Patents by Inventor Ralf Mattes

Ralf Mattes 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: 20240083109
    Abstract: The invention describes a laser printing system (100) for illuminating an object moving relative to a laser module of the laser printing system (100) in a working plane (180), the laser module comprising at least two laser arrays of semiconductor lasers and at least one optical element, wherein the optical element is adapted to image laser light emitted by the laser arrays, such that laser light of semiconductor lasers of one laser array is imaged to one pixel in the working plane of the laser printing system, and wherein the laser printing system is a 3D printing system for additive manufacturing and wherein two, three, four or a multitude of laser modules (201, 202) are provided, which are arranged in columns (c1, c2) perpendicular to a direction of movement (250) of the object in the working plane (180), and wherein the columns are staggered with respect to each other such that a first laser module (201) of a first column of laser modules (c1) is adapted to illuminate a first area (y1) of the object and a
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicant: EOS GmbH Electro Optical Systems
    Inventors: Thomas Mattes, Stefan Paternoster, Gerd Cantzler, Jochen Philippi, Stephan Gronenborn, Gero Heusler, Holger Moench, Ralf Conrads
  • Patent number: 7393679
    Abstract: A whole cell catalyst is described comprising a hydantoinase, a racemase and a carbamoylase. Thus this catalyst is able to degrade hydantoins directly into the amino acids. Additionally, a process for the production of this catalysts and for the production of amino acids is claimed.
    Type: Grant
    Filed: January 2, 2003
    Date of Patent: July 1, 2008
    Assignees: University of Stuttgart, Degussa AG
    Inventors: Joseph Altenbuchner, Ralf Mattes, Christoph Syldatk, Anja Wiese, Burkard Wilms, Andreas Bommarius, Wilhelm Tischer
  • Patent number: 7208307
    Abstract: The invention relates to sucrose isomerases, to DNA sequences that code for sucrose isomerases, and to novel processes for the production of non-cariogenic sugars.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: April 24, 2007
    Assignee: Sudzucker Aktiengesellschaft
    Inventors: Ralf Mattes, Kathrin Klein, Hurbert Schiweck, Markwart Kunz, Mohammed Munir
  • Patent number: 7208301
    Abstract: This invention concerns a method for enzymatic preparation of 6-O-?-D-glucopyranosyl-D-sorbitol (1,6-GPS) from isomaltulose. It is specified that the isomaltulose is put into an aqueous reaction solution containing a unit having sorbitol dehydrogenase (SDH) activity, incubated, and then 1,6-GPS is recovered from the reaction solution.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: April 24, 2007
    Assignee: Südzucker Aktiengesellschaft Mannheim/Ochsenfurt
    Inventors: Markwart Kunz, Mohammad Munir, Ralf Mattes, Klaus Dieter Kulbe
  • Patent number: 6998258
    Abstract: The present invention relates to proteins which have an enzymatic activity for hydrolyzing L-pantolactone. The invention further relates to nucleic acids which code for these proteins, to nucleic acid constructs, vectors, genetically modified microorganisms and to a process for preparing D-pantolactone.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: February 14, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Maria Kesseler, Bernhard Hauer, Thomas Friedrich, Ralf Mattes
  • Publication number: 20060008574
    Abstract: This invention concerns a method for preparation of galactosyl isomalt and galactosyl isomalt, the products and intermediate products that are obtained, and their use.
    Type: Application
    Filed: June 6, 2003
    Publication date: January 12, 2006
    Inventors: Alireza Begli, Michael Klingeberg, Markwart Kunz, Ralf Mattes, Sven Schroder, Joachim Thiem, Manfred Vogel
  • Publication number: 20050244936
    Abstract: The instant invention is directed to a rec-hydantoin-racemase from Arthrobacter aurescens DSM 3747. Furthermore, the gene encoding for the racemase and plasmids, vectors and microorganisms comprising this gene are to be protected. Use in a process for the production of amino carboxylic acids or derivatives thereof.
