Patents by Inventor René Marcel De Jong

René Marcel De Jong 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: 11944104
    Abstract: The present invention relates to a variant polypeptide having maltogenic alpha-amylase activity wherein the polypeptide comprises an amino acid sequence, which, when aligned with an amino acid sequence of SEQ ID NO: 1, comprises an amino acid substitution F188L/I, S200N, and D261G, and optionally a further amino acid substitution T288P, wherein the amino acid substitutions are determined with reference to SEQ ID NO: 1, and wherein the polypeptide has an amino acid sequence which has at least 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or at least 99% identity to the amino acid sequence of SEQ ID NO: 1. The invention also relates to a process for the preparation of a dough or a baked product wherein the variant polypeptide is used.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: April 2, 2024
    Assignee: DSM IP ASSETS B.V.
    Inventors: Joke Anneleen Putseys, Aloysius Wilhelmus Rudolphus Hubertus Teunissen, René Marcel De Jong, Jeroen Godefrooij, Helma Arina Stolze-Lagerweij
  • Publication number: 20230374443
    Abstract: A Saccharomyces yeast cell, preferably a Saccharomyces cerevisae yeast cell, comprising one or more nucleic acid sequences encoding an enzyme having NADH-dependent nitrate reductase activity and/or one or more nucleic acid sequences encoding an enzyme having NADH-dependent nitrite reductase activity. An anaerobic fermentation process for the production of a fermentation product using such Saccharomyces yeast cell and a fermentation co-product produced.
    Type: Application
    Filed: October 5, 2021
    Publication date: November 23, 2023
    Inventors: Hans Marinus Charles Johannes DE BRUIJN, Phillip E. BUREMAN, Evert Tjeerd VAN RIJ, René Marcel DE JONG
  • Publication number: 20230265443
    Abstract: The present invention is related to a novel process for production of retinyl acetate in a host cell, particularly oleaginous yeast such as e.g. Yarrowia, growing on triglyceride oils, such as e.g. vegetable oil, wherein the host cell exhibits modified lipase activity in such a way that conversion of retinol into fatty acid retinyl esters (FAREs) is reduced or abolished. Such process is especially useful in a biotechnological process for production of vitamin A.
    Type: Application
    Filed: July 22, 2021
    Publication date: August 24, 2023
    Inventors: Peter Louis HOUSTON, Valmik Kanubhai VYAS, René Marcel DE JONG, Anna SYMBOR-NAGRABSKA, Ethan LAM
  • Publication number: 20230250406
    Abstract: The present invention relates to a polypeptide having lipase activity wherein the polypeptide when aligned with the polypeptide according to SEQ ID NO: 1, comprises at least an amino acid substitution G414X, wherein the numbering of amino acid position(s) is/are defined with reference to SEQ ID NO: 1. The invention further relates to a process for preparing a product comprising an oil or fat comprising bringing an intermediary form of the product comprising oil or fat into contact with a polypeptide as disclosed herein and the use of a polypeptide as disclosed herein to saturated fatty acids in an oil or fat.
    Type: Application
    Filed: May 17, 2019
    Publication date: August 10, 2023
    Inventors: René Marcel DE JONG, Willem BIJLEVELD, Paul Frederick MUGFORD
  • Publication number: 20230227510
    Abstract: The disclosure provides a recombinant cell capable of producing a steviol glycoside, wherein the cell comprises a nucleic acid coding for a variant of a parent polypeptide, wherein the variant has steviol glycoside transport mediating activity, wherein the variant comprises an amino acid sequence which, when aligned with the amino acid sequence of the parent polypeptide, comprises at least one modification of the amino acid residue corresponding to any of the amino acids in the amino acid sequence of the parent polypeptide, wherein the variant has an improved ability to produce rebaudioside M and optionally other steviol glycosides extracellularly if compared with the parent polytpeptide when measured under the same conditions.
