Patents by Inventor Dawn A. Arkin

Dawn A. Arkin 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).

  • Synthesis of mono-substituted cyclopentadienes
    Patent number: 7834228
    Abstract: Synthesis of mono-substituted alkylcyclopentadienes by mixing alkyl iodides with cyclopentadienyl magnesium chloride in tetrahydrofuran is described.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: November 16, 2010
    Assignee: Boulder Scientific Company
    Inventors: Karin A. Voll Barclay, Richard D. Crawford, Dawn A. Arkin, Daniel A. Gately
  • Synthesis of bis (cyclopentadienyl) and bis (indenyl) ruthenium complexes
    Patent number: 6642402
    Abstract: A process for preparing a cyclopentadienyl or indenyl ruthenium complex by treatment of a cyclopentadienyl or indenyl compound with ruthenium trichloride dihydrate and magnesium powder in an alkanol at 10° C. to −30° C. is described.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: November 4, 2003
    Assignee: Boulder Scientific Company
    Inventors: Karin A. Voll Barclay, Jeffrey M. Sullivan, Dawn A. Arkin, Fredric R. Askham
  • Conversion of cyclopentadienyl silyl amines to organometallic complexes comprising titanium bisalkoxy moiety or titanium dichloride moiety
    Patent number: 6590114
    Abstract: Conversion of cyclopentadienyl or indenyl compounds to titanium organometallic complexes by treatment with titanium tetraalkoxides is described.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: July 8, 2003
    Assignee: Boulder Scientific Company
    Inventors: Daniel A. Gately, Jeffrey M. Sullivan, Karin A. Voll Barclay, Dawn A. Arkin
  • Conversion of cyclopentadienyl silyl amines to organometallic complexes comprising titanium bisalkoxy moiety or titanium dichloride moiety
    Publication number: 20030092926
    Abstract: Conversion of cyclopentadienyl or indenyl compounds to titanium organometallic complexes by treatment with titanium tetraalkoxides is described.
    Type: Application
    Filed: November 9, 2001
    Publication date: May 15, 2003
    Inventors: Daniel A. Gately, Jeffrey M. Sullivan, Karin A. Voll Barclay, Dawn A. Arkin
  • Preparation of cyclopentadienyl or indenyl titanium trihalides
    Patent number: 6531619
    Abstract: Cyclopentadienyl or indenyl titanium trichlorides are produced by converting a cyclopentadiene or an indene to a corresponding cyclopentadienyl or indenyl titanium trialkoxide which is treated with a halogenating agent to provide the desired cyclopentadienyl or indenyl titanium trichloride.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: March 11, 2003
    Assignee: Boulder Scientific Company
    Inventors: Daniel A. Gately, Jeffrey M. Sullivan, Karin A. Voll Barclay, Dawn A. Arkin
  • Synthesis of bis (cyclopentadienyl) and bis (indenyl) ruthenium complexes
    Publication number: 20030045737
    Abstract: A process for preparing a cyclopentadienyl or indenyl ruthenium complex by treatment of a cyclopentadienyl or indenyl compound with ruthenium trichloride dihydrate and magnesium powder in an alkanol at 10° C. to −30° C. is described.
    Type: Application
    Filed: June 21, 2002
    Publication date: March 6, 2003
    Applicant: Boulder Scientific Company
    Inventors: Karin A. Voll Barclay, Jeffrey M. Sullivan, Dawn A. Arkin, Fredric R. Askham
  • Synthesis of bis (cyclopentadienyl) and bis (indenyl) ruthenium complexes
    Publication number: 20020161253
    Abstract: A process for preparing a cyclopentadienyl or indenyl ruthenium complex by treatment of a cyclopentadienyl or indenyl compound with ruthenium trichloride trihydrate and magnesium powder in an alkanol at 0° C. to −30° C. is described.
    Type: Application
    Filed: August 24, 2001
    Publication date: October 31, 2002
    Applicant: Boulder Scientific Company
    Inventors: Karin A. Voll, Jeffrey M. Sullivan, Dawn A. Arkin, Fredric R. Askham
  • Preparation of titanium organometallic complexes comprising a titanium bisalkoxide or dihalide moiety
    Patent number: 6452031
    Abstract: Conversion of a ligand of titanium organometallic complex to a titanium bisalkoxy or a titanium dichloride is described.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: September 17, 2002
    Assignee: Boulder Scientific Company
    Inventors: Daniel A. Gately, Jeffrey M. Sullivan, Karin A. Voll Barclay, Dawn A. Arkin