Patents by Inventor M. Zaki Ali

M. Zaki Ali 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).

  • Publication number: 20190278183
    Abstract: A method for processing a photosensitive flexographic printing plate having an aqueous-processable photopolymer. A main processing unit is used to develop a relief image by removing unexposed photopolymer using an aqueous processing solution including a first dispersing agent while the photosensitive flexographic printing plate is being subjected to mechanical cleaning. Used aqueous processing solution containing the removed photopolymer is returned back into a processing solution tank. A secondary processing unit is used to wash the developed relief image with secondary aqueous processing solution including a second dispersing agent to remove debris from the developed relief image. Used secondary aqueous processing solution containing the removed photopolymer is directed into the processing solution tank. A portion of the aqueous processing solution from the processing solution tank is removed to keep a volume of aqueous processing solution in the processing solution tank below a predefined maximum volume.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 12, 2019
    Applicant: MIRACLON CORPORATION
    Inventors: Donald L. Swihart, Fredrick Charles Mellema, David Edgar Brown, M. Zaki Ali
  • Patent number: 10324378
    Abstract: A method for processing a photosensitive flexographic printing plate having an aqueous-processable photopolymer. A main processing unit is used to develop a relief image by removing unexposed photopolymer using an aqueous processing solution including a first dispersing agent while the photosensitive flexographic printing plate is being subjected to mechanical cleaning. Used aqueous processing solution containing the removed photopolymer is returned back into a processing solution tank. A secondary processing unit is used to wash the developed relief image with secondary aqueous processing solution including a second dispersing agent to remove debris from the developed relief image. Used secondary aqueous processing solution containing the removed photopolymer is directed into the processing solution tank. A portion of the aqueous processing solution from the processing solution tank is removed to keep a volume of aqueous processing solution in the processing solution tank below a predefined maximum volume.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: June 18, 2019
    Assignee: MIRACLON CORPORATION
    Inventors: Donald L. Swihart, Fredrick Charles Mellema, David Edgar Brown, M. Zaki Ali
  • Publication number: 20190101820
    Abstract: An assembly can be used to provide flexographic printing plates. This assembly has (a) a flexographic photosensitive element consisting essentially of: a backing film, and a water-soluble or water-dispersible photosensitive layer comprising a photosensitive resin composition and having a front imaging surface and a backside imaging surface that is in contact with the backing film; and (b) a mask element directly in contact with the front imaging surface of the water-soluble or water-dispersible photosensitive layer. The water-soluble or water-dispersible photosensitive layer has a controlled release of at least 5 g/cm and up to and including 700 g/cm as established by ASTM D-3330 Method D, between the front imaging surface and the mask element.
    Type: Application
    Filed: November 30, 2018
    Publication date: April 4, 2019
    Inventors: M. Zaki Ali, Richard R. Ollmann, JR., Elsie Anderson Fohrenkamm
  • Patent number: 10207491
    Abstract: Flexographic printing members are prepared from a flexographic printing plate precursor consisting essentially of: backing film, water- or water-dispersible photosensitive layer, and cover sheet in contact with the photosensitive layer. The cover sheet is removed and a mask element is laminated directly in contact with the photosensitive layer. Exposure through the mask element provides exposed regions and non-exposed regions. The non-exposed regions are removed with an aqueous developer having: a) a C12-20 saturated or unsaturated fatty acid (or alkali metal salt) at 0.25-2.0 weight %, and at least 85 weight % of a C18 mono- or poly-unsaturated fatty acid (or alkali metal salt); b) an aminopolycarboxylic acid (or alkali metal salt) at 0.05-0.30 weight %; c) a buffer at 05-0.60 weight %; and d) water. The photosensitive layer has a controlled release of 5-500 g/cm using ASTM D-3330 Method D, between its front imaging surface and the mask element.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 19, 2019
    Assignee: EASTMAN KODAK COMPANY
    Inventors: M. Zaki Ali, Richard R. Ollmann, Jr.
