Patents by Inventor Juan Herguijuela

Juan Herguijuela 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 the rectification of mixtures of high-boiling air- and/or temperature-sensitive useful products
    Patent number: 8747621
    Abstract: A process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive substances which require a high separation efficiency is proposed, in particular a process for the working-up of a VE- or VEA-containing product stream. The process includes a first purification stage to separate low-boiling products and unspecified isomers of the useful product from the product stream virtually without loss of useful product and a second purification stage for removing the useful product in a stream having a purity of >97% by weight and a further stream having a purity of >92% by weight.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: June 10, 2014
    Assignee: DSM IP Assets B.V.
    Inventors: Juan Herguijuela, Werner Pietzonka, Angela Wildermann, Thomas Wolf
  • PROCESS FOR THE RECTIFICATION OF MIXTURES OF HIGH-BOILING AIR- AND/OR TEMPERATURE-SENSITIVE USEFUL PRODUCTS
    Publication number: 20130284581
    Abstract: A process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive substances which require a high separation efficiency is proposed, in particular a process for the working-up of a VE- or VEA-containing product stream. The process includes a first purification stage to separate low-boiling products and unspecified isomers of the useful product from the product stream virtually without loss of useful product and a second purification stage for removing the useful product in a stream having a purity of >97% by weight and a further stream having a purity of >92% by weight.
    Type: Application
    Filed: April 1, 2013
    Publication date: October 31, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Juan HERGUIJUELA, Werner PIETZONKA, Angela WILDERMANN, Thomas WOLF
  • Process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive useful products
    Patent number: 8420838
    Abstract: According to the invention, a process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive substances which require a high separation efficiency is proposed, in particular a process for the working-up of a VE- or VEA-containing product stream. The process is characterized in particular in that, in a first purification stage, low-boiling products and unspecified isomers of the useful product are separated from the product stream virtually without loss of useful product and that, in a second purification stage, the useful product is removed in a stream having a purity of >97% by weight and a further stream having a purity of >92% by weight. A preferred embodiment of the process serves for working up VEA, in which the loss of useful product in the first purification stage is less than 5%, based on that amount of VEA in the feed which is added to the purification stage per unit time.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: April 16, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: Juan Herguijuela, Werner Pietzonka, Angela Wildermann, Thomas Wolf
  • PROCESS FOR THE RECTIFICATION OF MIXTURES OF HIGH-BOILING AIR- AND/OR TEMPERATURE-SENSITIVE USEFUL PRODUCTS
    Publication number: 20110036702
    Abstract: According to the invention, a process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive substances which require a high separation efficiency is proposed, in particular a process for the working-up of a VE- or VEA-containing product stream. The process is characterized in particular in that, in a first purification stage, low-boiling products and unspecified isomers of the useful product are separated from the product stream virtually without loss of useful product and that, in a second purification stage, the useful product is removed in a stream having a purity of >97% by weight and a further stream having a purity of >92% by weight. A preferred embodiment of the process serves for working up VEA, in which the loss of useful product in the first purification stage is less than 5%, based on that amount of VEA in the feed which is added to the purification stage per unit time.
    Type: Application
    Filed: October 25, 2010
    Publication date: February 17, 2011
    Inventors: Juan HERGUIJUELA, Warner Pietzonka, Angela Wildermann, Thomas Wolf
  • Process for the rectification of mixtures of high-boiling air-and/or temperature-sensitive useful products
    Patent number: 7858813
    Abstract: According to the invention, a process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive substances which require a high separation efficiency is proposed, in particular a process for the working-up of a VE- or VEA-containing product stream. The process is characterized in particular in that, in a first purification stage, low-boiling products and unspecified isomers of the useful product are separated from the product stream virtually without loss of useful product and that, in a second purification stage, the useful product is removed in a stream having a purity of >97% by weight and a further stream having a purity of >92% by weight. A preferred embodiment of the process serves for working up VEA, in which the loss of useful product in the first purification stage is less than 5%, based on that amount of VEA in the feed which is added to the purification stage per unit time.
    Type: Grant
    Filed: August 13, 2005
    Date of Patent: December 28, 2010
    Assignee: DSM IP Assets B.V.
    Inventors: Juan Herguijuela, Werner Pietzonka, Angela Wildermann, Thomas Wolf
  • Process For the Rectification of Mixtures of High-Boiling Air-and/or Temperature-Sensitive Useful Products
    Publication number: 20080194846
    Abstract: According to the invention, a process for the rectification of mixtures of high-boiling air- and/or temperature-sensitive substances which require a high separation efficiency is proposed, in particular a process for the working-up of a VE- or VEA-containing product stream. The process is characterized in particular in that, in a first purification stage, low-boiling products and unspecified isomers of the useful product are separated from the product stream virtually without loss of useful product and that, in a second purification stage, the useful product is removed in a stream having a purity of >97% by weight and a further stream having a purity of >92% by weight. A preferred embodiment of the process serves for working up VEA, in which the loss of useful product in the first purification stage is less than 5%, based on that amount of VEA in the feed which is added to the purification stage per unit time.
    Type: Application
    Filed: August 13, 2005
    Publication date: August 14, 2008
    Applicant: DSM IP ASSETS B.V.
    Inventors: Juan Herguijuela, Werner Pietzonka, Angela Wildermann, Thomas Wolf