Patents by Inventor August Marien

August Marien 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).

  • Patent number: 6468609
    Abstract: UV-absorbers of the 4-alkoxy-2-hydroxyphenyl-s-triazine type are incorporated in a cellulose triacetate film. Such an UV-cut off film can be used advantageously, amongst others, as protective sheet for a polarizer in a Liquid Crystal Display.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: October 22, 2002
    Assignee: Agfa-Gevaert
    Inventors: August Mariƫn, Bart Moeyersons
  • Publication number: 20010003363
    Abstract: UV-absorbers of the 4-alkoxy-2-hydroxyphenyl-s-triazine type are incorporated in a cellulose triacetate film. Such an UV-cut off film can be used advantageously, amongst others, as protective sheet for a polarizer in a Liquid Crystal Display.
    Type: Application
    Filed: November 29, 2000
    Publication date: June 14, 2001
    Inventors: August Marien, Bart Moeyersons
  • Patent number: 6051355
    Abstract: A receptor element for non-impact printing is provided comprising a support and an image receiving layer containing at least 80% by weight with respect to the total weight of the layer of a polymer with between 0.5 and 20 mole % of moieties carrying sulphonic acid groups. Preferably the polymer is a polyester comprising between 0.5 and 20 mole % with respect to the total acid content of moieties provided by sulphoisophthalic acid and the sulpho groups are present in free acid form.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: April 18, 2000
    Assignee: Agfa-Gevaert, N. V.
    Inventors: Etienne Van Thillo, August Marien, Geert Van Dyck
  • Patent number: 6042983
    Abstract: Dry toner particles comprising an amorphous complex macromolecular compound that contains in its macromolecular structure,(i) a polyester backbone (A) having a Tg of at least 45.degree. C. and(ii) at least one polymer chain (B) being attached to the backbone, either terminally and/or in a side-chain, the polymer chain (B) being derived from a polymer selected from the group consisting of polyolefines and polyolefines containing alkoxy groups which on itself has an average molecular weight by number (M.sub.avg) so that 1900.ltoreq.M.sub.avg <4000, a melting point between 50.degree. C. and 150.degree. C. and a melting range of at most 15.degree. C.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: March 28, 2000
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Serge Tavernier, August Marien, Werner Op de Beeck
  • Patent number: 5989794
    Abstract: Disclosed is a polyalkylene naphthalate film, preferably the homopolymer of naphthalene-2,6-dicarboxylic acid and ethylene glycol (PEN), comprising a UV absorbing compound of general formula Q--CO--CO--X (explained in the description) for quenching of the UV fluorescence at 429 nm. The polymeric film is preferably used as support for a photographic material, preferably a colour negative or colour reversal photographic material.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: November 23, 1999
    Assignee: Agfa-Gevaert, N.V.
    Inventor: August Marien
  • Patent number: 5981128
    Abstract: An amorphous complex macromolecular compound is provided hat comprises in its macromolecular structure,(i) an amorphous polycondensation backbone, the corresponding backbone polymer having a Tg of at least 45.degree. C. and(ii) at least one polymer chain attached to the backbone, either terminally and/or in a side-chain, this polymer chain being derived from a polymer which on itself has an average molecular weight by number (M.sub.avg) so that 400.ltoreq.M.sub.avg .ltoreq.4000, a melting point between 50.degree. C. and 150.degree. C. and a melting range of at most 15.degree. C.There are also provided methods for the production of the amorphous complex macromolecular compound.Further are provided toner particles and toner receiving substrates comprising the amorphous complex macromolecular compound mentioned above.
