Patents Represented by Attorney, Agent or Law Firm Robert M. Didrick
  • Patent number: 6326518
    Abstract: Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan which include a free mercaptan. Other products of the degradation are believed to include carbocations of the blocking moiety which are stabilized by a molecular structure in which the electron deficiency is shared by several groups. The latent mercaptan may be the sole heat stabilizer additive but the free mercaptan released during processing may also synergize the activity of metal-based heat stabilizers such as metal salts and organometallic stabilizers such as organotin carboxylates and mercaptides in the polymer composition. The odor of primary mercaptan-containing heat stabilizers in halogenated polymer compositions is masked by a small amount of a latent mercaptan.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: December 4, 2001
    Assignee: Morton International, Inc.
    Inventors: Tod C. Duvall, Paul B. Adams, Gene K. Norris
  • Patent number: 6258880
    Abstract: Stabilizer compositions useful for protecting clear polyvinyl chloride and other clear halogenated polymer compositions against discoloration and degradation caused by exposure to light and weathering in addition to heat comprising an organotin compound selected from the group consisting of organotin mercaptides, sulfides of organotin mercaptides, organotin sulfides, and/or organotin carboxylates, and a free phenyl salicylate compound. These stabilizers offer improved ultraviolet light stability and weatherability to clear polyvinyl chloride resins designed for weatherable applications without detracting from the desired thermal performance. Clear polyvinyl chloride resin and other clear halogenated polymer compositions are also provided, containing these compounds.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: July 10, 2001
    Assignee: Morton International, Inc.
    Inventors: Gary M. Conroy, Gene K. Norris
  • Patent number: 6232380
    Abstract: Stabilizer compositions useful for protecting clear polyvinyl chloride and other clear halogen-containing polymer compositions used in the manufacture of exterior weatherable products against discoloration and degradation caused by exposure to ultraviolet light and weathering in addition to heat comprising a latent mercaptan which degrades during processing of the composition at an elevated temperature to liberate a free mercaptan, in combination with a synergistic amount of a free phenyl salicylate compound. The latent mercaptan may be the sole heat stabilizer additive in the stabilizer composition, but the free mercaptan released during processing may also synergize the activity of organic-based or metal-based heat stabilizers such as metal salts and organometallic stabilizers such as organotin carboxylates and organotin mercaptides in the polymer composition.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: May 15, 2001
    Assignee: Morton International Inc.
    Inventors: Gary M. Conroy, Gene K. Norris, Tod C. Duvall
  • Patent number: 6127091
    Abstract: A photopolymerizable composition, which contains a polymeric binder, a compound which can be polymerized by free radicals and has at least one terminal ethylenic double bond and a photoinitiator combination comprising an N-heterocyclic compound, a thioxanthone derivative and a dialkylamino compound, is highly photosensitive and produces photoresist stencils with vertical side walls.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: October 3, 2000
    Assignee: Morton International, Inc.
    Inventors: Ulrich Geissler, Hans-Dieter Frommeld, Hans Ruckert
  • Patent number: 6114414
    Abstract: Systems, apparatus combinations and methods for producing a powder coating are provided wherein a stream of a powder coating precursor including at least one resin and at least one additional powder coating ingredient is contacted with a process fluid effective to reduce the viscosity of the powder coating precursor to allow processing of the powder coating precursor at a lower temperature.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: September 5, 2000
    Assignee: Morton International, Inc.
    Inventors: Andrew T. Daly, Owen H. Decker, Karl R. Wursthorn, Frank R. Houda, Leo T. Grundowski, Carl W. Ernst
  • Patent number: 6114091
    Abstract: A photopolymerizable composition, which contains a polymeric binder, a compound which can be polymerized by free radicals and has at least one terminal ethylenic double bond and a photoinitiator combination comprising an N-heterocyclic compound, a thioxanthone derivative and a dialkylamino compound, is highly photosensitive and produces photoresist stencils with vertical side walls.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: September 5, 2000
    Assignee: Morton International, Inc.
    Inventors: Ulrich Geissler, Hans-Dieter Frommeld, Hans Ruckert
  • Patent number: 6077610
    Abstract: Wood is electrostatically coated with a thermosetting powder coating system in which a mixture of a self-curing epoxy resin and a catalyst therefore is extruded and a low temperature curing agent are both pulverized and the powders are blended with conventional additives to make a coating powder which is deposited on a wooden substrate and heated to cure. The mixture of resin and catalyst does not cure within the extruder but it is made to cure at low temperatures by the separate addition of the curing agent. A small amount of the low temperature curing agent, insufficient to cause substantial curing during extrusion may be used in place of the catalyst.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: June 20, 2000
    Assignee: Morton International, Inc.
    Inventors: Glenn D. Correll, Andrew T. Daly, Joseph J. Kozlowski, Richard P. Haley, Jeno Muthiah, Paul R. Horinka, Eugene P. Reinheimer
  • Patent number: 6025075
    Abstract: A thermoplastic resin containing a flame-retarding magnesium hydroxide has its workability enhanced by a sorbitan ester in admixture with the resin and flame retardant. An admixture of the resin, magnesium hydroxide, and ester may be either a mixture of discrete particles of each of said components of the composition or a mixture of the resin and a magnesium hydroxide powder whose particles have a coating of the ester.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: February 15, 2000
    Assignee: Morton International, Inc.
