Patents by Inventor Jan Cornelis van der Waal

Jan Cornelis van der Waal 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: 20110282109
    Abstract: A process for the selective and direct formation of ethanol from acetic acid comprising contacting a feed stream containing acetic acid and hydrogen in vapor form at an elevated temperature with a hydrogenation catalyst comprising cobalt and one or more metals selected from the group consisting of palladium, platinum, rhodium, ruthenium, rhenium, iridium, chromium, copper, tin, molybdenum, tungsten, vanadium, zinc and iron on a catalyst support.
    Type: Application
    Filed: April 4, 2011
    Publication date: November 17, 2011
    Applicant: Celanese International Corporation
    Inventors: Victor J. Johnston, Barbara F. Kimmich, Jan Cornelis van der Waal, James H. Zink, Virginie Zuzaniuk, Josefina T. Chapman, Laiyuan Chen
  • Publication number: 20110251435
    Abstract: A process for the selective production of acetaldehyde by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form acetaldehyde is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and iron supported on silica selectively produces acetaldehyde in a vapor phase at a temperature of about 300° C.
    Type: Application
    Filed: June 17, 2011
    Publication date: October 13, 2011
    Applicant: CELANESE INTERNATIONAL CORPORATION
    Inventors: Victor J. Johnston, James H. Zink, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Patent number: 7994368
    Abstract: A process for the selective production of acetaldehyde by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form acetaldehyde is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and iron supported on silica selectively produces acetaldehyde in a vapor phase at a temperature of about 300° C.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: August 9, 2011
    Assignee: Celanese International Corporation
    Inventors: Victor J. Johnston, James H. Zink, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Patent number: 7982065
    Abstract: A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene under heterogeneous catalytic conditions is disclosed and claimed. In a preferred embodiment of this invention, reaction of benzoic acid and acetylene in the presence of supported platinum catalyst at a temperature of from about 100 to 180° C. results in quantitative yields of vinyl benzoate.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: July 19, 2011
    Assignee: Celanese International Corporation
    Inventors: Barbara F. M. Kimmich, Hannah E. Toomey, Qiang Yao, G. Paull Torrence, Jan Cornelis van der Waal, Bozena A. A. Silberova
  • Publication number: 20110004026
    Abstract: A process for the selective production of acetaldehyde by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form acetaldehyde is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and iron supported on silica selectively produces acetaldehyde in a vapor phase at a temperature of about 300° C.
    Type: Application
    Filed: September 16, 2010
    Publication date: January 6, 2011
    Applicant: CELANESE INTERNATIONAL CORPORATION
    Inventors: Victor J. Johnston, James H. Zink, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Publication number: 20100286440
    Abstract: A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene with a homogeneous catalyst is disclosed and claimed. In a preferred embodiment of this invention, reaction of benzoic acid and acetylene in the presence of Group VIII metal complex catalyst at a temperature of about 50 to 180° C. results in quantitative yields of vinyl benzoate.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 11, 2010
    Applicant: CELANESE INTERNATIONAL CORPORATION
    Inventors: Barbara F.M. Kimmich, Hannah E. Toomey, Qiang Yao, G. Paull Torrence, Jan Cornelis van der Waal, Michael J. Doyle
  • Publication number: 20100286441
    Abstract: A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene under heterogeneous catalytic conditions is disclosed and claimed. In a preferred embodiment of this invention, reaction of benzoic acid and acetylene in the presence of supported platinum catalyst at a temperature of from about 100 to 180° C. results in quantitative yields of vinyl benzoate.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 11, 2010
    Inventors: Barbara F.M. Kimmich, Hannah E. Toomey, Qiang Yao, G. Paull Torrence, Jan Cornelis van der Waal, Bozena A.A. Silberova
  • Patent number: 7820852
    Abstract: A process for the selective production of ethyl acetate by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethyl acetate is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and copper supported on silica selectively produces ethyl acetate in a vapor phase at a temperature of about 250° C.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: October 26, 2010
    Assignee: Celanese International Corporation
    Inventors: Victor J. Johnston, James H. Zink, Deborah R. Repman, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Patent number: 7816565
    Abstract: A process for the selective production of acetaldehyde by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form acetaldehyde is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and iron supported on silica selectively produces acetaldehyde in a vapor phase at a temperature of about 300° C.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: October 19, 2010
    Assignee: Celanese International Corporation
    Inventors: Victor J. Johnston, James H. Zink, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Publication number: 20100240938
    Abstract: A process for producing triptane and/or triptene from methanol and/or one or more derivatives thereof, and optionally one or more further alcohols and/or derivatives thereof at a temperature in the range of from 150 to 400° C., in the presence of a zeolite catalyst having Brønsted acidity, in which all the carbon atoms in the triptane and/or triptene are derived from the methanol and/or one or more derivatives thereof and the optional further alcohols and/or derivatives thereof, the zeolite catalyst being selected from: i. zeolites having frameworks comprising silicon and aluminium atoms at a Si:Al mole ratio of greater than (2), which zeolites also have a channel structure comprising a ring size of (12) or more non-oxygen atoms in (2) or (3) dimensions; and ii.
