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: 10253305
    Abstract: A variant polypeptide having chymosin activity, wherein the variant has an amino acid sequence which, when aligned with the chymosin comprising the sequence set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue corresponding to any of amino acids 2, 22, 40, 48, 50, 51, 53, 61, 62, 76, 88, 98, 99, 109, 112, 117, 125, 126, 135, 144, 160, 161, 163, 187, 189, 194, 200, 201, 202, 203, 221, 223, 240, 242, 244, 254, 267, 271, 273, 278, 280, 284, 289, 292, 294 or 295 said positions being defined with reference to SEQ ID NO: 2 and wherein the variant has one or more altered properties as compared with a reference polypeptide having chymosin activity. Such a variant polypeptide may be used in the preparation of a cheese.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: April 9, 2019
    Assignee: DSM IP ASSETS B.V.
    Inventors: Petrus Jacobus Theodorus Dekker, Rene Marcel De Jong, Cornelis Marinus Muijlwijk
  • Patent number: 10167463
    Abstract: The invention relates to a polypeptide having chymosin activity which: a. is capable of hydrolyzing bovine alpha s1-casein at position F23F24 so as to form ?s1-I CN (f24-199) more rapidly than camel chymosin; and b. has a C/P ratio higher than the C/P ratio of bovine chymosin.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: January 1, 2019
    Assignee: DSM IP ASSETS B.V.
    Inventors: Petrus Jacobus Theodorus Dekker, Rene Marcel De Jong, Michael Dennis Tabeling, Cornelis Marinus Muijlwijk
  • Publication number: 20180320156
    Abstract: The invention relates to a variant polypeptide having lactase activity. The invention also relates to a nucleic acid sequence encoding such a variant polypeptide, to a nucleic acid construct comprising said nucleic acid sequence, to a recombinant expression vector comprising said nucleic acid construct and to a recombinant host cell comprising said expression vector. Further, the invention relates to a method for producing a lactase variant via use of such a host cell. Also, the invention relates to a method of producing a lactase polypeptide variant. The invention further relates to a composition comprising a lactase variant, to use of such a lactase variant or to the use of a lactase variant-containing composition in the preparation of a dairy product, to a process for the production of a dairy product and to the resulting dairy product.
    Type: Application
    Filed: May 4, 2018
    Publication date: November 8, 2018
    Inventors: René Marcel DE JONG, Ulrike Maria MÜLLER, Petrus Jacobus Theodorus DEKKER
  • Patent number: 10100320
    Abstract: The invention relates to a cell which comprises a nucleotide sequence encoding a xylose isomerase, wherein the amino acid sequence of the xylose isomerase has at least 75% sequence identity to the amino acid sequence set out in SEQ ID NO: 2 and wherein the nucleotide sequence is heterologous to the host. A cell of the invention may be used in a process for producing a fermentation product, such as ethanol. Such a process may comprise fermenting a medium containing a source of xylose with a cell of the invention such that the cell ferments xylose to the fermentation product.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: October 16, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: Paul Klaassen, Gijsberdina Pieternella Van Suylekom, Rene Marcel De Jong
  • Publication number: 20180245059
    Abstract: The invention relates to a polypeptide having hemicellulase activity. The invention features the full length coding sequence of the novel gene as well as the amino acid sequence of the full-length functional protein and functional equivalents of the gene or the amino acid sequence. The invention also relates to methods for using the polypeptide in industrial processes. Also included in the invention are cells transformed with a polynucleotide according to the invention suitable for producing these proteins.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 30, 2018
    Inventors: Alrik Pieter LOS, Rene Marcel DE JONG, Maaike APPELDOORN
  • Patent number: 10000537
    Abstract: The invention relates to a polypeptide having one or more substitution at a position corresponding to position 339 or 376 of SEQ ID NO: 59, wherein the polypeptide is a member of the Major Facilitator Superfamily (MFS). In an embodiment, the substitution is at position corresponding to 376 and wherein the amino acid at that position is replaced by an amino acid that has a van der Waals volume of 80 to 138 ?3 and a side chain hydrophobicity of 10 to 100 ?tR.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: June 19, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: Paul Klaassen, Paulus Petrus De Waal, Rene Marcel De Jong, Arnold Jacob Mattieu Driessen, Jeroen Gerben Nijland, Hyun Yong Shin
  • Patent number: 9994837
    Abstract: The invention relates to a variant polypeptide having lactase activity. The invention also relates to a nucleic acid sequence encoding such a variant polypeptide, to a nucleic acid construct comprising said nucleic acid sequence, to a recombinant expression vector comprising said nucleic acid construct and to a recombinant host cell comprising said expression vector. Further, the invention relates to a method for producing a lactase variant via use of such a host cell. Also, the invention relates to a method of producing a lactase polypeptide variant. The invention further relates to a composition comprising a lactase variant, to use of such a lactase variant or to the use of a lactase variant-containing composition in the preparation of a dairy product, to a process for the production of a dairy product and to the resulting dairy product.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: June 12, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: René Marcel De Jong, Ulrike Maria Müller, Petrus Jacobus Theodorus Dekker