    Type: Application
    Filed: June 1, 2005
    Publication date: November 3, 2005
    Applicants: DEGUSSA AG, UNIVERSITAT STUTTGART
    Inventors: Josef Altenbuchner, Ralf Mattes, Markus Pietzsch, Christoph Syldatk, Anja Wiese, Andreas Bommarius, Wilhelm Tischer
  • Patent number: 6953677
    Abstract: A novel rec-L-N-carbamoylase from Arthrobacter aurescens and its method of use for producing L-amino acids. The recombinantly produced L-carbamoylase is unexpectedly stable, so that an industrial method of producing L-amino acids can be established with it, in contrast to previously known L-carbamoylases.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: October 11, 2005
    Assignees: Degussa AG, Universitat Stuttgart
    Inventors: Josef Altenbuchner, Ralf Mattes, Markus Pietzsch, Christoph Syldatk, Anja Wiese, Burkard Wilms
  • Patent number: 6884611
    Abstract: The invention relates to sucrose isomerases, to DNA sequences that code for sucrose isomerases, and to novel processes for the production of non-cariogenic sugars.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: April 26, 2005
    Assignee: Sudzucker Aktiengesellschaft
    Inventors: Ralf Mattes, Kathrin Klein, Hurbert Schiweck, Markwart Kunz, Mohammed Munir
  • Patent number: 6869783
    Abstract: The invention relates to nucleic acid sequences which code for a polypeptide having nitrilase activity, to nucleic acid constructs comprising the nucleic acid sequences, and to vectors comprising the nucleic acid sequences or the nucleic acid constructs. The invention further relates to amino acid sequences which are encoded by the nucleic acid sequences, and to microorganisms comprising the nucleic acid sequences, the nucleic acid constructs or vectors comprising the nucleic acid sequences or the nucleic acid constructs. The invention additionally relates to a process for preparing chiral carboxylic acids from the racemic nitriles.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: March 22, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Marion Ress-Löschke, Thomas Friedrich, Bernhard Hauer, Ralf Mattes, Dirk Engels
  • Publication number: 20040209356
    Abstract: This invention concerns a method for enzymatic preparation of 6-O-&agr;-D-glucopyranosyl-D-sorbitol (1,6-GPS) from isomaltulose. It is specified that the isomaltulose is put into an aqueous reaction solution containing a unit having sorbitol dehydrogenase (SDH) activity, incubated, and then 1,6-GPS is recovered from the reaction solution.
    Type: Application
    Filed: February 6, 2003
    Publication date: October 21, 2004
    Inventors: Markwart Kunz, Mohammad Munir, Ralf Mattes, Klaus Dieter Kulbe
  • Publication number: 20040110262
    Abstract: A novel rec-L-N-carbamoylase from Arthrobacter aurescens and its method of use for producing L-amino acids. The recombinantly produced L-carbamoylase is unexpectedly stable, so that an industrial method of producing L-amino acids can be established with it, in contrast to previously known L-carbamoylases.
    Type: Application
    Filed: January 15, 2002
    Publication date: June 10, 2004
    Applicants: Degussa-Huls Aktiengesellschaft, Universitat Stuttgart, Roche Diagnostics GmbH
    Inventors: Josef Altenbuchner, Ralf Mattes, Markus Pietzsch, Christoph Syldatk, Anja Wiese, Burkard Wilms
  • Publication number: 20040086902
    Abstract: The present invention relates to nucleic acids encoding modified polypeptides with fructosyl transferase activity, vectors containing this nucleic acid for the expression of the modified fructosyl transferase in prokaryotic or eukaryotic cells, host cells and/or transgenic plants containing these vectors, methods for producing high-molecular polyfructans with primarily &bgr;-1,2 bonds and a very low degree of branching, in particular inulin, method for producing fructooligosaccharides using the inulin produced according to the invention or using saccharose, as well as methods for producing difructose dianhydrides using the inulin produced according to the invention or using saccharose, as well as the use of the inulin produced according to the invention for the production of inulin ethers and inulin esters, and the use of fructooligosaccharides or hydrogenated fructooligosaccharides and difructose dianhydrides as a food additive, in particular as a dietetic food.
