Patents by Inventor Aidan Joseph Lavery
Aidan Joseph Lavery has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6926936Abstract: An ink-jet recording material having a high ozone resistance comprises at least one ink-absorbing and at least one dye-fixing layer wherein on the top and/or bottom side of the dye-fixing layer, at least one water-soluble compound exhibiting ionic charge centres is arranged, which compound exhibits a dissociation constant in the region of 1×10?3 to 1×10?14 with a conductivity range ? of 6 to 25 ms at a temperature of 25° C.±1° C. in a 0.1 molar aqueous solution.Type: GrantFiled: May 20, 2003Date of Patent: August 9, 2005Assignee: Felix Schoeller Jr. Foto-und Spezialpapiere GmbH & Co. KGInventors: Richard A. Barcock, Douglas J. Brownbridge, Natasha M. Dimbleby, Aidan Joseph Lavery, Robert M. Phillips
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Publication number: 20030219611Abstract: An ink-jet recording material having a high ozone resistance comprises at least one ink-absorbing and at least one dye-fixing layer wherein on the top and/or bottom side of the dye-fixing layer, at least one water-soluble compound exhibiting ionic charge centres is arranged, which compound exhibits a dissociation constant in the region of 1×10−3 to 1×10−14 with a conductivity range &lgr; of 6 to 25 ms at a temperature of 25° C.±1° C. in a 0,1 molar aqueous solution.Type: ApplicationFiled: May 20, 2003Publication date: November 27, 2003Applicant: Felix Schoeller jr. Foto-und Spezialpapiere GmbH & Co. KGInventors: Richard A. Barcock, Douglas J. Brownbridge, Natasha M. Dimbleby, Aidan Joseph Lavery, Robert M. Phillips
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Publication number: 20030152721Abstract: An ink-jet recording material comprising a support material and at least a lower and an upper pigment-containing layer wherein the pigment of the upper layer is present in two particle size distributions (A, B) and one particle size distribution (A) is in the range of 10 to 100 nm and the other particle size distribution (B) is in the range of 1,000 to 3,000 nm, and wherein the pigment of the upper layer is different from the pigment of the lower layer and wherein the average particle size of the pigment of the upper layer is different from the average particle size of the pigment of the lower layer.Type: ApplicationFiled: January 23, 2002Publication date: August 14, 2003Inventors: Richard Anthony Barcock, Alastair Stuart Dodds, Aidan Joseph Lavery, Marguerite Claire Quinn
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Patent number: 6551390Abstract: Compositions comprising (a) a dye of the Formula (1) or a salt thereof; and (b) a dye of the Formula (2) or a salt thereof: wherein R1 to R10, a and b are as defined in the description. Also claimed are liquid compositions and inks containing the dyes, an ink jet printing process using the inks, an ink jet printer cartridge containing the ink and an ink jet printer containing the cartridge.Type: GrantFiled: June 22, 2001Date of Patent: April 22, 2003Assignee: Avecia LimitedInventors: Aidan Joseph Lavery, Janette Watkinson, Paul Francis Mahon
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Publication number: 20030049419Abstract: An ink-jet recording material, having a carrier and at least one lower layer, possibly containing pigment, and one upper layer, containing pigment, contains a mixture, which contains at least one radical inhibitor and at least one UV absorber, in the upper or lower layer in a quantitative proportion of 1:1 to 6:1 and allows, in addition to higher lightfastness, greater color range, high image resolution, high ability to absorb ink, and short drying time.Type: ApplicationFiled: March 25, 2002Publication date: March 13, 2003Inventors: Richard Anthony Barcock, Douglas Brownbridge, Aidan Joseph Lavery
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Patent number: 6485139Abstract: An ink-jet printing process comprising the steps (a) and (b) in any order or simultaneously: (a) applying by means of an ink jet printer an ink to a substrate in a localised manner to form an image on the substrate; and (b) applying to the substrate a composition comprising a binder and a polymeric biguanide which has a repeat unit of Formula (1) or a salt thereof: wherein X and Y are the same or different and represent divalent organic linking groups.Type: GrantFiled: May 15, 2001Date of Patent: November 26, 2002Assignee: Avecia LimitedInventors: Aidan Joseph Lavery, Janette Watkinson, Tom Annable
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Patent number: 6482255Abstract: Compounds of the Formula (1) and salts thereof: wherein B1, B2, Q, R1, R2, A, Z1 and Z2 are defined in the description. Also claimed are compositions containing two or more compounds of the Formula (1), inks containing the compounds and compositions, an ink jet printing process using the inks, a substrate printed with the inks, and an ink jet printer cartridge containing an ink containing a compound of the Formula (1).Type: GrantFiled: June 26, 2000Date of Patent: November 19, 2002Assignee: Avecia LimitedInventors: Aidan Joseph Lavery, Colin Dick Robertson, Janette Watkinson, Kathryn Carr, Paul Wight
