Patents Represented by Attorney E. Frank McKinney
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Patent number: 4736036Abstract: A process is disclosed for the manufacture of quinolinic acid by oxidizing quinoline with ruthenium tetraoxide in the presence of hypochlorite solution in which a certain amount of base is added prior to the inception of the oxidation reaction. The disclosed process provides greatly improved yields of high purity quinolinic acid.Type: GrantFiled: August 8, 1983Date of Patent: April 5, 1988Assignee: Appleton Papers Inc.Inventor: Ponnampalam Mathiaparanam
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Patent number: 4675249Abstract: A process is disclosed for performing encapsulation, en masse, by an in situ polymerization reaction to yield capsule wall material. The reaction comprises the polymerization of urea and formaldehyde, or monomeric or low molecular weight polymers of dimethylol urea or methylated dimethylol urea, melamine and formaldehyde, monomeric or low molecular weight polymers of methylol melamine or methylated melamine, in an aqueous vehicle and the reaction is conducted in the presence of certain acrylic acid copolymers. The disclosed encapsulation process provides improved resistance of the emulsion of intended capsule core material to destabilization and permits the manufacture of microcapsules with improved drop size distribution, improved resistance to frictional smudge damage and enhanced impermeability.Type: GrantFiled: March 31, 1986Date of Patent: June 23, 1987Assignee: Appleton Papers Inc.Inventor: Richard P. Bowman
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Patent number: 4675707Abstract: A thermally-sensitive color-forming composition is disclosed which comprises chromogenic material and certain acidic developer material. Record material comprising this color-forming composition exhibits greatly improved background coloration.Type: GrantFiled: December 2, 1985Date of Patent: June 23, 1987Assignee: Appleton Papers Inc.Inventors: Steven L. Vervacke, Thomas C. Petersen
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Patent number: 4675706Abstract: Disclosed is a pressure-sensitive record unit which comprises a top sheet having coated on the underside thereof solid color former material and a bottom sheet having coated on the upper side thereof a coating comprising solid color developer material and microcapsules containing a liquid solvent for the color former. Such a record unit makes possible the unexpectedly efficient utilization of the color former material. It furthermore permits the printing application of some of the components, resulting in even more efficient utilization of color former material and elimination of undesirable side effects of printed record units taught in the prior art.Type: GrantFiled: March 7, 1986Date of Patent: June 23, 1987Assignee: Appleton Papers Inc.Inventors: Robert E. Miller, Robert W. Brown
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Patent number: 4610727Abstract: A record member comprising a developer composition comprising a zinc-modified addition product of a phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon is disclosed. These addition products are particularly useful as color developers for basic chromogenic material.Type: GrantFiled: August 5, 1985Date of Patent: September 9, 1986Assignee: Appleton Papers Inc.Inventors: Jerome R. Bodmer, Robert E. Miller
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Patent number: 4596996Abstract: Disclosed is a pressure-sensitive recording material which comprises a support having thereon a two-layer microcapsule coating wherein the microcapsule layer adjacent to the support contains no color former. Such recording material makes possible a substantial decrease in quantity of color former required.Type: GrantFiled: February 11, 1985Date of Patent: June 24, 1986Assignee: Appleton Papers Inc.Inventors: Robert W. Sandberg, Bruce W. Brockett, Kristi A. Blythe
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Patent number: 4586061Abstract: A thermally-sensitive color-forming composition is disclosed which comprises chromogenic material and certain acidic developer material. Record material comprising this color-forming composition exhibits improved color-forming efficiency and/or image density.Type: GrantFiled: May 13, 1985Date of Patent: April 29, 1986Assignee: Appleton Papers Inc.Inventor: Kenneth D. Glanz
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Patent number: 4573063Abstract: A record member comprising a developer composition comprising an addition product of a phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon is disclosed. These addition products are particularly useful as color developers for basic chromogenic material.Type: GrantFiled: May 23, 1984Date of Patent: February 25, 1986Assignee: Appleton Papers Inc.Inventors: Robert E. Miller, Steven L. Vervacke
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Patent number: 4552811Abstract: A process is disclosed for performing encapsulation, en masse, by an in situ polymerization reaction to yield capsule wall material. The reaction comprises the polymerization of urea and formaldehyde, or monomeric or low molecular weight polymers of dimethylol urea or methylated dimethylol urea, melamine and formaldehyde, monomeric or low molecular weight polymers of methylol melamine or methylated methylol melamine, in an aqueous vehicle and the reaction is conducted in the presence of certain acrylic acid copolymers. The disclosed encapsulation process provides improved resistance of the emulsion of intended capsule core material to destabilization and permits the manufacture of microcapsules with improved drop size distribution, improved resistance to frictional smudge damage and enhanced impermeability.Type: GrantFiled: June 12, 1984Date of Patent: November 12, 1985Assignee: Appleton Papers Inc.Inventors: Robert W. Brown, Richard P. Bowman
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Patent number: 4551739Abstract: A record member comprising a developer composition comprising 2,2-bis(4-hydroxyphenyl)-5-methylhexane is disclosed. This compound is particularly useful as a color developer for basic chromogenic material.Type: GrantFiled: May 23, 1984Date of Patent: November 5, 1985Assignee: Appleton Papers Inc.Inventors: Robert E. Miller, Steven L. Vervacke