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: November 9, 1999
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Serge Tavernier, August Marien, Werner Op de Beeck
  • Patent number: 5888657
    Abstract: An image receptor sheet or web material carrying a layer with a polymeric binder on a support wherein the polymeric binder is at least 50% by weight of a polysiloxane modified resin and comprises polymeric moieties derived from polyesters or addition polymers with an acid value or hydroxy value between 2 and 50 mg KOH/g of polymer and the polysiloxane moieties are derived from epoxy-terminated polysiloxanes.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: March 30, 1999
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Serge Tavernier, August Marien, Werner Op de Beeck
  • Patent number: 5824465
    Abstract: Disclosed is a polyalkylene naphthalate film, preferably the homopolymer of naphthalene-2,6-dicarboxylic acid and ethylene glycol (PEN), comprising a UV absorbing compound of the 2-hydroxyphenyl-triazine type for quenching of the UV fluorescence at 429 nm. The polymeric film is preferably used as support for a photographic material, preferably a color negative or color reversal photographic material.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: October 20, 1998
    Assignee: Agfa-Gevaert, N.V.
    Inventors: August Marien, Jorg Hagemann, Beate Weber
  • Patent number: 5620825
    Abstract: There are provided dry toner particles wherein the toner resin comprises more than 10% by weight of one or more polysiloxane modified resins. In this resin the polysiloxane moieties are attached to the other polymeric moieties (POL) of said copolymer over an ether group or an ester group. In a preferred embodiment the toner resin of the dry toner particles consists of one or more polysiloxane modified resins.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: April 15, 1997
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Serge Tavernier, August Marien, Werner Op de Beeck
  • Patent number: 5411843
    Abstract: A photographic material comprising at least one silver halide emulsion layer and a copolyester support-said copolyester comprising polyether group(s) in the side chain is disclosed.Preferably the copolyester is prepared by copolycondesing diol moieties that comprise a polyether group substituted with a sulfonic acid group in acid or salt form into the copolyester.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: May 2, 1995
    Assignee: AGFA-Gevaert, N.V.
    Inventors: August Marien, Marc Stevens, Joannes Verheijen
  • Patent number: 5376501
    Abstract: Processes are disclosed for incorporating a water-insoluble substance in a diffusion resistant form into a hydrophilic colloidal layer of an element. In a first process A the water-insoluble substance is present during the polycondensation of diol(s) or polyol(s) and carboxylic acids, whereby at least 6 mole % of the reagents bear a water-solubilizing group, preferably a sulpho group in the salt form; the obtained mixture of polyester and water-insoluble substance is then dispersed in an aqueous medium. In an alternative process B the polyester is first prepared and then mixed homogeneously with the hydrophobe substance by melting in a reactor or extruder; the mixture is then similarly dispersed. The obtained latex is then incorporated in a hydrophilic colloidal layer which is coated on a support.The obtained element can serve as base for a reprographic image, e.g. a color proof image, or can form part of a complete photographic material.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: December 27, 1994
    Assignee: Agfa-Gevaert, N.V.
    Inventors: August Marien, Raf Voets, Rafael Samijn, Marc Stevens
  • Patent number: 5376149
    Abstract: Dye-receiving element for thermal dye sublimation transfer comprising a support having on one side a dye-receiving layer and, optionally on the other side a backcoat layer, the support carrying on at least one side a subbing layer comprising a copolyester formed by polycondensation of at least one aromatic dicarboxylic acid and at least one aliphatic diol, wherein the copolyester further comprises at least one comohomer having at least one sulfonate group in the acid form, alkalimetal salt form, and mixtures thereof.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: December 27, 1994
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Geert Defieuw, Luc Van Steen, Eric Mostaert, August Marien
  • Patent number: 5324706
    Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side a dye layer and on the other side a heat-resistant layer, said support carrying on at least one side a subbing layer comprising a polyester formed by polycondensation of at least one aromatic dicarboxylic acid and at least one aliphatic diol, wherein said polyester is a copolyester further comprising units derived from at least one multifunctional comonomer carrying at least 3 functional groups, which may be same or different and are chosen from hydroxy and carboxy groups including so-called latent carboxy groups.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: June 28, 1994
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Geert Defieuw, August Marien