  • Publication number: 20180134030
    Abstract: Flexographic printing members are prepared from a flexographic printing plate precursor consisting essentially of: backing film, water- or water-dispersible photosensitive layer, and cover sheet in contact with the photosensitive layer. The cover sheet is removed and a mask element is laminated directly in contact with the photosensitive layer. Exposure through the mask element provides exposed regions and non-exposed regions. The non-exposed regions are removed with an aqueous developer having: a) a C12-20 saturated or unsaturated fatty acid (or alkali metal salt) at 0.25-2.0 weight %, and at least 85 weight % of a C18 mono- or poly-unsaturated fatty acid (or alkali metal salt); b) an aminopolycarboxylic acid (or alkali metal salt) at 0.05-0.30 weight %; c) a buffer at 05-0.60 weight %; and d) water. The photosensitive layer has a controlled release of 5-500 g/cm using ASTM D-3330 Method D, between its front imaging surface and the mask element.
    Type: Application
    Filed: September 28, 2017
    Publication date: May 17, 2018
    Inventors: M. Zaki Ali, Richard R. Ollmann, JR.
  • Publication number: 20180004092
    Abstract: A method for processing a photosensitive flexographic printing plate having an aqueous-processable photopolymer. A main processing unit is used to develop a relief image by removing unexposed photopolymer using an aqueous processing solution including a first dispersing agent while the photosensitive flexographic printing plate is being subjected to mechanical cleaning. Used aqueous processing solution containing the removed photopolymer is returned back into a processing solution tank. A secondary processing unit is used to wash the developed relief image with secondary aqueous processing solution including a second dispersing agent to remove debris from the developed relief image. Used secondary aqueous processing solution containing the removed photopolymer is directed into the processing solution tank. A portion of the aqueous processing solution from the processing solution tank is removed to keep a volume of aqueous processing solution in the processing solution tank below a predefined maximum volume.
    Type: Application
    Filed: June 29, 2016
    Publication date: January 4, 2018
    Inventors: Donald L. Swihart, Fredrick Charles Mellema, David Edgar Brown, M. Zaki Ali
  • Publication number: 20180004090
    Abstract: A processing system for processing a photosensitive flexographic printing plate having an aqueous-processable photopolymer. A main processing unit is used to develop a relief image by removing unexposed photopolymer using an aqueous processing solution including a first dispersing agent while the photosensitive flexographic printing plate is being subjected to mechanical cleaning. Used aqueous processing solution containing the removed photopolymer is returned back into a processing solution tank. A secondary processing unit is used to wash the developed relief image with secondary aqueous processing solution including a second dispersing agent to remove debris from the developed relief image. Used secondary aqueous processing solution containing the removed photopolymer is directed into the processing solution tank.
    Type: Application
    Filed: June 29, 2016
    Publication date: January 4, 2018
    Inventors: Donald L. Swihart, Fredrick Charles Mellema, David Edgar Brown, M. Zaki Ali
  • Patent number: 8796583
    Abstract: A structured surface is formed with the method of the present invention. The method of making this structured surface includes the steps of applying an ablatable radiation sensitive coating on the major surface of the substrate, and exposing the ablatable radiation sensitive coating to radiation such that exposed portions of the ablatable radiation sensitive coating ablate from the substrate to form a structured surface. The structured surface then includes a substrate and a pattern of structures framed by at least one separation bank. The method may also include the steps of depositing a flowable material on to the structures and the separation bank to form a pattern of flowable material in the structures.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: August 5, 2014
    Assignee: Eastman Kodak Company
    Inventors: M. Zaki Ali, Elsie A. Fohrenkamm, Richard R. Ollmann, Jr., Gregory L. Zwadlo
  • Patent number: 8771925
    Abstract: A processing solution is used to provide flexographic relief printing plates. This solution includes diisopropylbenzene, and one or more organic co-solvents, at least one of which is an aliphatic dibasic acid ester. The processing solution may also include one or more alcohols as co-solvents.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: July 8, 2014
    Assignee: Eastman Kodak Company
    Inventors: Elsie A. Fohrenkamm, M. Zaki Ali, Michael B. Heller
  • Patent number: 8632961
