Patents by Inventor Evert Jan Ditzel

Evert Jan Ditzel 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).

  • Dehydration-hydrolysis processes and catalysts therefor
    Patent number: 10328420
    Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometers (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: June 25, 2019
    Assignee: BP Chemicals Limited
    Inventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
  • Dehydration-hydrolysis processes and catalysts therefor
    Patent number: 10207975
    Abstract: A process for the co-production of acetic acid and dimethyl ether by contacting methyl acetate and methanol in the presence of catalysts comprising crystalline zeolites having a FER framework type which crystallites have a dimension in the c-axis of about 500 nm or less and a ratio of the c-axis:b-axis dimension of 5:1 or greater and a method for preparation of the zeolites utilizing piperazines.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: February 19, 2019
    Assignee: BP Chemicals Limited
    Inventor: Evert Jan Ditzel
  • DEHYDRATION-HYDROLYSIS PROCESSES AND CATALYSTS THEREFOR
    Publication number: 20180036722
    Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.
    Type: Application
    Filed: October 11, 2017
    Publication date: February 8, 2018
    Inventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
  • Dehydration-hydrolysis processes and catalysts therefor
    Patent number: 9873112
    Abstract: Process for the co-production of acetic acid and dimethyl ether by contacting methyl acetate and methanol in the presence of a catalyst containing a crystalline zeolite having a FER framework type. The zeolite has crystallites having a dimension of about 500 nm or less in the c-axis.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: January 23, 2018
    Assignee: BP CHEMICALS LIMITED
    Inventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
  • DEHYDRATION-HYDROLYSIS PROCESSES AND CATALYSTS THEREFOR
    Publication number: 20170183282
    Abstract: A process for the co-production of acetic acid and dimethyl ether by contacting methyl acetate and methanol in the presence of catalysts comprising crystalline zeolites having a FER framework type which crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less and a ratio of the c-axis:b-axis dimension of 5:1 or greater and a method for preparation of the zeolites utilising piperazines.
    Type: Application
    Filed: February 13, 2015
    Publication date: June 29, 2017
    Inventor: Evert Jan DITZEL
  • Carbonylation process
    Patent number: 9598347
    Abstract: Process for the carbonylation of dimethyl ether with carbon monoxide in the presence of a catalyst to produce methyl acetate reaction product. The carbonylation process is conducted in the presence of hydrogen at a molar ratio of hydrogen to carbon monoxide of greater than 1 and the catalyst is a mordenite zeolite prepared from a synthesis mixture comprising at least one organic structure directing agent.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: March 21, 2017
    Assignee: BP CHEMICALS LIMITED
    Inventors: Evert Jan Ditzel, Bogdan Costin Gagea, David John Law, John Glenn Sunley
  • Carbonylation process
    Patent number: 9505703
    Abstract: Process for the production of methyl acetate by carbonylating dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst. The process is carried out with a molar ratio of hydrogen to carbon monoxide of at least 1 and the catalyst has been calcined at a temperature of from about 375° C. to about 475° C.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: November 29, 2016
    Assignee: BP CHEMICALS LIMITED
    Inventors: Evert Jan Ditzel, Bogdan Costin Gagea, Nicholas John Hazel, John Glenn Sunley, Gordon John Haining
  • Process for the carbonylation of dimethyl ether
    Patent number: 9499470
    Abstract: Process for preparing methyl acetate by the carbonylation of dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst. In a first step, the carbonylation is conducted with a carbon monoxide to hydrogen molar ratio of at least 1 and, in a second and subsequent step, the carbonylation is conducted with a hydrogen to carbon monoxide molar ratio of greater than 1.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: November 22, 2016
    Assignee: BP CHEMICALS LIMITED
    Inventors: Evert Jan Ditzel, Bogdan Costin Gagea, John Glenn Sunley
  • CARBONYLATION PROCESS
    Publication number: 20160052857
    Abstract: A process for the production of methyl acetate by carbonylating dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst wherein the process is carried out with a molar ratio of hydrogen to carbon monoxide of at least 1 and the catalyst has been calcined at a temperature of from about 375° C. to about 475° C.
    Type: Application
    Filed: March 6, 2014
    Publication date: February 25, 2016
    Inventors: Evert Jan Ditzel, Bogdan Costin GAGEA, Nicholas John HAZEL, John Glenn SUNLEY, Gordon John HAINING
  • PROCESS FOR THE CARBONYLATION OF DIMETHYL ETHER
    Publication number: 20160016881
    Abstract: A process for preparing methyl acetate by the carbonylation of dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst wherein, in a first step the carbonylation is conducted with a carbon monoxide to hydrogen molar ratio of at least 1 and in a second and subsequent step, the carbonylation is conducted with a hydrogen to carbon monoxide molar ratio of greater than 1.
    Type: Application
    Filed: March 6, 2014
    Publication date: January 21, 2016
    Inventors: Evert Jan DITZEL, Bogdan Costin GAGEA, John Glenn SUNLEY
  • CARBONYLATION PROCESS
    Publication number: 20160009629
    Abstract: A process for preparing methyl acetate by the carbonylation of dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst wherein, in a first step the carbonylation is conducted with a carbon monoxide to hydrogen molar ratio of at least 1 and in a second and subsequent step, the carbonylation is conducted with a hydrogen to carbon monoxide molar ratio of greater than 1.
