Patents by Inventor Elisabeth Maria Gierveld

Elisabeth Maria Gierveld 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).

  • Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars
    Patent number: 11421256
    Abstract: The invention relates to a process for the preparation of a fermentation product from ligno-cellulosic material, comprising the following steps: a) optionally pre-treatment b) optionally washing; c) enzymatic hydrolysis; d) fermentation; and e) optionally recovery of a fermentation product; wherein in step c) an enzyme composition is used that has a temperature optimum of 55 degrees C. or more, the hydrolysis time is 40 hours or more and the temperature is 50 degrees C. or more.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: August 23, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Petrus Smits, Elisabeth Maria Gierveld, Fop Van Der Hor
  • Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars
    Patent number: 11319560
    Abstract: The invention relates to a process for the preparation of a sugar and/or fermentation product from lignocellulosic material.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: May 3, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Petrus Smits, Elisabeth Maria Gierveld
  • PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FERMENTATION OF SUGARS
    Publication number: 20210002676
    Abstract: The invention relates to a process for the preparation of a sugar and/or fermentation product from lignocellulosic material.
    Type: Application
    Filed: September 17, 2020
    Publication date: January 7, 2021
    Inventors: Johannes Petrus SMITS, Elisabeth Maria GIERVELD
  • Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars
    Patent number: 10865427
    Abstract: The invention relates to a process for the preparation of a sugar and/or fermentation product from lignocellulosic material.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: December 15, 2020
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Petrus Smits, Elisabeth Maria Gierveld
  • PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FERMENTATION OF SUGARS
    Publication number: 20190382805
    Abstract: The invention relates to a process for the preparation of a sugar and/or fermentation product from lignocellulosic material.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 19, 2019
    Inventors: Johannes Petrus Smits, Elisabeth Maria Gierveld
  • Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars
    Patent number: 10435718
    Abstract: The invention relates to a process for the preparation of a sugar and/or fermentation product from lignocellulosic material.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: October 8, 2019
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Petrus Smits, Elisabeth Maria Gierveld
  • PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FERMENTATION OF SUGARS
    Publication number: 20190093137
    Abstract: The invention relates to a process for the preparation of a fermentation product from ligno-cellulosic material, comprising the following steps: a) optionally pre-treatment b) optionally washing; c) enzymatic hydrolysis; d) fermentation; and e) optionally recovery of a fermentation product; wherein in step c) an enzyme composition is used that has a temperature optimum of 55 degrees C. or more, the hydrolysis time is 40 hours or more and the temperature is 50 degrees C. or more.
    Type: Application
    Filed: October 17, 2018
    Publication date: March 28, 2019
    Inventors: Johannes Petrus Smits, Elisabeth Maria Gierveld, Fop Van Der Hor
  • PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FERMENTATION OF SUGARS
    Publication number: 20170247722
    Abstract: The invention relates to a process for the preparation of a sugar and/or fermentation product from lignocellulosic material.
    Type: Application
    Filed: October 19, 2015
    Publication date: August 31, 2017
    Applicant: DSM IP ASSETS B.V.
    Inventors: Johannes Petrus SMITS, Elisabeth Maria GIERVELD
  • PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERILA AND FERMENTATION OF SUGARS
    Publication number: 20120183993
    Abstract: The invention relates to a process for the preparation of a fermentation product from ligno-cellulosic material, comprising the following steps: a) optionally pre-treatment b) optionally washing; c) enzymatic hydrolysis; d) fermentation; and e) optionally recovery of a fermentation product; wherein in step c) an enzyme composition is used that has a temperature optimum of 55 degrees C. or more, the hydrolysis time is 40 hours or more and the temperature is 50 degrees C. or more.
    Type: Application
    Filed: October 5, 2010
    Publication date: July 19, 2012
    Applicant: DSM IP ASSETS B.V.
    Inventors: Johannes Petrus Smits, Elisabeth Maria Gierveld, Fop Cornelis Van Der Hor