    Abstract: A processing solution (or developer) has been designed for use to washout non-polymerized photopolymer compositions to prepare flexographic printing plates having flexographic relief images. This processing solution includes one or more esters of monobasic carboxylic acids represented by one or both of Structures (I) and (II) defined herein and one or more aliphatic or aromatic alcohols.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: January 21, 2014
    Assignee: Eastman Kodak Company
    Inventors: Elsie A. Fohrenkamm, M. Zaki Ali, Michael B. Heller, Kevin M. Kidnie
  • Publication number: 20130319275
    Abstract: A method for providing a pattern, such as printed lines, is carried out by applying ink to a surface of a substrate. The ink and substrate are chosen such that the such that the polarity (?P/?D)1/2 of the substrate surface is less than or equal to 0.6 and the difference in polarity of the substrate surface and the ink [?(Polarity)] is less than or equal to 0.1. The result is higher resolution in the printed pattern such as higher resolution in printed lines.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 5, 2013
    Inventors: Elsie A. Fohrenkamm, David E. Brown, Charles W. Simpson, M. Zaki Ali
  • Patent number: 8530117
    Abstract: The present invention involves a method for making a relief image. A film that includes a carrier sheet and an imageable material is used to form a mask image that is opaque to a curing radiation. In one embodiment, the mask image is formed on the carrier sheet while in another embodiment, the mask image is formed on a receptor sheet. The mask image is then transferred to a photosensitive material, such as a flexographic printing plate precursor. The resulting assembly is exposed to the curing radiation resulting in exposed and unexposed areas of the photosensitive material. The carrier sheet or the receptor sheet may be removed from the mask image either before or after exposure to the curing radiation. Finally, the photosensitive material and mask image assembly is developed with a suitable developer to form a relief image.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: September 10, 2013
    Assignee: Eastman Kodak Company
    Inventors: M. Zaki Ali, David E. Brown, Elsie A. Fohrenkamm, Michael B. Heller
  • Patent number: 8409790
    Abstract: The present invention involves a method for making a relief image. A film that includes a carrier sheet and an imageable material is used to form a mask image that is opaque to a curing radiation. In one embodiment, the mask image is formed on the carrier sheet while in another embodiment, the mask image is formed on a receptor sheet. The mask image is then transferred to a photosensitive material, such as a flexographic printing plate precursor. The resulting assembly is exposed to the curing radiation resulting in exposed and unexposed areas of the photosensitive material. The carrier sheet or the receptor sheet may be removed from the mask image either before or after exposure to the curing radiation. Finally, the photosensitive material and mask image assembly is developed with a suitable developer to form a relief image.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: April 2, 2013
    Assignee: Eastman Kodak Company
    Inventors: M. Zaki Ali, David E. Brown, Elsie A. Fohrenkamm, Michael B. Heller
  • Publication number: 20120308935
    Abstract: A flexographic printing plate can be prepared with relief images using a processing solution. This processing solution includes one or more esters of monobasic carboxylic acids represented by one or both of the following Structures (I) and (II): R1—C(?O)O—(CH2)n—Ar1??(I) wherein R1 is an alkyl group having 1 to 5 carbon atoms, Ar1 is a substituted or unsubstituted phenyl or naphthyl group, and n is 1 to 3, and H—C(?O)OR??(II) wherein R is a hydrocarbon having 6 to 15 carbon atoms, and b. one or more aliphatic alcohols, or a combination of one or more aliphatic alcohols and one or more aromatic alcohols.
    Type: Application
    Filed: August 15, 2012
    Publication date: December 6, 2012
    Inventors: Elsie A. Fohrenkamm, M. Zaki Ali, Michael B. Heller, Kevin M. Kidnie
  • Publication number: 20120135354
    Abstract: The present invention involves a method for making a relief image. A film that includes a carrier sheet and an imageable material is used to form a mask image that is opaque to a curing radiation. In one embodiment, the mask image is formed on the carrier sheet while in another embodiment, the mask image is formed on a receptor sheet. The mask image is then transferred to a photosensitive material, such as a flexographic printing plate precursor. The resulting assembly is exposed to the curing radiation resulting in exposed and unexposed areas of the photosensitive material. The carrier sheet or the receptor sheet may be removed from the mask image either before or after exposure to the curing radiation. Finally, the photosensitive material and mask image assembly is developed with a suitable developer to form a relief image.
