Patents by Inventor James A. Dougherty

James A. Dougherty 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: 20080150223
    Abstract: A system for removing an interleaf sheet contacting a plate sheet used in an imaging system, comprised of a substantially horizontal member; an assembly comprising at least two elements configured to directly contact and pick up the interleaf sheet, a portion of said assembly connected to said member; a motor configured to move said member in a direction substantially perpendicular to a surface of the interleaf sheet as positioned prior to contact; and a first sensor system that generates a signal indicating when said member is a first predetermined distance from the interleaf sheet; and a second sensor system comprised of a second sensor that generates a signal indicating that the sheet beneath the second sensor is an interleaf sheet; said motor utilizing the first predetermined distance to move said member a second predetermined distance from the interleaf sheet, the at least two elements not contacting each other at the second predetermined distance, said motor moving said member in a direction toward the
    Type: Application
    Filed: January 16, 2008
    Publication date: June 26, 2008
    Inventors: Todd Kepple, James A. Dougherty
  • Patent number: 7000541
    Abstract: The present invention relates generally to systems and methods that remove an interleaf sheet interposed between plate sheets from a material stack used, for example, in a computer-to-plate imaging system and/or environment. Embodiments of the system and method can also remove plate sheets from an interleaf sheet, and transport the plate sheet for subsequent imaging.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: February 21, 2006
    Assignee: ECRM, Inc.
    Inventors: Chang J. Yee, John Berrigan, James A. Dougherty
  • Patent number: 6514600
    Abstract: What is described herein is a clear white-appearance, water-resistant, color ink-receptive film having a copolymer of (a) vinyl caprolactam and (b) dimethylaminopropyl methacrylamide coated thereon; preferably the weight ratio of (a):(b) is 50-95:50-5; optimally about 80:20. The ink-receptive film of the invention is capable of being printed from a color inkjet printer to form color images thereon which exhibit excellent long-term color stability towards light. These advantageous results are achieved herein while retaining the desired properties of rapid ink dry time, good print quality, highly resolved circular dots, and high, uniform optical density, characteristic of other systems.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: February 4, 2003
    Assignee: ISP Investments Inc.
    Inventors: James A. Dougherty, John McKittrick
  • Patent number: 6417356
    Abstract: This invention relates to a composition containing (a) a component selected from the group of a mono- or poly- vinyl substituted mono- or poly-ether, a mono- or poly- vinyl substituted lactam, or a mixture thereof contained in an acidic medium and (b) an aliphatic, primary or secondary mono- or poly-amine at a concentration sufficient to adjust the pH of the composition above
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: July 9, 2002
    Assignee: ISP Investments Inc.
    Inventors: Arvind M. Mathur, James A. Dougherty
  • Patent number: 6359128
    Abstract: Free-flowing flakes of vinyl caprolactam monomer usable below its melting point of 34° C. without developing coloration.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: March 19, 2002
    Assignee: ISP Investments Inc.
    Inventors: Arvind M. Mathur, James A. Dougherty, Philip F. Wolf
  • Patent number: 6174933
    Abstract: Radiation polymerizable vinylether-based compositions, and cured vinylether-based formulations having a predetermined balance of tack, peel and shear particularly suitable for use in pressure sensitive adhesives are described.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: January 16, 2001
    Assignee: ISP Investments Inc.
    Inventors: James A. Dougherty, John McKittrick, Arvind M. Mathur
  • Patent number: 6063864
    Abstract: A curable, unsaturated polyester composition comprising, by weight, an unsaturated polyester and 1-60% styrene and 1-50% vinylether monomers.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: May 16, 2000
    Assignee: ISP Investments Inc.
    Inventors: Arvind M. Mathur, James A. Dougherty
  • Patent number: 6011079
    Abstract: A radiation curable release coating composition comprising, by weight,(a) 10-90% of an acrylate-functional silicone resin,(b) 10-90% of a vinylether monomer as reactive diluent therein, and(c) a photoinitiator.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: January 4, 2000
    Assignee: ISP Investments Inc.
