Patents by Inventor Erick M. Carreira

Erick M. Carreira 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).

  • Photochromic oxazine compounds and methods for their manufacture
    Patent number: 6720420
    Abstract: The present invention provides oxazine compounds having aromatic, heteroaromatic, or aliphatic substituents at the 2 position of the oxazine moiety.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: April 13, 2004
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Weili Zhao, Erick M. Carreira
  • Photochromic oxazine compounds and methods for their manufacture
    Patent number: 6686466
    Abstract: The present invention provides photochromic oxazine compounds and methods for their manufacture, which compounds are useful as photochromic compounds. The compounds of the invention have aromatic substituents on the 2 position of the oxazine moiety.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: February 3, 2004
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Weili Zhao, Erick M. Carreira
  • Photochromic oxazine compounds and methods for their manufacture
    Publication number: 20030149032
    Abstract: The present invention provides oxazine compounds having aromatic, heteroaromatic, or aliphatic substituents at the 2 position of the oxazine moiety.
    Type: Application
    Filed: December 21, 2001
    Publication date: August 7, 2003
    Inventors: Weili Zhao, Erick M. Carreira
  • Photochromic oxazine compounds and methods for their manufacture
    Publication number: 20030125552
    Abstract: The present invention provides photochromic oxazine compounds and methods for their manufacture, which compounds are useful as photochromic compounds. The compounds of the invention have aromatic substituents on the 2 position of the oxazine moiety.
    Type: Application
    Filed: November 13, 2001
    Publication date: July 3, 2003
    Inventors: Weili Zhao, Erick M. Carreira
  • Process for producing optically active propargyl alcohols
    Patent number: 6586644
    Abstract: A process for producing an optically active propargyl alcohol represented by the following formula (4): wherein R1 is an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an alkylsilyl group, an aromatic hydrocarbon group, a C2-C10 heterocyclic group having 1-3 heteroatoms or a C1-C10 alkyl group having 1-3 heteroatoms, and R2 is an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an alkylsilyl group, an aromatic hydrocarbon group, a C2-C10 heterocyclic group having 1-3 heteroatoms or a C1-C10 alkyl group having 1-3 heteroatoms, which comprises allowing an aldehyde compound represented by the following formula (1): R1—CHO  (1) to react with an alkyne compound represented by the following formula (2): HC≡C—R2  (2) in the presence of an optically active aminoalcohol and a tertiary amine and a zinc halogenated lower alkane sulfonate in an amount of less than equivalent mo
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: July 1, 2003
    Assignees: Sumika Fine Chemicals Company, Limited
    Inventor: Erick M. Carreira
  • Process for producing optically active propargyl alcohols
    Publication number: 20030088100
    Abstract: A process for producing an optically active propargyl alcohol represented by the following formula (4): 1
    Type: Application
    Filed: September 3, 2002
    Publication date: May 8, 2003
    Applicant: Sumika Fine Chemicals Co., Ltd.
    Inventor: Erick M. Carreira
  • Photochromic bis-naphthopyran compounds and methods for their manufacture
    Publication number: 20030078441
    Abstract: The invention provides photochromic bis-naphthopyran compounds as well as methods for their manufacture and their use. The bis-naphthopyran compounds of the invention exhibit a wide range of color, i.e., from pink to purple to blue gray, upon activation by a source of UV light. Additionally, the bis-naphthopyran compounds of the present invention exhibit broad coloration ability, fast response as to both color change on activation and return to original color, and good fatigue-resistance.
    Type: Application
    Filed: September 4, 2001
    Publication date: April 24, 2003
    Inventors: Weili Zhao, Erick M. Carreira
  • Indolinospiropyran compounds and methods for their manufacture
    Patent number: 6521753
    Abstract: The present invention provides indolinospiropyran compounds and methods for their manufacture, which compounds are useful as photochromic compounds. The compounds of the invention are substituted on the indole ring with succinimide, which substitution permits ring opening of the succinimide and modulation of the bulk and photochromic properties of the compounds. The compounds may be conveniently prepared using the solid phase organic synthesis of the invention.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: February 18, 2003
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Erick M. Carreira, Weili Zhao
  • Indolinospiropyran compounds and methods for their manufacture
    Publication number: 20020087010
    Abstract: The present invention provides indolinospiropyran compounds and methods for their manufacture, which compounds are useful as photochromic compounds. The compounds of the invention are substituted on the indole ring with succinimide, which substitution permits ring opening of the succinimide and modulation of the bulk and photochromic properties of the compounds. The compounds may be conveniently prepared using the solid phase organic synthesis of the invention.
    Type: Application
    Filed: January 28, 2002
    Publication date: July 4, 2002
    Inventors: Erick M. Carreira, Weili Zhao
  • Process for the preparation of 1,2-dihydroquinolines
    Patent number: 6180794
    Abstract: A method for preparing 1,2-dihydroquinolines that is more flexible than the Skraup reaction is provided. The method comprises treating an ortho-alkenyl aniline with a ketone in the presence of a Lewis acid. Novel intermediates and products of this method useful as steroid receptor modulators, as well as pharmaceutical compositions and methods of use thereof are also claimed.
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: January 30, 2001
    Assignee: Ligand Pharmacueticals Incorparated
    Inventors: James P. Edwards, Todd K. Jones, Josef D. Riggenberg, Erick M. Carreira
  • Process for the preparation of 1,2-dihydroquinolines
    Patent number: 6172241
    Abstract: A method for preparing 1,2-dihydroquinolines that is more flexible than the Skraup reaction is provided. The method comprises treating an ortho-alkenyl aniline with a ketone in the presence of a Lewis acid. Novel intermediates and products of this method useful as steroid receptor modulators, as well as pharmaceutical compositions and methods of use thereof are also claimed.
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: January 9, 2001
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: James P. Edwards, Todd K. Jones, Josef D. Riggenberg, Erick M. Carreira
  • Process for the preparation of 1,2-dihydroquinolines
    Patent number: 6001846
    Abstract: A method for preparing 1,2-dihydroquinolines that is more flexible than the Skraup reaction is provided. The method comprises treating an ortho-alkenyl aniline with a ketone in the presence of a Lewis acid. Novel intermediates and products of this method useful as steroid receptor modulators, as well as pharmaceutical compositions and methods of use thereof are also claimed.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: December 14, 1999
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: James P. Edwards, Todd K. Jones, Josef D. Riggenberg, Erick M. Carreira
  • Catalysts for production of .beta.-hydroxy carbonyl compounds
    Patent number: 5599963
    Abstract: The invention relates to catalysts for the synthesis of .beta.-hydroxy carbonyl compounds, and in particular to enantioselective catalysts.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: February 4, 1997
    Assignee: California Institute of Technology
    Inventors: Erick M. Carreira, Robert A. Singer