    Type: Application
    Filed: December 8, 2011
    Publication date: May 31, 2012
    Inventors: M. Zaki Ali, David E. Brown, Elsie A. Fohrenkamm, Michael B. Heller
  • Publication number: 20120127443
    Abstract: The present invention involves a method for making a relief image. A film that includes a carrier sheet and an imageable material is used to form a mask image that is opaque to a curing radiation. In one embodiment, the mask image is formed on the carrier sheet while in another embodiment, the mask image is formed on a receptor sheet. The mask image is then transferred to a photosensitive material, such as a flexographic printing plate precursor. The resulting assembly is exposed to the curing radiation resulting in exposed and unexposed areas of the photosensitive material. The carrier sheet or the receptor sheet may be removed from the mask image either before or after exposure to the curing radiation. Finally, the photosensitive material and mask image assembly is developed with a suitable developer to form a relief image.
    Type: Application
    Filed: December 8, 2011
    Publication date: May 24, 2012
    Inventors: M. Zaki Ali, David E. Brown, Elsie A. Fohrenkamm, Michael B. Heller
  • Patent number: 8142987
    Abstract: The present invention involves a method for making a relief image. A film that includes a carrier sheet and an imageable material is used to form a mask image that is opaque to a curing radiation. In one embodiment, the mask image is formed on the carrier sheet while in another embodiment, the mask image is formed on a receptor sheet. The mask image is then transferred to a photosensitive material, such as a flexographic printing plate precursor. The resulting assembly is exposed to the curing radiation resulting in exposed and unexposed areas of the photosensitive material. The carrier sheet or the receptor sheet may be removed from the mask image either before or after exposure to the curing radiation. Finally, the photosensitive material and mask image assembly is developed with a suitable developer to form a relief image.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: March 27, 2012
    Assignee: Eastman Kodak Company
    Inventors: M. Zaki Ali, David E. Brown, Elsie A. Fohrenkamm, Michael B. Heller
  • Patent number: 8083947
    Abstract: Polymer-containing solution can be purified and the solvent reused by subjecting the solution to microfiltration using tubular filters having an average pore diameter of less than 1 ?m and a filtration pressure of at least 0.35 MPa. This method is particularly useful for reclaiming and reusing solvents that are used in the development or chemical washout of flexographic printing plates.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: December 27, 2011
    Assignee: Eastman Kodak Company
    Inventors: David C. Bradford, M. Zaki Ali
  • Publication number: 20110183260
    Abstract: A processing solution useful for providing flexographic relief images includes one or more esters of monobasic carboxylic acids represented by one or both of the following Structures (I) and (II): R1—C(?O)O—(CH2)n—Ar1??(I) wherein R1 is an alkyl group having 1 to 5 carbon atoms, Ar1 is a substituted or unsubstituted phenyl or naphthyl group, and n is 1 to 3, and H—C(?O)OR??(II) wherein R is a hydrocarbon having 6 to 15 carbon atoms, and b. one or more aliphatic alcohols, or a combination of one or more aliphatic alcohols and one or more aromatic alcohols.
    Type: Application
    Filed: January 28, 2010
    Publication date: July 28, 2011
    Inventors: Elsie A. Fohrenkamm, M. Zaki Ali, Michael B. Heller, Kevin M. Kidnie
  • Publication number: 20110053090
    Abstract: A processing solution is used to provide flexographic relief printing plates. This solution includes diisopropylbenzene, and one or more organic co-solvents, at least one of which is an aliphatic dibasic acid ester. The processing solution may also include one or more alcohols as co-solvents.
    Type: Application
    Filed: August 25, 2009
    Publication date: March 3, 2011
    Inventors: Elsie A. Fohrenkamm, M. Zaki Ali, Michael B. Heller