  • Patent number: 9988615
    Abstract: The invention relates to a polypeptide having hemicellulase activity. The invention features the full length coding sequence of the novel gene as well as the amino acid sequence of the full-length functional protein and functional equivalents of the gene or the amino acid sequence. The invention also relates to methods for using the polypeptide in industrial processes. Also included in the invention are cells transformed with a polynucleotide according to the invention suitable for producing these proteins.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: June 5, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: Alrik Pieter Los, Rene Marcel De Jong, Maaike Appeldoorn
  • Publication number: 20180134986
    Abstract: The present invention relates to a polypeptide having phospholipase C activity, selected from the group consisting of i. a polypeptide comprising a mature polypeptide sequence of SEQ ID NO: 2; ii. a polypeptide that has least 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% identity to the mature polypeptide sequence of SEQ ID NO: 2; iii. a polypeptide encoded by a nucleic acid that hybridizes under medium stringency, preferably under high stringency conditions to the complementary strand of the mature polypeptide coding sequence of SEQ ID NO:1; iv. a polypeptide encoded by a nucleic acid that has at least 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% identity to the mature polypeptide coding sequence of SEQ ID NO: 1.
    Type: Application
    Filed: April 8, 2016
    Publication date: May 17, 2018
    Applicant: DSM IP ASSETS B.V.
    Inventors: Arjen SEIN, Rene Marcel DE JONG, Evert Tjeerd VAN RIJ, Willem BIJLEVELD, Maarten Hotse WILBRINK
  • Patent number: 9944905
    Abstract: The present invention relates to a variant polypeptide having fumarate reductase activity, which has modified NADP(H)-dependent and/or NAD(H)-dependent activity as compared with a reference polypeptide having fumarate reductase activity. Such a variant may be overexpressed in a host cell in order to improve production of a dicarboxylic acid.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 17, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: René Marcel De Jong, Zheng Zhao, Ben Den Dulk, Remko Tsjibbe Winter
  • Publication number: 20180030427
    Abstract: A variant polypeptide having chymosin activity, wherein the variant has an amino acid sequence which, when aligned with the chymosin comprising the sequence set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue corresponding to any of amino acids 2, 22, 40, 48, 50, 51, 53, 61, 62, 76, 88, 98, 99, 109, 112, 117, 125, 126, 135, 144, 160, 161, 163, 187, 189, 194, 200, 201, 202, 203, 221, 223, 240, 242, 244, 254, 267, 271, 273, 278, 280, 284, 289, 292, 294 or 295 said positions being defined with reference to SEQ ID NO: 2 and wherein the variant has one or more altered properties as compared with a reference polypeptide having chymosin activity. Such a variant polypeptide may be used in the preparation of a cheese.
    Type: Application
    Filed: October 12, 2017
    Publication date: February 1, 2018
    Inventors: Petrus Jacobus Theodorus DEKKER, Rene Marcel De Jong, Cornelis Marinus Muijlwijk
  • Publication number: 20180007917
    Abstract: A variant polypeptide having alpha-amylase activity, wherein the variant has an amino acid sequence which, when aligned with the alpha-amylase comprising the sequence set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue. Such a variant polypeptide may be used in the preparation of a baked product.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 11, 2018
    Inventors: Rene Marcel DE JONG, Hanna Elsabet ABBAS, Evert Tjeerd VAN RIJ
  • Patent number: 9822352
    Abstract: A variant polypeptide having chymosin activity, wherein the variant has an amino acid sequence which, when aligned with the chymosin comprising the sequence set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue corresponding to any of amino acids 2, 22, 40, 48, 50, 51, 53, 61, 62, 76, 88, 98, 99, 109, 112, 117, 125, 126, 135, 144, 160, 161, 163, 187, 189, 194, 200, 201, 202, 203, 221, 223, 240, 242, 244, 254, 267, 271, 273, 278, 280, 284, 289, 292, 294 or 295 said positions being defined with reference to SEQ ID NO: 2 and wherein the variant has one or more altered properties as compared with a reference polypeptide having chymosin activity. Such a variant polypeptide may be used in the preparation of a cheese.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: November 21, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Petrus Jacobus Theodorus Dekker, Rene Marcel De Jong, Cornelis Marinus Muijlwijk
  • Patent number: 9808018
    Abstract: A variant polypeptide having alpha-amylase activity, wherein the variant has an amino acid sequence which, when aligned with the alpha-amylase comprising the sequence set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid residue. Such a variant polypeptide may be used in the preparation of a baked product.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: November 7, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Rene Marcel De Jong, Hanna Elisabet Abbas, Evert Tjeerd Van Rij
  • Publication number: 20170268012
    Abstract: The invention relates to a cell which comprises a nucleotide sequence encoding a xylose isomerase, wherein the amino acid sequence of the xylose isomerase has at least 75% sequence identity to the amino acid sequence set out in SEQ ID NO: 2 and wherein the nucleotide sequence is heterologous to the host. A cell of the invention may be used in a process for producing a fermentation product, such as ethanol. Such a process may comprise fermenting a medium containing a source of xylose with a cell of the invention such that the cell ferments xylose to the fermentation product.
