Patents Represented by Attorney Steven C. Benjamin
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Patent number: 7399351Abstract: The present invention pertains to a pigment based inkjet ink and ink set. More particularly the invention pertains to an ink that is red, green or blue in color comprised of certain pigment combinations. The invention further pertains to an ink set comprised of at least one red, green or blue ink and most preferably to an ink set with at least six differently colored inks that includes a cyan, magenta, yellow, red, blue and green ink.Type: GrantFiled: June 9, 2005Date of Patent: July 15, 2008Assignee: EI du Pont de Nemours and CompanyInventors: Christian Jackson, Richard Douglas Bauer
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Patent number: 7282089Abstract: The present invention pertains to a dye-based inkjet ink set and, more particularly, to a dye-based inkjet ink set suitable for printing on polyamide fabric.Type: GrantFiled: November 4, 2005Date of Patent: October 16, 2007Assignee: E.I. du Pont de Nemours and CompanyInventors: James Walter Wheeler, John Stephen Locke, Samit N. Chevli, Sandra Laurine Issler, Alicia Marie Walsh
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Patent number: 7279032Abstract: The present invention pertains to a yellow ink for inkjet printing and, in particular, to a yellow ink comprising a combination of specific yellow colorants. The present invention further pertains to an ink set comprising this yellow ink. The ink and ink set are particularly advantageous for printing on plain paper.Type: GrantFiled: July 19, 2006Date of Patent: October 9, 2007Assignee: E.I. du Pont de Nemours & CoInventors: James Walter Wheeler, Kuo Hsiung Kung, Sandra Laurine Issler, Jose Esteban Valentini, William Thomas Hall
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Patent number: 7233413Abstract: This invention pertains to a computer-implemented method and program for the comparison of color gamuts. Using first and second collections of sample color points respective hulls are created in a color space. The set of all of the points disposed on the surface of the a hull or within the volume enclosed thereby represents the respective color gamut. The hulls are combined, preferably by a Boolean operation, to create a third hull in the color space representing at least one region of overlap or at least one region of exclusion between the first color gamut and the second color gamut. The volume of at least one of the hulls may be calculated and compared to the volume of the region of overlap and/or the region of exclusion.Type: GrantFiled: November 22, 2002Date of Patent: June 19, 2007Assignee: E. I. du Pont de Nemours and CompanyInventors: David Edward Jones, John Stephen Locke
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Patent number: 7223300Abstract: The present invention pertains to a dye-based inkjet ink set that includes a red disperse dye and, more particularly, to a dye-based inkjet ink set suitable for printing on polyester and polyester blends fabrics. The present invention also pertains to a method for printing polyester and polyester blends fabrics with the dye-based inkjet ink set, and a polyester and polyester blends fabrics so printed.Type: GrantFiled: October 19, 2005Date of Patent: May 29, 2007Assignee: E. I. du Pont de Nemours and CompanyInventor: Samit N. Chevli
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Patent number: 7211130Abstract: This invention pertains to an aqueous disperse dye black ink and inkjet ink set containing this disperse dye black ink. The ink and ink sets are especially suitable for printing of textiles, especially polyester and polyester blends.Type: GrantFiled: November 16, 2005Date of Patent: May 1, 2007Assignee: E. I. du Pont de Nemours and CompanyInventor: Samit N. Chevli
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Patent number: 7211129Abstract: The present invention pertains to a dye-based inkjet ink set and, more particularly, to a dye-based inkjet ink set suitable for printing on polyamide fabric. The present invention also pertains to a method for printing a polyamide fabric with the dye-based inkjet ink set, and a polyamide fabric so printed.Type: GrantFiled: July 1, 2005Date of Patent: May 1, 2007Assignee: E. I. du Pont de Nemours and CompanyInventors: James Walter Wheeler, John Stephen Locke, Samit N. Chevli, Sandra Laurine Issler, Alicia Marie Walsh
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Patent number: 7192472Abstract: The instant invention pertains to an inkjet ink composition comprising a soluble colorant and a vehicle, wherein the vehicle comprises an aqueous continuous phase and a microemulsified oil phase. The invention also pertains to an ink set containing this inkjet ink, as well as methods of printing using the inkjet ink and/or ink set.Type: GrantFiled: September 13, 2004Date of Patent: March 20, 2007Assignee: E. I. du Pont de Nemours and CompanyInventor: Clarence Gaetano Hermansky
