Patents Assigned to Felix Schoeller, Jr.
  • Patent number: 5911855
    Abstract: A printing material for ink-jet printing methods has a support and a dye-receiving coating, and an upper coating which includes finely divided particles of an inorganic pigment and/or filler exhibiting cationic charge centers is disposed on the dye-receiving coating.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: June 15, 1999
    Assignee: Felix Schoeller jr. Foto-und Spezialpapeire GmbH & Co. KG
    Inventors: Gerhard Dransmann, Claudia Junger, Horst Westfal
  • Patent number: 5756200
    Abstract: The invention relates to a photographic support material with a backlayer and to a coating composition for producing this backlayer. The layer is distinguished by excellent writing properties with pencils and is free of contaminations by aged developing baths. It is composed of carboxylated acrylate copolymer, organic polyacid, coarse-grained silica, thickener and, preferably, colloidal aluminium-modified silica.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: May 26, 1998
    Assignee: Felix Schoeller jr. Foto- und Spezialpapiere GmbH & Co. KG
    Inventors: Rolf Ebisch, Hans-Ulrich Berner, Hans-Udo Tyrakowski
  • Patent number: 5624030
    Abstract: A packaging assembly for the pallet transport of goods consists of a pallet and a hood to cover the goods located on the pallet, in which the hood possesses a first opening located at its side which is capable of being repeatedly opened without destruction. The outer edge of a pallet plate of the pallet and the lower inner edge of the hood are designed so as to be lockable together.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: April 29, 1997
    Assignee: Felix Schoeller jr. Foto-und Spezialpapiere GmbH & Co. KG
    Inventor: Horst Rademacher
  • Patent number: 5614345
    Abstract: A paper for thermal image transfer to flat porous surfaces is characterized by a paper support and a layer applied thereto which contains an ethylene copolymer or an ethylene copolymer mixture and a dye-receiving layer.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: March 25, 1997
    Assignee: Felix Schoeller Jr. Foto-Und Spezialpapiere GmbH & Co. KG
    Inventors: Rainer Gumbiowski, Rolf Ebisch, Hartmut Schulz
  • Patent number: 5573636
    Abstract: A recyclable support material and process of recycling the support material is disclosed in which the support material comprises a cellulose containing carrier and a radiation cured layer, and the radiation cured layer contains a solid which can be anchored to a limited extent. This support material can be reprocessed and recycled by aqueous reprocessing processes which are conventional within the paper industry.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: November 12, 1996
    Assignee: Felix Schoeller jr Papierfabriken GmbH & Co. KG
    Inventors: Wieland Sack, Karl-Hermann Krauss, Reiner Mehnert, Peter Klenert
  • Patent number: 5569529
    Abstract: Ink jet printing materials comprise a support and an ink receiving layer taining a pigment, a hydrophilic binder comprising polyvinyl alcohol, vinylpyrrolidone homopolymer and/or vinylpyrrolidone copolymer, and a water soluble compound containing aldehyde groups.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: October 29, 1996
    Assignee: Felix Schoeller Jr. Foto-und Spezial-papiere GmbH & Co. KG
    Inventors: Dieter Becker, Gerhard Dransmann, Jurgen Graumann
  • Patent number: 5518985
    Abstract: An image receiver material for thermal dye transfer comprises a polyolefin-coated base paper and a dye receiving layer applied to and adhering to the front face side of the coated base paper. The dye receiving layer comprises a vinyl chloride/vinyl acetate copolymer with a plasticizer contained in the vinyl chloride/vinyl acetate copolymer and a vinyl chloride copolymer free from plasticizer.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: May 21, 1996
    Assignee: Felix Schoeller Jr Papierfabriken GmbH & Co. KG
    Inventors: Reiner Jahn, Horst Westfal, Jurgen Graumann
  • Patent number: 5497549
    Abstract: A process for the production of core rolls for the winding of sheet maters, and particularly of photographic base papers, includes a deformable rubber tube which is inserted into a mounting tube and inflated therein through a core casing. The core casing is then slid into the inflated rubber tube and the rubber tube is deflated, and by residual stress the rubber tube exerts a pressure on the exterior surface of the core casing and adheres firmly to it.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: March 12, 1996
    Assignee: Felix Schoeller Jr. Foto- und Spezialpapiere GmbH & Co. KG