    Type: Application
    Filed: June 2, 2017
    Publication date: September 21, 2017
    Inventors: Paul KLAASSEN, Gijsberdina Pieternella Van Suylekom, Rene Marcel De Jong
  • Patent number: 9701972
    Abstract: The invention relates to a cell which comprises a nucleotide sequence encoding a xylose isomerase, wherein the amino acid sequence of the xylose isomerase has at least 75% sequence identity to the amino acid sequence set out in SEQ ID NO: 2 and wherein the nucleotide sequence is heterologous to the host. A cell of the invention may be used in a process for producing a fermentation product, such as ethanol. Such a process may comprise fermenting a medium containing a source of xylose with a cell of the invention such that the cell ferments xylose to the fermentation product.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: July 11, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Paul Klaassen, Gijsberdina Pieternella Van Suylekom, Rene Marcel De Jong
  • Publication number: 20170029476
    Abstract: The present invention relates to a nucleic acid construct comprising: a nucleic acid sequence encoding an ice structuring protein (ISP) comprising the sequence set out in SEQ ID NO: 1 or a sequence at least 80% identical thereto or comprising the sequence set out in amino acids 21 to 261 of SEQ ID NO: 1 or a sequence at least 80% identical thereto; and, linked operably thereto, control sequences permitting expression of the nucleic acid sequence in a filamentous fungal host cell. The construct may be used in a method for the production of an ISP, wherein the ISP is expressed in a filamentous fungal host cell.
    Type: Application
    Filed: December 2, 2014
    Publication date: February 2, 2017
    Applicant: DSM IP ASSETS B.V.
    Inventors: René Marcel DE JONG, Petrus Jacobus THEODORUS
  • Publication number: 20160333331
    Abstract: The invention relates to a variant polypeptide having lactase activity. The invention also relates to a nucleic acid sequence encoding such a variant polypeptide, to a nucleic acid construct comprising said nucleic acid sequence, to a recombinant expression vector comprising said nucleic acid construct and to a recombinant host cell comprising said expression vector. Further, the invention relates to a method for producing a lactase variant via use of such a host cell. Also, the invention relates to a method of producing a lactase polypeptide variant. The invention further relates to a composition comprising a lactase variant, to use of such a lactase variant or to the use of a lactase variant-containing composition in the preparation of a dairy product, to a process for the production of a dairy product and to the resulting dairy product.
    Type: Application
    Filed: January 13, 2015
    Publication date: November 17, 2016
    Applicant: DSM IP ASSETS B.V.
    Inventors: René Marcel DE JONG, Ulrike Maria MÜLLER, Petrus Jacobus Theodorus DEKKER
  • Publication number: 20160319245
    Abstract: The present invention relates to a variant polypeptide having fumarate reductase activity, which has modified NADP(H)-dependent and/or NAD(H)-dependent activity as compared with a reference polypeptide having fumarate reductase activity. Such a variant may be overexpressed in a host cell in order to improve production of a dicarboxylic acid.
    Type: Application
    Filed: December 12, 2014
    Publication date: November 3, 2016
    Inventors: René Marcel DE JONG, Zheng ZHAO, Ben DEN DULK, Remko Tsjibbe WINTER
  • Patent number: 9441214
    Abstract: The invention relates to a polypeptide comprising the amino acid sequence set out in SEQ ID NO: 2 or an amino acid sequence encoded by the nucleotide sequence of SEQ ID NO: 1, or a variant polypeptide or variant polynucleotide thereof, wherein the variant polypeptide has at least 96% sequence identity with the sequence set out in SEQ ID NO: 2 or the variant polynucleotide encodes a polypeptide that has at least 96% sequence identity with the sequence set out in SEQ ID NO: 2. The invention features the full length coding sequence of the novel gene as well as the amino acid sequence of the full-length functional polypeptide and functional equivalents of the gene or the amino acid sequence. The invention also relates to methods for using the polypeptide in industrial processes. Also included in the invention are cells transformed with a polynucleotide according to the invention suitable for producing these proteins.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: September 13, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Margot Elisabeth Francoise Schoonneveld-Bergmans, Wilbert Herman Marie Heijne, Rene Marcel De Jong, Robbertus Antonius Damveld