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Patent number: 7122078Abstract: The invention relates to an ink jet ink composition containing monodisperse polymer particles to provide an opaque ink with improved color brilliancy, ink jet ink sets based on this composition, and a methods for ink jet printing with the ink and/or ink jet sets.Type: GrantFiled: December 2, 2004Date of Patent: October 17, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Peter Frese, Richard D. Bauer, Marc Egen, Klaus Taennert, Martin Wulf, Rudolf Zentel
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Patent number: 7087672Abstract: A non-yellowing coating composition particularly useful as primer that has a low VOC and excellent adhesion and chip resistance and comprises an aqueous coating composition having a VOC of less than 0.12 kg/L (1.0 pounds/gallon) comprising 25-70% by weight of a film forming binder and correspondingly, 75-30% by weight of an aqueous carrier for the binder and the composition contains pigment in a pigment to binder weight ratio of 5/100 to 150/100 and has a pH of 7-10; wherein the binder comprises a. 50-90% by weight, based on the weight of the binder, of a blend of the following constituents: a dispersed acrylic polymer, a dispersed polyester having an acid value of 15-60, a number average molecular weight from 1500-7000 and a hydroxyl value of not more than 95 and a hydroxy terminated component that is either a polyalkylene ether polyol or a urethane diol or a mixture of the above hydroxy terminated components, and b.Type: GrantFiled: May 8, 2002Date of Patent: August 8, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: San C. Yuan, Mitchell S. Chinn
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Patent number: 7071242Abstract: A process for the production of polyurethane di(meth)acrylates in which a diisocyanate component, a diol component and hydroxy-C2–C4-alkyl (meth)acrylate in the molar ratio x:(x?1):2 are reacted without solvent and without subsequent purification operations, wherein x means any desired value from 2 to 5, wherein 50 to 80 mol % of the diisocyanate component is formed by 1,6-hexane diisocyanate, and 20 to 50 mol % by one or two diisocyanates, each forming at least 10 mol % of the diisocyanate component and being selected from the group consisting of toluylene diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate, isophorone diisocyanate, trimethylhexane diisocyanate, cyclohexane diisocyanate, cyclohexanedimethylene diisocyanate and tetramethylenexylylene diisocyanate, wherein the mol % of the respective diisocyanates add up to 100 mol %, wherein the diol component comprises no more than four different diols, and 20 to 100 mol % of the diol component is formed by at least one linear aliphaType: GrantFiled: October 13, 2004Date of Patent: July 4, 2006Assignee: E. I. duPont de Nemours and CompanyInventors: Carmen Flosbach, Stefanie Matten
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Patent number: 7070130Abstract: An electrode ring suitable for providing electrostatic assistance to the high-speed rotary application of spray coatings and having electrode fingers comprising electrode tips, wherein the electrode ring is constructed so as to be capable of performing rotational movements about the axis directed through the center of the circle thereof.Type: GrantFiled: August 1, 2003Date of Patent: July 4, 2006Assignee: E. I. duPont de Nemours and CompanyInventor: Peter Minko
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Patent number: 7067047Abstract: Use of water-insoluble organic nitrites and/or nitrates as additives for electrodeposition coating compositions, and process for the production of an electrodeposition lacquer with improved adhesion for subsequent coats in which one or more water-insoluble organic nitrites and/or nitrates is added to the electrodeposition coating composition and the coating film obtained by electrodeposition is stoved in an indirectly heated circulating air oven.Type: GrantFiled: November 29, 2000Date of Patent: June 27, 2006Assignee: E. I. duPont de Nemours and CompanyInventors: Norbert David, Klausjörg Klein, Walter Kühhibi
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Patent number: 7045002Abstract: This invention pertains to an ink set for inkjet printing, in particular to an ink set wherein all the inks are mutually interactive so as to reduce bleed of one color into another. The invention also pertains to a method of inkjet printing with this mutually interactive ink set.Type: GrantFiled: November 6, 2003Date of Patent: May 16, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Richard Douglas Bauer, Clarence Gaetano Hermansky, William Thomas Hall
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Patent number: 7034072Abstract: An aqueous coating composition comprising (a) 10 to 60 wt % of an aqueous dispersion comprising water and one or more water-dilutable binders selected from the group of polymethacrylic, polyacrylic, polyester, polyurethane, hybride polyacrylic/polyester or polyacrylic/polyurethane, epoxy modified binders, with linear, branched or star structure and any mixtures thereof, the amount of said water constituting at least 15 wt % based on the total weight of said component a), (b) 5 to 40 wt % of one or more water-dispersible polyisocyanates or mixtures of water-dispersible and water-emulsifiable polyisocyanates, blocked or unblocked, (c) 5 to 70 wt % of filler material, (d) 1 to 40 wt % of a ground polymer material, (e) 0 to 15 wt % of organic co-solvents, (f) 0.01 to 15 wt % of additives, pigments and fillers, and (g) 3 to 30 wt % of water and the invention is directed to a process for applying the aqueous coating to substrates to form decorative surfaces and to the resulting coated substrates.Type: GrantFiled: July 22, 2003Date of Patent: April 25, 2006Assignee: E. I. duPont de Nemours and CompanyInventor: Richard Milic