    Type: Application
    Filed: February 10, 2023
    Publication date: July 20, 2023
    Inventors: Johannes Gustaaf Ernst VAN LEEUWEN, Viktor Marius BOER, Priscilla ZWARTJENS, Jos VAN VUGT, René Marcel DE JONG
  • Patent number: 11667902
    Abstract: The present disclosure describes a variant polypeptide having lipolytic activity, wherein the variant has an amino acid sequence which, when aligned with the amino acid sequence as set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue at a position corresponding to any of the positions 113, 122, 138, 141, 179, 282, 284, 286, 295, said positions being defined with reference to SEQ ID NO: 2, and wherein said variant has at least 70% identity with the mature polypeptide having lipolytic activity as set out in SEQ ID NO: 2. Such a variant polypeptide may be used in the preparation of a baked product.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: June 6, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Rene Marcel De Jong, Chantal Christis, Neil Carr
  • Patent number: 11608364
    Abstract: The disclosure provides a recombinant cell capable of producing a steviol glycoside, wherein the cell comprises a nucleic acid coding for a variant of a parent polypeptide, wherein the variant has steviol glycoside transport mediating activity, wherein the variant comprises an amino acid sequence which, when aligned with the amino acid sequence of the parent polypeptide, comprises at least one modification of the amino acid residue corresponding to any of the amino acids in the amino acid sequence of the parent polypeptide, wherein the variant has an improved ability to produce rebaudioside M and optionally other steviol glycosides extracellularly if compared with the parent polypeptide when measured under the same conditions.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: March 21, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Gustaaf Ernst Van Leeuwen, Viktor Marius Boer, Priscilla Zwartjens, Jos Van Vugt, René Marcel De Jong
  • Publication number: 20230080079
    Abstract: The present invention relates to a polypeptide having lipase activity wherein the polypeptide when aligned with the polypeptide according to SEQ ID NO: 1, comprises at least an amino acid substitution L410X and optionally one or more amino acid substitutions chosen from S365Q, S365N, L413M, G414A, G414S, G414V, G414T, V534L and V534l, wherein the 10 numbering of amino acid position(s) is/are defined with reference to SEQ ID NO: 1. The invention further relates to a process for preparing a product comprising an oil or fat comprising bringing an intermediary form of the product comprising oil or fat into contact with a polypeptide as disclosed herein and the use of a polypeptide as disclosed herein to saturated fatty acids in an oil or fat.
    Type: Application
    Filed: May 17, 2019
    Publication date: March 16, 2023
    Inventors: René Marcel DE JONG, Willem BIJLEVELD, Paul Frederick MUGFORD
  • Publication number: 20230049760
    Abstract: The present invention is related to a retinoid-producing host cell, particularly oleaginous yeast, modified such that the percentage of retinyl acetate based on the total retinoids produced by such host cell is increased during fermentation using triglyceride oils, like for example vegetable oil, as carbon source, wherein the activity of certain endogenous hydrolases or transferases involved in undesired conversions of retinol or retinol acetate is reduced or abolished. Particularly, such modified host cell might be useful in a biotechnological process for production of vitamin A.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 16, 2023
    Inventors: Jenna MCMAHON, Elvin Irsan KOOI, Liang WU, René Marcel DE JONG, Valmik Kanubhai VYAS, Peter Louis HOUSTON
  • Publication number: 20220356503
    Abstract: The present invention is related to a method for increasing the trans-specificity of a beta-carotene oxidase (BCO), particularly insect BCO, to be used in the production of vitamin A aldehyde (retinal) from conversion of beta-carotene, with at least about 75 to 100% of retinal in the trans-isoform.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 10, 2022
    Inventors: Peter Louis HOUSTON, René Marcel DE JONG
  • Patent number: 11447759
    Abstract: The invention relates to a polypeptide having hemicellulase activity which comprises the amino acid sequence set out in SEQ ID NO: 2, 7, 12, 17, 22, 27, 32, 37, 42, 47, 52, 57, 62, 67 or 72 or an amino acid sequence encoded by the nucleotide sequence of SEQ ID NO: 1, 6, 11, 16, 21, 26, 31, 36, 41, 46, 51, 56, 61, 66 or 71, SEQ ID NO: 4, 9, 14, 19, 24, 29, 34, 39, 44, 49, 54, 59, 64, 69 or 74, or a variant polypeptide or variant polynucleotide thereof, wherein the variant polypeptide has at least 75% sequence identity with the sequence set out in SEQ ID NO: 2, 7, 12, 17, 22, 27, 32, 37, 42, 47, 52, 57, 62, 67 or 72 or the variant polynucleotide encodes a polypeptide that has at least 75% sequence identity with the sequence set out in SEQ ID NO: 2, 7, 12, 17, 22, 27, 32, 37, 42, 47, 52, 57, 62, 67 or 72.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: September 20, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Alrik Pieter Los, Rene Marcel De Jong, Maaike Appeldoorn
  • Patent number: 11339379
    Abstract: The present invention relates to a recombinant host cell which is capable of producing a dicarboxylic acid and which comprises a mutant malate dehydrogenase resulting in an increased production of the dicarboxylic acid. The invention also relates to a process for producing a dicarboxylic acid, which method comprises fermenting said recombinant host cell in a suitable fermentation medium and producing the dicarboxylic acid.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: May 24, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Alrik Pieter Los, Rene Marcel De Jong, Remko Tsjibbe Winter, Ben Den Dulk
  • Publication number: 20220064607
    Abstract: The present invention is related to production of retinyl acetate generated via enzymatic conversion of retinol, said process including the use of modified enzymes with improved activity.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 3, 2022
    Inventors: Peter Louis HOUSTON, René Marcel DE JONG, Valmik Kanubhai VYAS, René VERWAAL, Jenna McMAHON, Anna SYMBOR-NAGRABSKA
  • Publication number: 20210238235
    Abstract: The disclosure provides a recombinant cell capable of producing a steviol glycoside, wherein the cell comprises a nucleic acid coding for a variant of a parent polypeptide, wherein the variant has steviol glycoside transport mediating activity, wherein the variant comprises an amino acid sequence which, when aligned with the amino acid sequence of the parent polypeptide, comprises at least one modification of the amino acid residue corresponding to any of the amino acids in the amino acid sequence of the parent polypeptide, wherein the variant has an improved ability to produce rebaudioside M and optionally other steviol glycosides extracellularly if compared with the parent polytpeptide when measured under the same conditions.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 5, 2021
    Inventors: Johannes Gustaaf Ernst VAN LEEUWEN, Viktor Marius BOER, Priscilla ZWARTJENS, Jos VAN VUGT, René Marcel DE JONG
  • Publication number: 20210161158
    Abstract: The present invention relates to a variant polypeptide having maltogenic alpha-amylase activity wherein the polypeptide comprises an amino acid sequence, which, when aligned with an amino acid sequence of SEQ ID NO: 1, comprises an amino acid substitution F188L/I, S200N, and D261G, and optionally a further amino acid substitution T288P, wherein the amino acid substitutions are determined with reference to SEQ ID NO: 1, and wherein the polypeptide has an amino acid sequence which has at least 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or at least 99% identity to the amino acid sequence of SEQ ID NO: 1. The invention also relates to a process for the preparation of a dough or a baked product wherein the variant polypeptide is used.
