Patents by Inventor Dean M. Welsh

Dean M. Welsh 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: 20210268487
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: April 16, 2021
    Publication date: September 2, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Publication number: 20210129125
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: December 3, 2020
    Publication date: May 6, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Patent number: 10981156
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: April 20, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Patent number: 10919031
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: February 16, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Publication number: 20200338542
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: June 8, 2020
    Publication date: October 29, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Patent number: 10702861
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: July 7, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Publication number: 20200030783
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: July 11, 2019
    Publication date: January 30, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Patent number: 10376869
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: August 13, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Patent number: 10357764
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: July 23, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Publication number: 20190210013
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 11, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Patent number: 10207262
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 19, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Publication number: 20180291048
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: March 10, 2016
    Publication date: October 11, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Publication number: 20180154344
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: March 10, 2016
    Publication date: June 7, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Publication number: 20180111940
    Abstract: The invention provides a composition comprising at least one compound of Formula 1 through Formula 8, each as described herein. These compounds, containing an imidazopyrazine moiety, are useful in organic electroluminescence devices.
    Type: Application
    Filed: June 22, 2016
    Publication date: April 26, 2018
    Inventors: Mark E. Ondari, Dean M. Welsh, Robert DJ Froese, Hong-Yeop Na
  • Publication number: 20180071725
    Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
    Type: Application
    Filed: March 10, 2016
    Publication date: March 15, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
  • Patent number: 9472813
    Abstract: Battery electrolyte solutions contain certain ester solvents, a lithium salt and vinylene carbonate, vinyl ethylene carbonate or fluoroethylene carbonate. Batteries containing these solvents have excellent specific discharge capacities and reduced weight compared to batteries in which the electrolyte is based on ethylene carbonate.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: October 18, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Oktay Uzun, Dean M. Welsh, David R. Wilson, Ravi B. Shankar, David J. Brennan
  • Publication number: 20160248020
    Abstract: The invention provides a composition comprising at least one fluorene substituted triazine derived compound of Formula 1, as described herein, and electronic devices containing the same. Such devices have improved efficiency and better driving voltage.
    Type: Application
    Filed: November 10, 2014
    Publication date: August 25, 2016
    Inventors: Mark E. Ondari, Kyoung Moo Koh, Dean M. Welsh, Tomas D. Paine, Liang Hong, Kenneth E. Stockman, Hong-Yeop Na, Kyung-Joo Lee
  • Patent number: 9422375
    Abstract: Provided is a non-cyclopentadienyl-based chromium-ligand complex, preferably a chromium-ligand complex of formula (J): LCr(RA)m(D)k (J), wherein L is a non-Cp monoanionic ligand; Cr (chromium) is in a formal oxidation state of +3 or +2; when Cr formally is Cr+3, either m is 1 and RA is hydrocarbylene (a hydrocarbylene chromium-ligand complex of formula (J)) or m is 2 and each RA independently is hydrocarbyl (a dihydrocarbyl chromium-ligand complex of formula (J)), wherein each hydrocarbyl or hydrocarbylene of RA independently is unsubstituted or substituted by from 1 to 5 RAS; each RAS independently is a neutral aprotic heteroalkyl, neutral aprotic heterocycloalkyl, neutral aprotic heteroaryl, or neutral aprotic aryl; when Cr formally is Cr+2, m is 1 and RA is hydrocarbyl (a hydrocarbyl chromium-ligand complex of formula (J)); k is an integer of 0 or 1; D is absent when k is 0 or D is a neutral ligand when k is 1; wherein the chromium-ligand complex of formula (J) is overall neutral and lacks a cyclopentadien
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: August 23, 2016
    Inventors: Matthew D. Christianson, Timothy S. De Vries, Robert D J Froese, Matthias S. Ober, Jasson T. Patton, Duane R. Romer, Gordon R. Roof, Lixin Sun, Endre Szuromi, Curt N. Theriault, Dean M. Welsh, Timothy T. Wenzel, Paul H. Moran
  • Patent number: 9399702
    Abstract: Crosslinkable arylamine compounds, oligomers and polymers prepared from such crosslinkable arylamine compounds, films and coatings, and multilayer electronic devices comprising such films are disclosed.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: July 26, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Scott Gaynor, Michael Inbasekaran, James J. O'Brien, Dean M. Welsh
  • Patent number: 9340639
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth thiophosphoric acid diester salt.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: May 17, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Richard J. Keaton, Peter M. Margl, Rajat Duggal, Scott D. Boelter, Duane R. Romer, Debra L. Nowlin, Nathan Wilmot, David R. Wilson, Dean M. Welsh