    Inventors: James A. Dougherty, John Mc Kittrick
  • Patent number: 5691430
    Abstract: A process for polymerizing a vinyl ether monomer which comprises contacting the vinyl ether with an initiator system of silicon dioxide and a one or more metallic oxides.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: November 25, 1997
    Assignee: ISP Investments Inc.
    Inventors: James A. Dougherty, John G. Mc Kittrick, Raymond Bret Clark
  • Patent number: 5691462
    Abstract: This invention relates to a stabilized hydrocarbon vinyl ether or hydroxy substituted hydrocarbon vinyl ether containing between 3 and 20 carbon atoms which contains between about 0.005 and about 0.75 weight % of an alkali metal salt of a C.sub.1 to C.sub.14 hydrocarbon ester.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: November 25, 1997
    Assignee: ISP Investments Inc.
    Inventors: Mark M. Miller, James A. Dougherty, M. J. Rhonheimer
  • Patent number: 5582792
    Abstract: A method for inhibiting corrosion of a metal surface bearing a corrosion product including ferrous ions is disclosed. The method comprises applying to the surface a salt of an ethoxylated amine and a reaction product of an alcohol and a fatty acid maleic anhydride adduct produced by a reaction between maleic anhydride and an unsaturated fatty acid. Related compositions are also disclosed.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: December 10, 1996
    Assignee: Petrolite Corporation
    Inventors: James A. Dougherty, Benjie T. Outlaw, Bernardus A. Oude Alink
  • Patent number: 5468820
    Abstract: This invention relates to a reactive diluent mixture employed in a free radical polymerization of film-forming monomers which comprises between about 25 and about 90 wt. % N-vinyl lactam containing 6 to 9 carbon atoms and between about 10 and about 75 wt. % of a non-cyclic vinyl amide having from 3 to 7 carbon atoms which is employed in a concentration of between about 10 and about 50 wt. % based on total film forming monomers.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: November 21, 1995
    Assignee: ISP Investments Inc.
    Inventors: James A. Dougherty, Philip F. Wolf
  • Patent number: 5385616
    Abstract: A method for inhibiting corrosion of a metal surface bearing a corrosion product including ferrous ions is disclosed. The method comprises applying to the surface a reaction product of an alcohol and a fatty acid maleic anhydride adduct produced by a reaction between maleic anhydride and an unsaturated fatty acid. Related compositions and coated metal surfaces are also disclosed.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: January 31, 1995
    Assignee: Petrolite Corporation
    Inventors: James A. Dougherty, George W. Dear, Bernardus A. Oude
  • Patent number: 5360882
    Abstract: Eutectic compositions of vinyl caprolactam (VCL) and divinyl imidazolidone (DVI) which are liquids at room temperature are described. These compositions are useful as reactive diluents in curable coating formulations.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: November 1, 1994
    Assignee: ISP Investments Inc.
    Inventors: James A. Dougherty, Donald J. Shugard, Lowell R. Anderson
  • Patent number: 5358978
    Abstract: This invention relates to alkenyl ether polycarbonates having the formula ##STR1## wherein A is selected from the group consisting of lower alkyl and R'HC.dbd.CHOR--, R and R" are each independently a divalent radical having from 2 to 20 carbon atoms and are selected from the group of alkylene, mono- or poly- alkoxylated alkylene, alkenylene, alkynylene, arylene, alkarylene and aralkylene radicals, which radicals are optionally substituted with halo, alkyl, cyano, nitro or alkoxy; R' is hydrogen or lower alkyl; (n) has a value of from 1 to 10 and (m) has a value of from 0 to 10; with the proviso that R" contains at least 3 carbon atoms when m is zero. The invention also concerns the preparation and use of said alkenyl ether polycarbonates.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: October 25, 1994
    Assignee: ISP Investments Inc.