    Type: Application
    Filed: April 4, 2019
    Publication date: June 3, 2021
    Inventors: Joke Anneleen PUTSEYS, Aloysius Wilhelmus Rudolphus Hubertus TEUNISSEN, René Marcel DE JONG, Jeroen GODEFROOIJ, Helma Arina STOLZE-LAGERWEIJ
  • Publication number: 20210115418
    Abstract: The present invention relates to a variant polypeptide having a lipase activity, wherein the polypeptide may be a polypeptide that has an amino acid sequence which has at least 70% identity to a mature amino acid sequence of SEQ ID NO: 1 or SEQ ID NO: 6, wherein the polypeptide comprises an amino acid substitution at position 295 and at least one further amino acid substitution at position 113, 121, 179 and/or 284, wherein the positions are defined with reference to SEQ ID NO: 1 or SEQ ID NO: 6. The invention further relates to a process for preparing a dough wherein a polypeptide as disclosed herein is used and baked product prepared from the dough.
    Type: Application
    Filed: June 18, 2019
    Publication date: April 22, 2021
    Inventors: Joke Anneleen PUTSEYS, Neil CARR, René Marcel DE JONG, Aloysius Wilhelmus Rudolphus Hubertus TEUNISSEN
  • Publication number: 20210087542
    Abstract: The present disclosure describes a variant polypeptide having lipolytic activity, wherein the variant has an amino acid sequence which, when aligned with the amino acid sequence as set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue at a position corresponding to any of the positions 113, 122, 138, 141, 179, 282, 284, 286, 295, said positions being defined with reference to SEQ ID NO: 2, and wherein said variant has at least 70% identity with the mature polypeptide having lipolytic activity as set out in SEQ ID NO: 2. Such a variant polypeptide may be used in the preparation of a baked product.
    Type: Application
    Filed: December 2, 2020
    Publication date: March 25, 2021
    Inventors: Rene Marcel DE JONG, Chantal CHRISTIS, Neil CARR
  • Patent number: 10918113
    Abstract: The present disclosure describes a variant polypeptide having lipolytic activity, wherein the variant has an amino acid sequence which, when aligned with the amino acid sequence as set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue at a position corresponding to any of the positions 53, 112, 141, 178, 179, 182, 202, 203, 235, 282, 284, said positions being defined with reference to SEQ ID NO: 2, and wherein said variant has at least 70% identity with the mature polypeptide having lipolytic activity as set out in SEQ ID NO: 2. Such a variant polypeptide may be used in the preparation of a baked product.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: February 16, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Rene Marcel De Jong, Chantal Christis, Neil Carr
  • Patent number: 10889807
    Abstract: The present disclosure describes a variant polypeptide having lipolytic activity, wherein the variant has an amino acid sequence which, when aligned with the amino acid sequence as set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue at a position corresponding to any of the positions 113, 122, 138, 141, 179, 282, 284, 286, 295, said positions being defined with reference to SEQ ID NO: 2, and wherein said variant has at least 70% identity with the mature polypeptide having lipolytic activity as set out in SEQ ID NO: 2. Such a variant polypeptide may be used in the preparation of a baked product.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: January 12, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Rene Marcel De Jong, Chantal Christis, Neil Carr
  • Publication number: 20200385692
    Abstract: The present invention relates to a recombinant host cell which is capable of producing a dicarboxylic acid and which comprises a mutant malate dehydrogenase resulting in an increased production of the dicarboxylic acid. The invention also relates to a process for producing a dicarboxylic acid, which method comprises fermenting said recombinant host cell in a suitable fermentation medium and producing the dicarboxylic acid.
    Type: Application
    Filed: August 21, 2020
    Publication date: December 10, 2020
    Inventors: Alrik Pieter LOS, Rene Marcel DE JONG, Remko Tsjibbe WINTER, Ben DEN DULK