printing workstation to form a skin on the surface of the transferred image of sufficient strength to support the next layer to be applied. The UV radiation may emanate opposing and underlying each of the screen printing workstations were brought thereto from a remotely positioned laser via a fiber optic bundle or light pipe.Type: GrantFiled: May 1, 1995Date of Patent: November 16, 1999Assignee: Revlon Consumer Products CorporationInventor: Melvin Edwin Kamen
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Patent number: 5972545Abstract: A method for making color filters for liquid crystal display panels. A raised pattern corresponding to the desired black matrix pattern is formed on a substrate, e.g., by an embossing means. A plurality of colored ink patterns is formed in the appropriate location within the boundaries formed by the raised pattern, thereby forming the multicolor image that will become the color filter.Type: GrantFiled: June 12, 1997Date of Patent: October 26, 1999Assignee: Corning IncorporatedInventors: Bernard Eid, Ronald E. Johnson
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Patent number: 5972544Abstract: A process for preparing an optical filter comprising a colored cross-linked polymeric coating an a transparent substrate, which comprises applying to the substrate, by a printing process, a mixture comprising one or more polymer precursor(s), and one or more dye(s) having one or more heterocyclic NH group(s) or one or more substituent(s) capable of forming a covalent bond with the polymeric precursor, and thereafter using the mixture. The invention also provides formulations comprising one or more polymer precursors and dyes, optical filters, and a novel dye.Type: GrantFiled: December 9, 1996Date of Patent: October 26, 1999Assignee: Zeneca LimitedInventors: Kathryn Carr, Mark Holbrook, Ian Ferguson
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Patent number: 5968607Abstract: In order to achieve deposit of very complex embossed designs which require thick layers of inks or paints in sharply defined patterns on flexible sheet substrate material suitable for packaging and high-volume production, a new combination of production sheet-fed printing elements is disclosed. As the typical materials will be sheet material supplied on rollers, a continuous process of moving the material from a supply roller to a take-up roller through a series of application and curing steps is provided, including elements for the steps of thick-deposit of design print material, embossing or impressing the deposited material, curing the material and sealing or covering the print material, and taking up the imprinted material for further shaping or processing.Type: GrantFiled: December 10, 1997Date of Patent: October 19, 1999Assignee: Chromium GraphicsInventor: Douglas I. Lovison