    Inventor: Horst Rademacher
  • Patent number: 5494759
    Abstract: Ink jet printing materials comprise a support and an ink receiving layer containing a pigment, a hydrophilic binder comprising polyvinyl alcohol, vinylpyrrolidone homopolymer and/or vinylpyrrolidone copolymer, and a quaternary ammonium compound.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: February 27, 1996
    Assignee: Felix Schoeller jr. Foto-und Spezialpapiere GmbH & Co. KG
    Inventors: David R. Williams, William L. Quartz, Klaus B. Kasper, Dieter Becker, Gerhard Dransmann
  • Patent number: 5466536
    Abstract: A photographic support material has a reverse side layer which includes a polymer having a film formation temperature which does not exceed 70.degree. C., and a conductive material. The polymer may be a mixture of polymers or copolymers of styrene, alkylstyrene, (meth)acrylic acid and (meth)acrylic acid alkylester. The conductive material may be an alkali salt of a crosslinkable polysulfonic or polystyrene sulfonic acid or a coated or uncoated metal oxide from the group of metals of the 2nd to 4th main or sub groups, and may also contain a polyfunctional aziridin. The reverse side layer can be printed with thermal printers with only slight absorption of dirt and discoloration from developer baths, and has good adhesion of adhesive tape, good printability with conventional printers, good resistance to abrasion and baths, and a good antistatic properties.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: November 14, 1995
    Assignee: Felix Schoeller jr Papierfabriken GmbH & Co. KG
    Inventors: Hans-Ulrich Berner, Rolf Ebisch, Eckehard Saverin, Udo Tyrakowski
  • Patent number: 5457016
    Abstract: A photographic support material has a back coating comprising a blend of a polypropylene and low density polyethylene.
    Type: Grant
    Filed: August 30, 1993
    Date of Patent: October 10, 1995
    Assignee: Felix Schoeller Jr. Papierfabriken GmbH & Co. KG
    Inventor: Ralf-Burkhard Dethlefs
  • Patent number: 5455073
    Abstract: A method for the production of a photographic coating support material includes a vacuum drying of the synthetic resin and the master batches as well as a storing and transport these products in a closed system with cleaned and dried air.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: October 3, 1995
    Assignee: Felix Schoeller jr Papierfabriken GmbH & Co.KG
    Inventors: Ralf-Burkhard Dethlefs, Bernd Scholz, Udo Uyting
  • Patent number: 5395689
    Abstract: A photographic support material with a coating on each side. At least one of the coatings comprises a mixture of polyolefins and optional agents that have a positive effect on the utilization of the support material. A white pigment is an example. The polyolefin mixture comprising the coating contains at least one copolymer of an .alpha.-olefin with an .alpha., .beta.-unsaturated carboxylic acid. At least 5% and preferably 20% to 80% by weight of the mixture is copolymer.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: March 7, 1995
    Assignee: Felix Schoeller jr Foto- und Spezialpapiere GmbH & Co. KG
    Inventor: Ralf-Burkhard Dethlefs
  • Patent number: 5393726
    Abstract: A dye diffusion thermal transfer carrier material comprises a base material and an intermediate layer which contains a film forming binder with a minimum film forming temperature of at least 25.degree. C., and a pigment of hollow polymer micropellets in which the micropellets have an interior space that has a volume that is between 10 and 55% of the total volume of the micropellet body.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: February 28, 1995
    Assignee: Felix Schoeller jr. Papierfabriken GmbH & Co. KG
    Inventor: Jurgen Graumann
  • Patent number: 5374510
    Abstract: A support material for light sensitive materials is disclosed which has an anticurl layer on the back which contains at least a hardening agent and a bone gelatin that has been degraded by enzymatic action, and the gelatin has more than 40% low molecular fractions having a molecular weight of less than 100,000 and a gel strength of 200-250 g Bloom.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: December 20, 1994
    Assignee: Felix Schoeller, Jr. Papierfabriken
    Inventors: Horst Westfal, Andreas Diekmann
  • Patent number: 5332623
    Abstract: A photographic support material includes a base paper and at least one polyolefin layer arranged on the base paper and containing titanium dioxide, and a methyl substituted chinacridone red pigment in the polyolefin which is a chinolino (2,3-b) acridine-7,14-dione-5,12-dihydro-3,10-dimethyl.