    Type: Application
    Filed: December 8, 2003
    Publication date: May 6, 2004
    Inventors: Dirk Engels, Alireza Haji Begli, Markwart Kunz, Ralf Mattes, Mohammad Munir, Manfred Vogel
  • Publication number: 20040064851
    Abstract: The present invention concerns a transgenic plant which can produce isomaltulose, a transgenic plant which can produce 6-O-&agr;-D-glucopyranosyl-D-sorbitol, a transgenic plant which can produce 1-O-&agr;-D-glucopyranosyl-D-mannitol, a transgenic plant which can produce a mixture of 1,6-GPs and 1,1-GPM, propagation and harvest material from these plants, and a process for producing these transgenic plants.
    Type: Application
    Filed: August 18, 2003
    Publication date: April 1, 2004
    Inventors: Markwart Kunz, Ralf Mattes, Mohammed Munir, Manfred Vogel
  • Patent number: 6713288
    Abstract: A microorganism is described which is transformed with DNAs which encode a hydantoinnase, a racemase, and a carbamoylase. As a result, the microorganism is able to degrade hydantoins directly to amino acids. A process for the production of the microorganism and a process for producing amino acids with the microorganism is also described.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: March 30, 2004
    Assignees: University of Stuttgart, Degussa AG
    Inventors: Josef Altenbuchner, Andreas Bommarius, Ralf Mattes, Christoph Syldatk, Wilhelm Tischer, Anja Wiese, Burkard Wilms
  • Publication number: 20030207437
    Abstract: The invention relates to sucrose isomerases, to DNA sequences that code for sucrose isomerases, and to novel processes for the production of non-cariogenic sugars.
    Type: Application
    Filed: June 18, 2003
    Publication date: November 6, 2003
    Applicant: Sudzucker Aktiengesellschaft
    Inventors: Ralf Mattes, Kathrin Klein, Hurbert Schiweck, Markwart Kunz, Mohammed Munir
  • Publication number: 20030203468
    Abstract: The invention relates to sucrose isomerases, to DNA sequences that code for sucrose isomerases, and to novel processes for the production of non-cariogenic sugars.
    Type: Application
    Filed: June 18, 2003
    Publication date: October 30, 2003
    Applicant: Sudzucker Aktiengesellschaft
    Inventors: Ralf Mattes, Kathrin Klein, Hurbert Schiweck, Markwart Kunz, Mohammed Munir
  • Publication number: 20030175910
    Abstract: A whole cell catalyst is described comprising a hydantoinase, a racemase and a carbamoylase. Thus this catalyst is able to degrade hydantoins directly into the amino acids.
    Type: Application
    Filed: January 2, 2003
    Publication date: September 18, 2003
    Applicant: University of Stuttgart
    Inventors: Josef Altenbuchner, Andreas Bommarius, Ralf Mattes, Christoph Syldatk, Wilhelm Tischer, Anja Wiese, Burkard Wilms
  • Publication number: 20030157672
    Abstract: The invention relates to nucleic acid sequences which code for a polypeptide having nitrilase activity, to nucleic acid constructs comprising the nucleic acid sequences, and to vectors comprising the nucleic acid sequences or the nucleic acid constructs. The invention further relates to amino acid sequences which are encoded by the nucleic acid sequences, and to microorganisms comprising the nucleic acid sequences, the nucleic acid constructs or vectors comprising the nucleic acid sequences or the nucleic acid constructs.
    Type: Application
    Filed: September 3, 2002
    Publication date: August 21, 2003
    Inventors: Marion Ress-Loschke, Bernhard Hauer, Ralf Mattes, Dirk Engels
  • Publication number: 20030087416
    Abstract: The invention relates to sucrose isomerases, to DNA sequences that code for sucrose isomerases, and to novel processes for the production of non-cariogenic sugars.
    Type: Application
    Filed: February 4, 2002
    Publication date: May 8, 2003
    Inventors: Ralf Mattes, Kathrin Klein, Hurbert Schiweck, Markwart Kunz, Mohammed Munir