    Inventors: Lawrence P. Grant, Susan Crooks
  • Patent number: 6011086
    Abstract: A thermoplastic resin containing a flame-retarding magnesium hydroxide has its workability enhanced by a sorbitan ester in admixture with the resin and flame retardant. An admixture of the resin, magnesium hydroxide, and ester may be either a mixture of discrete particles of each of said components of the composition or a mixture of the resin and a magnesium hydroxide powder whose particles have a coating of the ester.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: January 4, 2000
    Assignee: Morton International, Inc.
    Inventors: Lawrence P. Grant, Susan Crooks, Robert P. Edmonston
  • Patent number: 5981135
    Abstract: A positive acting photoresist composition (e.g., a monolayer dry film) which is strippable in aqueous alkaline solution comprises a photo acid generator and a UV-transparent resin binder system which allows efficient photo bleaching of the photoactive component. An acid functional cellulosic resin may be the only binder resin, an acidic acrylate resin being optional. The dry coating is flexible and may be used as an etch and plating resist.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: November 9, 1999
    Assignee: Morton International, Inc.
    Inventors: Thomas A. Koes, Grieg B. Beltramo
  • Patent number: 5975874
    Abstract: Systems and apparatus combinations for producing a powder coating are provided wherein a stream of a powder coating precursor including at least one resin and at least one additional powder coating ingredient is contacted with a process fluid effective to reduce the viscosity of the powder coating precursor to allow processing of the powder coating precursor at a lower temperature.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: November 2, 1999
    Assignee: Morton International, Inc.
    Inventors: Andrew T. Daly, Owen H. Decker, Karl R. Wursthorn, Frank R. Houda
  • Patent number: 5972471
    Abstract: A polyester-based coating composition capable of forming a striated pattern on a metal surface at a film thickness less than half of that of PVC plastisol films is provided by a thixotropic composition having a thix index of from about 1.5 to about 3 and comprising a hydroxy-functional polyester, a thixotropy-inducing rheologic agent and curing agent. The striated coating is applied to sheet metal in a coil coating operation by introducing the composition into a paint pan of a coil coater, transferring said composition from said paint pan to an applicator roll by rotating a pick-up roll in contact with the composition and with said applicator roll; continuously withdrawing a sheet of metal from a coil thereof and coating said sheet by contacting it with the applicator roll; curing the coating on said sheet by passing the sheet through an oven at an elevated temperature; and continuously rewinding said sheet into a coil.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: October 26, 1999
    Assignee: Morton International, Inc.
    Inventors: Kenneth Edmond Jasenof, Ronald J. Lewarchik, Douglas Allen Stumpfl, David Kenneth Black
  • Patent number: 5935496
    Abstract: A water soluble dicarboxylic acid or an alkali metal salt thereof acts as a mold release agent for salt pellets when a salt-contacting surface of a roll-type briquetting press is coated with from about 0.02 to about 5 mg/cm.sup.2 of a powder of the acid or alkali metal salt just prior to a charge of salt. The coating is achieved by spraying an air stream entraining the powder onto the press rolls or by spraying a solution of the release agent onto the rolls and evaporating the solvent to leave the powder on the rolls. The acid has from 6 to 10 carbon atoms; adipic acid being preferred. Salt pellets having a layer of the powder on their surface may be used in water softening systems wherein the pellets sit in a brine reservoir and supply salt for the recharging of an ion exchange resin. There is no formation of an unsightly scum on the surface of the brine and on the sides of the reservoir.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: August 10, 1999
    Assignee: Morton International, Inc.
    Inventor: Kurt J. Waatti
  • Patent number: 5932288
    Abstract: An epoxy coating powder composition and a method for controlling the denseness of cured wrinkle finish patterns are provided by the use of a curing agent mixture comprising a blocked Lewis acid, methylenedisalicylic acid and a ring-substituted homolog thereof having the formula ##STR1## wherein x and y are from 1 to 3, and R.sup.1 and R.sup.2 are, independently, hydrogen, alkyl groups having from 1 to 20 carbon atoms, aryl groups having from 6 to 10 carbon atoms, or aryl-substituted methylene groups; with the proviso that when x=y=3, R.sup.1 and R.sup.2 .noteq.hydrogen;wherein the ratio of methylene disalicylic acid and the ring-substituted homolog is from about 50:50 to about 2:98 by weight.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: August 3, 1999
    Assignee: Morton International, Inc.