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Patent number: 4546365Abstract: A record member comprising a developer composition comprising a glass comprising a biphenol color developer and a resinous material is disclosed. These compositions are particularly useful as color developers for basic chromogenic material.Type: GrantFiled: May 23, 1984Date of Patent: October 8, 1985Assignee: Appleton Papers Inc.Inventors: Bruce W. Brockett, Robert E. Miller
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Patent number: 4540998Abstract: A record member comprising a developer composition comprising a zinc-modified addition product of a phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon is disclosed. These addition products are particularly useful as color developers for basic chromogenic material.Type: GrantFiled: May 23, 1984Date of Patent: September 10, 1985Assignee: Appleton Papers Inc.Inventors: Jerome R. Bodmer, Robert E. Miller
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Patent number: 4535347Abstract: A thermally-sensitive color-forming composition is disclosed which comprises chromogenic material, acidic developer material and a hydroxyanilide compound. Record material comprising this color-forming composition exhibits an absence of image bloom and improved color-forming efficiency and/or image density.Type: GrantFiled: May 7, 1984Date of Patent: August 13, 1985Assignee: Appleton Papers Inc.Inventor: Kenneth D. Glanz
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Patent number: 4523018Abstract: Chromogenic compounds of colorless or lightly colored form are disclosed having the following structural formula: ##STR1## wherein X represents an optionally substituted aminophenyl, indolyl, julolidinyl, kairolyl, piperidinophenyl, pyrrolidinophenyl, morpholinyl, carbazolyl or indolizinyl radical. The compounds of this invention are eligible for use in pressure-sensitive and heat-sensitive record materials and manifold marking systems.Type: GrantFiled: October 21, 1982Date of Patent: June 11, 1985Assignee: Yamamoto Kagaku Gosei Co., Ltd.Inventors: Yojiro Kumagae, Yasuhisa Iwasaki
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Patent number: 4520379Abstract: A thermally-sensitive color-forming composition is disclosed which comprises chromogenic material and certain acidic developer material. Record material comprising this color-forming composition exhibits substantially improved performance in certain Group 3 facsimile equipment.Type: GrantFiled: June 15, 1984Date of Patent: May 28, 1985Assignee: Appleton Papers Inc.Inventors: Kenneth D. Glanz, Troy E. Hoover
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Patent number: 4490313Abstract: A process is disclosed for performing encapsulation, en masse, by an in situ polymerization reaction to yield capsule wall material. The reaction comprises the polymerization of urea and formaldehyde, monomeric or low molecular weight polymers of dimethylol urea or methylated dimethylol urea, melamine and formaldehyde, monomeric or low molecular weight polymers of methylol melamine or methylated methylol melamine, in an aqueous vehicle and the reaction is conducted in the presence of mixtures of poly-electrolyte material, esp. poly(acrylic acid), and polystyrene sulfonic acid and/or salts thereof in certain critical proportions. The disclosed encapsulation process provides improved resistance of the emulsion of intended capsule core material to destabilization and permits the manufacture of micro-capsules with improved drop size distribution.Type: GrantFiled: January 24, 1983Date of Patent: December 25, 1984Assignee: Appleton Papers Inc.Inventors: Robert W. Brown, Richard P. Bowman
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Patent number: 4470058Abstract: A two-coat record sheet material is disclosed. This record sheet material comprises a base coat comprising an oil-soluble phenol-formaldehyde novolak resin and a topcoat comprising substantially nonreactant pigment material, but no color developer material. The nonreactive topcoat eliminates the accumulation of contaminants on the fuser roll of copier/duplicators produced by prior art record sheet material.Type: GrantFiled: June 28, 1982Date of Patent: September 4, 1984Assignee: Appleton Papers Inc.Inventors: Jerome R. Bodmer, John H. Peters
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Patent number: 4470057Abstract: A thermally-sensitive color-forming composition is disclosed which comprises chromogenic material, acidic developer material and a phenylhydroxynaphthoate compound. Record material comprising this color-forming composition exhibits improved color-forming efficiency and/or image density.Type: GrantFiled: March 24, 1983Date of Patent: September 4, 1984Assignee: Appleton Papers Inc.Inventor: Kenneth D. Glanz
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Patent number: 4454083Abstract: A process is disclosed for continuously manufacturing minute capsules in a closed conduit under conditions of non-turbulent flow. The continuous microencapsulation process comprises in-line emulsification of intended capsule core material in a liquid manufacturing vehicle comprising negatively-charged polyelectrolyte material and methylol melamine or etherified methylol melamine followed by conduction of the emulsion, under non-turbulent flow conditions, through a tubular reactor maintained at a single, elevated temperature.Type: GrantFiled: December 21, 1981Date of Patent: June 12, 1984Assignee: Appleton Papers Inc.Inventors: Robert W. Brown, Lester A. Balster
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Patent number: 4450043Abstract: A process for recovering pulp from pressure-sensitive carbonless copying paper waste is disclosed. This process includes defibrating the waste without substantial rupture of the microcapsules, treating the defibrated waste with an enzyme for starch saccharification and separating the fibers from the released microcapsules by means of a sidehill screen equipped with a washing shower.Type: GrantFiled: March 12, 1982Date of Patent: May 22, 1984Assignee: Appleton Papers Inc.Inventor: William J. Schulz