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: July 26, 1994
    Assignee: Felix Schoeller jr. Papierfabrik GmbH & Co. KG
    Inventor: Ralf-Burkhard Dethlefs
  • Patent number: 5328748
    Abstract: A recording material and coating therefor for an ink jet process wherein the coating forms an ink absorbing layer on a support material. The coating contains a hydrophilic binder and an oxidized polyethylene, and the oxidized polyethylene is present in the aqueous coating material which forms the ink absorbing layer as a cationic active emulsified oxidized polyethylene.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: July 12, 1994
    Assignees: Felix Schoeller, Jr., Papierfabrik GmbH & Co. KG
    Inventor: Horst Westfal
  • Patent number: 5318886
    Abstract: A photographic support material comprising a plastic foil or plastic coated paper coated on the rear side with a composition that can be printed with thermal printers and does not pick up dirt or discoloration in developing baths, has good adhesive tape adhesion, good printability with conventional printers, good abrasion resistance and bath resistance, and a good antistatic finish. The coating composition comprises an aqueous mixture of colloidal aluminum modified silica, a polyfunctional aziridine, an alkali salt of an organic polyacid, and a plastic dispersion with free carboxyl groups, a residual monomer content of < 200 ppm, > 50 mol % rigid monomers in the polymer and the interfacial tension of the dried film of > 50 dyn/cm.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: June 7, 1994
    Assignee: Felix Schoeller, Jr. GmbH & Co.
    Inventors: Eckehard Saverin, Hans-Udo Tyrakowski
  • Patent number: 5302572
    Abstract: A process for producing and an image receiving material for dye diffusion thermal transfer processes comprises a carrier material, an intermediate layer of a crosslinked material, and an image receiving layer of an uncrosslinked material, and the two layers are produced without using organic solvents.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: April 12, 1994
    Assignees: Felix Schoeller, Jr., Papierfabrik GmbH & Co., AG
    Inventors: Reiner Anthonsen, Wieland Sack, Dieter Becker, Jurgen Graumann, Manuela Hesse
  • Patent number: 5252658
    Abstract: A premixture composition for the production of water-resistant photographic support material coated with polyolefin resin for light-sensitive materials of polyolefin resin and light-reflecting white pigment comprises a polyolefin resin formed as a copolymer of ethylene and an .alpha.-olefin. A light-reflecting white pigment is intimately mixed with the said polyolefin resin. Hydrocarbon side chains derived of an .alpha.-olefin in the copolymer comprise C.sub.1 to C.sub.16 carbon atoms. The contents of the copolymer of ethylene and .alpha.-olefin in the premixture composition amounts to from about 10 weight-percent to 100 weight-percent of the complete premixture composition. The light-reflecting white pigment is titanium dioxide. The titanium dioxide employed in the mixture has been subjected to a chemical after-treatment.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: October 12, 1993
    Assignee: Felix Schoeller jr GmbH & Co. KG
    Inventors: Ralf-Burkhard Dethlefs, Bernd Scholz, Wolfram Wysk