    Inventors: Owen H. Decker, Charles P. Tarnoski
  • Patent number: 5928839
    Abstract: In a process for fabricating a multilayer printed circuit board with permanent innerlayers of photoresist, the photoimageable composition used to form the hard permanent layer comprises a polymerizable acrylate monomer; an oligomer formed by the reaction of an epoxy resin and an acrylic or methacrylic acid; a photosensitive, free radical generating initiator for polymerization of the acrylic monomer and oligomer; a curable epoxy resin; a curing agent for the epoxy resin; and, optionally, a crosslinking agent reactive with hydroxyl groups. After exposure and development of a layer of the photoimageable composition and etching of the underlying metal layer on a board, the resultant photoresist is left on the circuitry traces. The innerlayers of photoresist are stacked in a press where it initially conforms under heat and pressure to fill voids between the innerlayers and then cures to permanence.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: July 27, 1999
    Assignee: Morton International, Inc.
    Inventors: James Rath, William Luong-Gia Tran, Kathy M. Flynn, Vinai Ming Tara, Thomas A. Koes, Vincent J. Nizzo
  • Patent number: 5922824
    Abstract: A polyurethane prepared from a functionalized polyol has superior hydrolytic stability and dispersive capacity which makes it useful as a binder for magnetic particles in a magnetic recording medium. The functionalized polyol may be one of the group consisting of a polyesterdiol, a polyetherdiol, a polycaprolactone diol and a polycarbonate diol, each of which which incorporates a functional group having the formula: ##STR1## wherein M is a methylene group or nitrogen, R and R.sup.1 are the same or different alkylene groups having from 1 to 7 carbon atoms, R.sup.2 is an alkylene group having from 1 to 7 carbon atoms, and R.sup.3 and R.sup.4 are the same or different alkyl groups having from 1 to 7 carbon atoms, and X is an anion of a Br.o slashed.nsted acid in an amount such that the polyurethane contains from about 8 to about 32 gram moles of the functional group per 1.times.10.sup.6 grams of the polyurethane. The polyurethane may be made by heating a mixture of a Br.o slashed.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: July 13, 1999
    Assignee: Morton International, Inc.
    Inventor: Charles J. Amirsakis
  • Patent number: 5907020
    Abstract: Wood is electrostatically coated with a thermosetting powder coating system in which a mixture of a self-curing epoxy resin and a catalyst therefore is extruded and a low temperature curing agent are both pulverized and the powders are blended with conventional additives to make a coating powder which is deposited on a wooden substrate and heated to cure. The mixture of resin and catalyst does not cure within the extruder but it is made to cure at low temperatures by the separate addition of the curing agent. A small amount of the low temperature curing agent, insufficient to cause substantial curing during extrusion may be used in place of the catalyst.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: May 25, 1999
    Assignee: Morton International, Inc.
    Inventors: Glenn D. Correll, Andrew T. Daly, Joseph J. Kozlowski, Richard P. Haley, Jeno Muthiah, Paul R. Horinka, Eugene P. Reinheimer
  • Patent number: 5891578
    Abstract: A polyurethane prepared from a functionalized polyol has superior hydrolytic stability and dispersive capacity which makes it useful as a binder for magnetic particles in a magnetic recording medium. The functionalized polyol may be one of the group consisting of a polyesterdiol, a polyetherdiol, a polycaprolactone diol and a polycarbonate diol, each of which incorporates a functional group having the formula: ##STR1## wherein M is a methylene group or nitrogen, R and R.sup.1 are the same or different alkylene groups having from 1 to 7 carbon atoms, R.sup.2 is an alkylene group having from 1 to 7 carbon atoms, and R.sup.3 and R.sup.4 are the same or different alkyl groups having from 1 to 7 carbon atoms, and X is an anion of a Br.o slashed.nsted acidin an amount such that the polyurethane contains from about 8 to about 32 gram moles of the functional group per 1.times.10.sup.6 grams of the polyurethane. The polyurethane may be made by heating a mixture of a Br.o slashed.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: April 6, 1999
    Assignee: Morton International, Inc.
    Inventor: Charles J. Amirsakis
  • Patent number: 5866625
    Abstract: The density of rigid foamed articles made by the thermal decomposition of a blowing agent in a vinyl chloride polymer is reduced by the use of an organotin halide in combination with a mercaptocarboxylic acid ester or a sulfide of such ester or a mixture of the ester and the sulfide to activate the blowing agent.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: February 2, 1999
    Assignee: Morton International, Inc.
    Inventors: George F. Beekman, Lionel R. Price
  • Patent number: 5858506
    Abstract: A polyester-based coating composition capable of forming a striated pattern on a metal surface at a film thickness less than half of that of PVC plastisol films is provided by a thixotropic composition having a thix index of from about 1.5 to about 3 and comprising a hydroxy-functional polyester, a thixotropy-inducing rheologic agent and curing agent. The striated coating is applied to sheet metal in a coil coating operation by introducing the composition into a paint pan of a coil coater, transferring said composition from said paint pan to an applicator roll by rotating a pick-up roll in contact with the composition and with said applicator roll; continuously withdrawing a sheet of metal from a coil thereof and coating said sheet by contacting it with the applicator roll; curing the coating on said sheet by passing the sheet through an oven at an elevated temperature; and continuously rewinding said sheet into a coil.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: January 12, 1999
    Assignee: Morton International, Inc.
    Inventors: Kenneth Edmond Jasenof, Ronald J. Lewarchik, Douglas Allen Stumpfl, David Kenneth Black