    Type: Application
    Filed: March 6, 2014
    Publication date: January 14, 2016
    Inventors: Evert Jan DITZEL, Bogdan Costin GAGEA, David John LAW, John Glenn SUNLEY
  • DEHYDRATION-HYDROLYSIS PROCESSES AND CATALYSTS THEREFOR
    Publication number: 20150375217
    Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.
    Type: Application
    Filed: February 13, 2014
    Publication date: December 31, 2015
    Inventors: Thomas Edward Clark, Evert Jan DITZEL, David John LAW, Bruce Leo WILLIAMS
  • Process for the production of methyl acetate/acetic acid
    Patent number: 9181168
    Abstract: Process for the production of methyl acetate and/or acetic acid by contacting a carbon monoxide-containing gas and methanol and/or reactive derivatives thereof with a mordenite loaded with copper and silver loaded by ion-exchange and subsequently regenerating the catalyst.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: November 10, 2015
    Assignee: BP CHEMICALS LIMITED
    Inventor: Evert Jan Ditzel
  • Carbonylation process
    Patent number: 8692015
    Abstract: Process for the production of at least one carbonylation product selected from acetic acid and methyl acetate, by carbonylating at least one carbonylatable reactant selected from methanol and reactive derivatives thereof with carbon monoxide in the presence of a catalyst. The catalyst is a mordenite which has been treated with an aqueous ammonium hydroxide solution and has a silica:alumina molar ratio of at least 10:1, and the reactive derivatives are selected from methyl acetate and dimethyl ether.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: April 8, 2014
    Assignee: BP Chemicals Limited
    Inventors: Evert Jan Ditzel, Bogdan Costin Gagea
  • PROCESS FOR THE PRODUCTION OF METHYL ACETATE/ACETIC ACID
    Publication number: 20130310599
    Abstract: A process for the production of methyl acetate and/or acetic acid by contacting a carbon monoxide-containing gas and methanol and/or reactive derivatives thereof with a mordenite loaded with copper and silver loaded by ion-exchange and subsequently regenerating the catalyst.
    Type: Application
    Filed: January 24, 2012
    Publication date: November 21, 2013
    Applicant: BP Chemicals Limited
    Inventor: Evert Jan Ditzel
  • Carbonylation process
    Patent number: 8586778
    Abstract: A process for the production of acetic acid and/or methyl acetate by carbonylating methanol and/or reactive derivatives thereof with carbon monoxide in the presence of a catalyst which is a mordenite which has been treated with an aqueous basic solution containing at least one of aluminate ions and gallate ions and has a silica:X2O3 molar ratio (wherein X is A1 and/or Ga) of at least 12:1.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: November 19, 2013
    Assignee: BP Chemicals Limited
    Inventors: Evert Jan Ditzel, Bogdan Costin Gagea
  • Process for the carbonylation of dimethyl ether
    Patent number: 8552216
    Abstract: Process for the production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions, in the presence of a zeolite catalyst effective for the carbonylation. The carbonylation is carried out at a temperature in the range of 275 to 350° C. and in the presence of hydrogen.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: October 8, 2013
    Assignee: BP Chemicals Limited
    Inventors: Jon Michael Stewart Deeley, Evert Jan Ditzel, David John Law, Mark Stephen Roberts, John Glenn Sunley
  • Process for the carbonylation of dimethyl ether
    Patent number: 8536369
    Abstract: Process for producing methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions in the presence of a mordenite catalyst which has been ion-exchanged or otherwise loaded with at least one of silver and copper. The mordenite is also ion-exchanged or otherwise loaded with platinum in an amount in the range 0.05 to 10 mol % relative to aluminum.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: September 17, 2013
    Assignee: BP Chemicals Limited
    Inventors: Evert Jan Ditzel, Andre Harmen Sijpkes, John Glenn Sunley
  • Hydrogenation of ethanoic acid to produce ethanol
    Patent number: 8524954
    Abstract: The present invention relates to a process for producing methanol and ethanol, wherein the methanol is produced from synthesis gas and the ethanol is produced via the hydrogenation of an ethanoic acid feed; characterized in that the hydrogenation of the ethanoic acid feed is carried out within the same alcohol synthesis unit and in the presence of the same catalyst(s) that is used to produce the methanol from the synthesis gas and wherein the feed introduced to the alcohol synthesis unit comprises synthesis gas and ethanoic acid.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: September 3, 2013
    Assignee: BP P.L.C.
    Inventors: Evert Jan Ditzel, Sander Gaemers, John Glenn Sunley
  • Carbonylation process using bound silver and/or copper mordenite catalysts
    Patent number: 8471058
    Abstract: Process for the carbonylation of a carbonylatable reactant selected from at least one of dimethyl ether and methanol, by carbonylating the carbonylatable reactant with carbon monoxide in the presence of a catalyst to produce a carbonylation product selected from at least one of methyl acetate and acetic acid. The catalyst is formed by compositing a mordenite loaded with at least one of silver and copper, with an inorganic oxide binder.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: June 25, 2013
    Assignee: BP Chemicals Limited
    Inventors: Evert Jan Ditzel, David John Law, John Glenn Sunley