Patents Represented by Attorney, Agent or Law Firm Edward S. Irons
  • User friendly beverage can
    Patent number: 6648169
    Abstract: A beverage can having an indentation on the top portion to accommodate the nose of the consumer and an indentation on the wall portion to accommodate the lip of the consumer, thus minimizing spillage.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: November 18, 2003
    Inventor: Kenneth L. Berger
  • 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
  • Synthesis of 2-halobenzyl alkanoic acid
    Patent number: 6586625
    Abstract: A method for synthesizing compounds of Formula I in which R is alkyl or aryl and X is any halogen is described.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: July 1, 2003
    Assignee: Boulder Scientific Company
    Inventors: Hamlin H. Barnes, Fredric R. Askham
  • 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
  • Method for synthesis of hydrocarbyl bridged indenes
    Patent number: 6489526
    Abstract: A method for treating a terminal dihalo hydrocarbyl compound with an alkali metal indenide to produce a bis(indenyl) hydrocarbyl compound is described.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: December 3, 2002
    Assignee: Boulder Scientific Company
    Inventor: Daniel A. Gately
  • Synthesis and isomerization of 1,2-bis (indenyl) ethanes
    Patent number: 6465667
    Abstract: A method for producing 1,2-bis(indenyl)ethanes in good yield is described. An agent and its application for isomerizing kinetic EBI to thermodynamic EBI and for isomerizing meso TMS-EBI to rac TMS-EBI are exemplified.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: October 15, 2002
    Assignee: Boulder Scientific Company
    Inventor: Daniel A. Gately
  • Coupling reactions of 2-substituted, 7-haloindenes with aryl substituents to produce metallocene catalyst ligands
    Patent number: 6465700
    Abstract: Novel 2-substituted 7-haloindenes and methods for synthesizing such indenes are described. The 2-substituted 7-haloindenes may be coupled with any aryl group to produce a metallocene catalyst intermediate.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: October 15, 2002
    Assignee: Boulder Scientific Company
    Inventors: Jeffrey M. Sullivan, Hamlin H. Barnes
  • Constrained geometry ligands and complexes derived therefrom
    Patent number: 6455719
    Abstract: A novel constrained geometry titanium(II) diene complex and ligands of such complexes are described. The novel complex has an olefin polymerization activity substantially in excess of a defined activity standard characteristic of analogous prior art constrained geometry diene complexes. Methods for the synthesis of the novel, high-activity complexes are described.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: September 24, 2002
    Assignee: Boulder Scientific Company
    Inventors: Jeffrey M. Sullivan, Daniel A. Gately
  • 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
  • Titanocene synthesis
    Patent number: 6444835
    Abstract: A method for producing a titanocene wherein a TiCl3 complex free from salts of metals other than titanium is reacted with a titanocene ligand.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: September 3, 2002
    Assignee: Boulder Scientific Co.
    Inventor: Jeffrey M. Sullivan
  • Synthesis and isomerization of 1,2-bis (indenyl) ethanes
    Patent number: 6441258
    Abstract: A method for producing 1,2-bis(indenyl)ethanes in good yield is described. An agent and its application for isomerizing kinetic EBI to thermodynamic EBI and for isomerizing meso TMS-EBI to rac TMS-EBI are exemplified.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: August 27, 2002
    Assignee: Boulder Scientific Company
    Inventor: Daniel A. Gately
  • Silylated and N-silylated compound synthesis
    Patent number: 6410767
    Abstract: Synthesis of N-silylated mono(cyclopentadienyl) ligands and similar indenyl ligands utilizing the novel silanes is described.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: June 25, 2002
    Assignee: Boulder Scientific Co.
    Inventor: Daniel A. Gately
  • Synthesis of N4, N4-diphenyl-N4,N4-di-m-tolyl-biphenyl-4,4'-diamine from an unsymmetrical amine
    Patent number: 6407289
    Abstract: Novel (4-halophenyl) biphenyl tolyl amines are described.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: June 18, 2002
    Assignee: Boulder Scientific Co.
    Inventors: Sandra Russo-Rodriguez, Jeffrey M. Sullivan
  • Synthesis of Tetraalkylcyclopentadienes
    Patent number: 6388151
    Abstract: A method for synthesizing tetramethylcyclopentadiene from 2,3-dibromobutane is described. A 2-bromo-2-butene Grignard is reacted with an ethyl formate to produce a 3,5-dimethyl-2,5-heptadiene-4-ol magnesium bromide which is then quenched with acetic acid to produce 3,5-dimethyl-2,5-hepadiene-4-ol.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: May 14, 2002
    Assignee: Boulder Scientific Company
    Inventors: Jeffrey M. Sullivan, Richard D. Crawford
  • Conversion of compounds of titanium in a plus 4 oxidation state to titanium compounds in a plus 3 oxidation state
    Patent number: 6307063
    Abstract: The reduction of a titanium tetrahalide with titanium in the presence of an ether which forms an adduct with titanium trihalide, wherein an adduct insoluble in said ether is produced.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: October 23, 2001
    Assignee: Boulder Scientific Company
    Inventor: Jeffrey M. Sullivan
  • 2-alkyl-4-(2,6-dialkylphenyl) indenes
    Patent number: 6291699
    Abstract: 2-alkyl-4-(2,6-dialkylphenyl) indenes, methods for the synthesis thereof, methods for converting such indenes to bridged metallocene ligands, methods for converting such ligands to bridged metallocenes and olefin polymerization processes in which such metallocenes are used as a catalyst or as a component of a catalyst system are described.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: September 18, 2001
    Assignee: Boulder Scientific Company
    Inventors: John M. Birmingham, Sandra Russo-Rodriguez
  • Tetrakis-pentafluorophenyl borates from pentafluorophenyl grignard reagents
    Patent number: 6231790
    Abstract: Pentafluorophenyl Grignard reagents are reacted with a boron trihalide in a non-ethereal solvent such as toluene to produce a tetrakis pentafluorophenyl borate magnesium halide.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: May 15, 2001
    Assignee: Boulder Scientific Company
    Inventor: Fredric Askham
  • Preparation of titanocenes
    Patent number: RE38683
    Abstract: A method for producing dialkylsilylbis(2-alkyl-4-aryl indenyl) titanocenes including rac-Me2Sibis(2-methyl-4-phenylindenyl)-titanium dichloride is described.
    Type: Grant
    Filed: January 19, 2002
    Date of Patent: January 4, 2005
    Assignee: Boulder Scientific Company
    Inventor: Jeffrey M. Sullivan
  • Method for the production of tetrakis (pentafluorophenyl) borates
    Patent number: RE38325
    Abstract: A process for preparing tetrakis (pentafluorophenyl) borate is described that involves reaction of a pentafluorophenyl magnesium halide with an alkali metal tetrafluoroborate.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: November 18, 2003
    Assignee: Boulder Scientific Company
    Inventor: Terry E. Krafft