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Patent number: 7022778Abstract: The invention relates to coating compositions comprising: A) at least one low molecular weight reactive compound with a molecular weight (Mn) of 300–1,500 g/mol, preferably of 300–1,200 g/mol, with at least one secondary and/or tertiary amino group and at least two hydroxyl groups per molecule, which compound is obtained by reacting A1) at least one hydroxyalkyl ester of an olefinically unsaturated carboxylic acid with 2–12 C atoms in the hydroxyalkyl residue with A2) at least one lactone and with A3) at least one hydroxy-functional alkyl-, cycloalkyl- and/or alkoxyamine with at least one primary and/or secondary amino group per molecule and with 2–10 C atoms per molecule, B) at least one cross-linking agent with functional groups reactive towards active hydrogen and optionally, C) at least one binder with functional groups containing active hydrogen.Type: GrantFiled: November 18, 2003Date of Patent: April 4, 2006Assignee: E. I. duPont de Nemours and CompanyInventors: Gerhard Bremer, Hans-Juergen Gawin, Hermann Kerber
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Patent number: 7019070Abstract: An aqueous coating composition having a pH of 6.0–10.0 comprises 30% to 70% by weight of film-forming binder and correspondingly 70% to 30% by weight of an aqueous liquid carrier for the binder; wherein the binder comprises a. 20% to 95% by weight, based on the weight of the binder, of a urethane oligomer having a weight average molecular weight of 300 to 2500 and having acid functionality and neutralized with an amine and to form a water-dispersible product; and b. 5% to 80% by weight, based on the weight of the binder, of a water-compatible alkylated melamine formaldehyde crosslinking agent; finishes formed from the composition have good gloss and distinctness of image and excellent acid etch and mar resistance.Type: GrantFiled: June 13, 2002Date of Patent: March 28, 2006Assignee: E. I. dupont de Nemours and CompanyInventors: Ding Yu Chung, Peter W. Uhlianuk, Donald A. Paquet, Jr.
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Patent number: 7001643Abstract: Plastics moulded parts, suitable for the motor vehicle sector, consisting of a transparent plastics material the rear face of which is provided with a colour- and/or effect-producing lacquer.Type: GrantFiled: May 9, 2000Date of Patent: February 21, 2006Assignee: E. I. duPont de Nemours and CompanyInventors: Joachim Blum, Manfred Mass, Helga Stegen
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Patent number: 7001943Abstract: A curable coating composition with holdout capability, and methods of use thereof, useful in providing a chip resistant two-tone finish in a reduced number of coating steps and curing cycles, which contains a hydroxyl-functional polyester resin, or a plurality of hydroxyl-functional polyester resins, with an average hydroxyl functionality of at least 2.1, a hydroxyl number of 75 to 400 mg KOH/g, a number average molecular weight of 1,000 to 10,000, an acid number of 1 to 30; a curing agent; and, a barium sulfate pigment This invention is also directed to method for coating a substrate with the above coating composition.Type: GrantFiled: October 17, 2003Date of Patent: February 21, 2006Assignee: E. I. duPont de Nemours and CompanyInventors: San C. Yuan, Mary Ann Haslett
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Patent number: 6977650Abstract: A process for the generation of a computer image of a coated, three-dimensional object involves applying at least a relevant coating layer on at least two test panels under the influence of a set of coating parameters which differs with respect to each panel; taking a plurality of measurements of at least one optical surface property as a function of the set of coating parameters selected on application of the relevant coating layer on each panel; storing the optical data in a datafile with assignment of the relevant set of coating parameters; facetting the visible surface(s) of a three-dimensional object by computer into a sufficient number of flat polygonal areas each being sufficiently small for the sufficiently accurate description of the surface topography; assigning the relevant set of coating parameters and associated optical data in each case to each individual polygonal area by computer; and assembling the polygonal areas into a computer image of the three-dimensional object.Type: GrantFiled: April 24, 2001Date of Patent: December 20, 2005Assignee: E. I. duPont de Nemours and CompanyInventors: Christian Voye, Peter Minko, Marc Chilla