    Type: Application
    Filed: November 7, 2008
    Publication date: September 23, 2010
    Inventors: Berian John Daniel, David John Law, Barry Martin Maunders, John Glenn Sunley, Jan Cornelis van der Waal
  • Publication number: 20100029980
    Abstract: A process for the selective production of ethyl acetate by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethyl acetate is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and copper supported on silica selectively produces ethyl acetate in a vapor phase at a temperature of about 250° C.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 4, 2010
    Inventors: Victor J. Johnston, James H. Zink, Deborah R. Repman, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Publication number: 20100029993
    Abstract: A process for the selective production of acetaldehyde by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form acetaldehyde is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over platinum and iron supported on silica selectively produces acetaldehyde in a vapor phase at a temperature of about 300° C.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 4, 2010
    Inventors: Victor J. Johnston, James H. Zink, Laiyuan Chen, Barbara F. Kimmich, Josefina T. Chapman, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Publication number: 20100030001
    Abstract: A process for the selective production of ethylene by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethylene in a single reaction zone is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over either a copper supported on iron oxide, copper-aluminum catalyst, cobalt supported on H-ZSM-5, ruthenium-cobalt supported on silica or cobalt supported on carbon selectively produces ethylene in a vapor phase at a temperature in the range of about 250° C. to 350° C.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 4, 2010
    Inventors: Laiyuan Chen, Josefina T. Chapman, James H. Zink, Barbara F. Kimmich, Victor J. Johnston, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Patent number: 7608744
    Abstract: A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over either cobalt and palladium supported on graphite or cobalt and platinum supported on silica selectively produces ethanol in a vapor phase at a temperature of about 250° C.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: October 27, 2009
    Assignee: Celanese International Corporation
    Inventors: Victor J. Johnston, Josefina T. Chapman, Laiyuan Chen, Barbara F. Kimmich, James H. Zink, Jan Cornelis van der Waal, Virginie Zuzaniuk
  • Publication number: 20040050836
    Abstract: The invention comprises an assembly of an integrated vessel transporter (ITV) and at least one reaction vessel adapted to hold a chemical substance. The IVT is adapted transport the vessel from a first station to a second station in an automated laboratory system. The IVT comprises conditioning means for conditioning at least one physical quantity of the substance. Further, the IVT comprises sensing means for sensing the at least one physical quantity. Still further, the conditioning means can be at least partly controlled by the sensing means. The conditioning means can comprise a stirrer, such as a contactless magnetic stirrer, and temperature conditioning means, comprising a heater and a heat sink. The temperature conditioning means can be controlled by a temperature sensor comprised in the stirrer.
    Type: Application
    Filed: September 15, 2003
    Publication date: March 18, 2004
    Inventors: Geoffrey John Nesbitt, Jan Cornelis van der Waal, Steven Tomlinson
  • Publication number: 20020164821
    Abstract: A device for dispensing a plurality of liquids is providing, including: (a) a plurality of containers; (b) a selection valve moveable between a plurality of positions enabling fluid communication between a respective one of said plurality of containers and an opening and a position enabling fluid communication between said opening and an outlet; (c) a pump connected to said opening and having: (i) a conduit connecting the pump to the opening; and (ii) a settling vessel arranged between the ends of the conduit, for accommodating a spacer liquid, wherein the internal diameter of the settling vessel is greater than the internal diameter of the conduit. A method of using the device is also provided.
    Type: Application
    Filed: June 24, 2002
    Publication date: November 7, 2002
    Applicant: Avantium International B.V.
    Inventors: Peter John van den Brink, Paolo Prospero Pescarmona, Jan Cornelis van der Waal
  • Publication number: 20020085446
    Abstract: An apparatus for performing physical and/or chemical operations is provided. The apparatus includes a holding means (3) provided with openings (2) for an array of reactor vessels (1); reactor vessels (1) positioned totally or partly within the openings (2), and connection means (5) capable of connecting the reactor vessels (1) and the holding means (3), which connection means (5) are located on or in the holding means (3) surrounding the openings (2) in which the reactor vessels (1) are positioned. Processes which can be carried out with the apparatus include, inter alia, mixing, cooling, heating, centrifugation, evaporation, filtration and pressure processes.
    Type: Application
    Filed: December 20, 2001
    Publication date: July 4, 2002
    Applicant: Avantium International B.V.
    Inventors: Peter John Van Den Brink, Mark Crocker, Bashir Husein Harji, Thomas Maschmeyer, Jan Cornelis Van Der Waal