    Inventors: Jeffrey S. Plotkin, Fulvio J. Vara, James A. Dougherty, Paul D. Taylor, Kolazi S. Narayanan
  • Patent number: 5314929
    Abstract: The present invention relates to a rapidly curable, silicone-free release coating composition comprising (a) between about 50 and about 95 wt. % of a vinyl ether having the formula C.sub.n H.sub.2n+1 O--CH.dbd.CH.sub.2 wherein n has a value of from 8 to 20, optionally containing a cationically polymerizable comonomer; (b) between about 5 and about 50 wt. % of a multifunctional vinyl ether monomer and (c) between about 0.1 and about 10 wt. % of an onium salt photoinitiator.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: May 24, 1994
    Assignee: ISP Investments Inc.
    Inventors: James V. Crivello, James A. Dougherty
  • Patent number: 5274148
    Abstract: This invention relates to C.sub.14 to C.sub.20 alkoxy monophenyl sulfonium salt initiators having the formula ##STR1## wherein R is C.sub.14 to C.sub.20 alkyl; R.sub.1 and R.sub.2 are each independently C.sub.4 to C.sub.20 alkyl and X.sup.- is a non-basic, nonnucleophilic anion, which initiators are employed in the polymerization of mono- and poly- functional glycidyl ethers, alpha-olefin oxides and vinyl monomers or oligomers.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: December 28, 1993
    Assignee: ISP Investments, Inc.
    Inventors: James A. Dougherty, James V. Crivello
  • Patent number: 5262450
    Abstract: A radiation curable composition is provided herein which comprises suitably about 50-90 parts, preferably about 60-80 parts, by weight, of a multifunctional acrylate monomer, suitably with 3-6 acrylate groups, preferably pentaerythritol triacrylate or trimethylolpropane triacrylate, about 10-50 parts by weight, preferably about 20-40 parts, by weight, of a divinyl ether monomer having both a hydrophobic backbone and an abrasion-resistant moiety, which is preferably the divinylether of cyclohexane dimethanol, and a radiation curing initiator, suitably a cationic initiator, and preferably, in combination with a free radical initiator.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: November 16, 1993
    Assignee: ISP Investments Inc.
    Inventors: Fulvio J. Vara, James A. Dougherty, Geoffrey J. Wilkins
  • Patent number: 5262449
    Abstract: This invention relates to a coating composition which can be cured by exposure to radiation energy in the presence of a cationic photoinitiator. The composition comprises a mixture of between about 1 and about 75 wt. % of a reactive vinyl or alk-1-enyl ether cyclocarbonate having the formula ##STR1## wherein R is hydrogen or lower alkyl; R' is C.sub.2 to C.sub.4 alkylene; n has a value of from 0 to 4 and n' has a value of from 1 to 4 and between about 99 and about 25 wt. % of a polymerizable compound containing an onium salt initiator which is normally insoluble in said polymerizable compound or a mixture thereof. The invention also relates to the use of the composition as a protective coating on a substrate.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: November 16, 1993
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Jeffrey S. Plotkin, Fulvio J. Vara, James A. Dougherty
  • Patent number: 5254710
    Abstract: This invention relates to alkenyl ether polycarbonates having the formula ##STR1## wherein A is selected from the group consisting of lower alkyl and R'HC.dbd.CHOR--; R and R" are each independently a divalent radical having from 2 to 20 carbon atoms and are selected from the group of alkylene, mono- or poly- alkoxylated alkylene, alkenylene, alkynylene, arylene, alkarylene and aralkylene radicals, which radicals are optionally substituted with halo, alkyl, cyano, nitro or alkoxy; R' is hydrogen or lower alkyl; (n) has a value of from 1 to 10 and (m) has a value of from 0 to 10; with the proviso that R" contains at least 3 carbon atoms when m is zero. The invention also concerns the preparation and use of said alkenyl ether polycarbonates.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: October 19, 1993
    Assignee: ISP Investments Inc.
    Inventors: Jeffrey S. Plotkin, Fulvio J. Vara, James A. Dougherty, Paul D. Taylor, Kolazi S. Narayanan