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Patent number: 6395885Abstract: The use of lithium as a cation for an anionic dye to enhance the light-fastness of the dye. Also claimed are the lithium salts of certain anionic dyes as defined in the description; mixed lithium/sodium salts of an anionic dye wherein the molar ratio of lithium to sodium is from 1:4 to 99:1 and at least 20 mole % of the total counter ions in the dye are lithium cations; inks containing the dyes; a method of ink jet printing using the inks; a substrate printed with the inks; an ink jet printer cartridge containing the ink and a ink jet printer containing the ink jet printer cartridge.Type: GrantFiled: December 5, 2000Date of Patent: May 28, 2002Assignee: Avecia LimitedInventors: Aidan Joseph Lavery, Janette Watkinson, John Parker Meyers
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Patent number: 6379442Abstract: A composition comprising: (a) a water-soluble magenta dye; and (b) a dye of the Formula (1) or a salt thereof: wherein R1, R2, R3 are defined in the description.Type: GrantFiled: April 6, 2000Date of Patent: April 30, 2002Assignee: Avecia LimitedInventors: Aidan Joseph Lavery, Bachaspati Roy, Janette Watkinson, Mark Kenworthy
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Patent number: 6319309Abstract: The use of a polybasic acid and a volatile base, or a salt formed by the said acid and base, in an aqueous ink to increase the water-fastness of a water-soluble dye contained in the ink. Also claimed are novel aqueous inks containing an organic polybasic acid and a volatile base, a method of ink jet printing using the inks, a substrate printed with the inks and an ink jet printer cartridge containing the inks.Type: GrantFiled: December 23, 1999Date of Patent: November 20, 2001Assignee: Avecia LimitedInventors: Aidan Joseph Lavery, Janette Watkinson, Mark Robert James
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Patent number: 6267806Abstract: Disclosed are compositions useful in inks suitable for ink jet printing.Type: GrantFiled: December 4, 1998Date of Patent: July 31, 2001Assignee: Zeneca LimitedInventors: Aidan Joseph Lavery, John Edward Presgrave
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Patent number: 6254669Abstract: A compound of the Formula (1) and salts thereof: wherein: Ar, Ar1, J, J1, X, X1 W, W1, L and m are as defined in the description. The compounds of Formula (1) are useful as additives in inks, especially ink jet printing inks, for reducing color bleed between adjacent printed regions. Also claimed are inks containing a compound of the Formula (1), a method of ink jet printing using the inks, a substrate printed with the ink and an ink jet printer cartridge containing the ink.Type: GrantFiled: August 5, 1999Date of Patent: July 3, 2001Assignee: Zeneca LimitedInventors: Aidan Joseph Lavery, Prahalad Manibhai Mistry, Ronald Wynford Kenyon
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Patent number: 6251174Abstract: A composition comprising: (i) a dye of Formula (1) or a salt thereof: wherein n is 0 or 1; and (ii) at least one dye selected from a dye of the Formula (2), (3), (4), (5), (6), (7) and salts thereof as defined in the description. Also claimed are the above compositions further comprising a water-soluble yellow dye and optionally a water-soluble cyan dye; inks containing the compositions; an ink jet printing process using the inks; and a substrate printed with the inks.Type: GrantFiled: December 23, 1999Date of Patent: June 26, 2001Assignee: Avecia LimitedInventors: Aidan Joseph Lavery, John Parker Meyers
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Patent number: 6231653Abstract: An ink composition comprising: (a) from 0.1 to 50 parts of a dye; (b) from 0.1 to 50 parts of a sugar; (c) from 0.1 to 50 parts of a compound selected from phosphoric acid and a carboxylic acid or a salt thereof; (d) from 0 to 10 parts of a pH buffer; and (e) from 10 to 99 parts of a liquid medium; wherein all parts are by weight and the total number of parts (a)+(b)+(c)+(d)+(e)=100. Also claimed is a recording sheet comprising a substrate coated or impregnated with a sugar, a compound selected from phosphoric acid and a carboxylic acid or a salt thereof and optionally a binder; a coating composition; a method of ink jet printing; a substrate printed according to the method; and an ink jet printer cartridge which contains the ink and/or the coating composition.Type: GrantFiled: December 15, 1998Date of Patent: May 15, 2001Assignee: Zeneca LimitedInventors: Aidan Joseph Lavery, Janette Watkinson
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Patent number: 5876491Abstract: Ink compositions comprising an aqueous medium containing:(1) at least one water-soluble dye;(2) at least one cyclic ester or amide of the formula: ##STR1## wherein m is a whole number from 3 to 5 and X represents --O-- or --N(R)-- in which R represents hydrogen, alkyl or substituted alkyl;(3) at least one hydroxy compound selected from polyhydroxy compounds having at least four hydroxy groups, optionally substituted cycloalkanols, cyclohexane dimethanol, benzyl alcohol, benzene dimethanol, phenol and polyhydroxybenzenes, and(4) at least one water-soluble organic solvent selected from alkanediols, alkanetriols, ether glycols and thioether glycols and suitable for use in inkjet printing processes for coloration of substrates such as paper or overhead projector slides.Type: GrantFiled: October 29, 1997Date of Patent: March 2, 1999Assignee: Zeneca LimitedInventors: Janet Gunn, Mark Holbrook, Aidan Joseph Lavery