Patents by Inventor Ivan Tommasini

Ivan Tommasini 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).

  • Patent number: 7012083
    Abstract: There is provided a compound of formula I, wherein R1, R2, R3 and Y have meanings given in the description, which are useful in the prophylaxis and in the treatment of pruritus.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: March 14, 2006
    Assignee: Pfizer Inc.
    Inventors: Stephen Paul Gibson, Ivan Tommasini, David Morris Gethin, Richard Edward Armer
  • Publication number: 20050085456
    Abstract: There is provided a compound of formula I, wherein A, D, R1, R2, R3, X and n have meanings given in the description, which are useful in the prophylaxis and in the treatment of diseases mediated by opiate receptors, such as pruritus.
    Type: Application
    Filed: October 12, 2004
    Publication date: April 21, 2005
    Applicant: Pfizer, Inc.
    Inventors: Stephen Gibson, Ivan Tommasini, David Gethin, Richard Armer
  • Patent number: 6812236
    Abstract: There is provided a compound of formula I, wherein A, D, R1, R2, R3, X and n have meanings given in the description, which are useful in the prophylaxis and in the treatment of diseases mediated by opiate receptors, such as pruritus.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: November 2, 2004
    Assignee: Pfizer Inc.
    Inventors: Stephen Paul Gibson, Ivan Tommasini, David Morris Gethin, Richard Edward Armer
  • Patent number: 6750231
    Abstract: There is provided a compound of formula I, wherein Het1, R1, R2, R3, X and n have meanings given in the description, which are useful in the prophylaxis and in the treatment of diseases mediated by opiate receptors, such as pruritus.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: June 15, 2004
    Assignee: Pfizer Inc
    Inventors: Stephen Paul Gibson, Ivan Tommasini, Kimberley Verrier, Christopher James Dutton, David Morris Gethin, Douglas James Critcher, Richard Edward Armer
  • Patent number: 6610711
    Abstract: Novel compounds having general formula (I), and pharmaceutically and veterinarily acceptable salts thereof wherein R1, R2, R3, W, Y1, Y2, X, n and y are as defined above and processes for their preparation and intermediate compounds prepared therein. The novel compounds are useful for having utility in the treatment of pruritic dermatoses including allergic dermatitis and atopy in animals and humans.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: August 26, 2003
    Assignee: Pfizer Inc.
    Inventors: Richard Edward Armer, Christopher James Dutton, David Morris Gethin, Stephen Paul Gibson, Julian Duncan Smith, Ivan Tommasini
  • Publication number: 20030078282
    Abstract: Novel compounds having general formula (I), and pharmaceutically and veterinarily acceptable salts thereof wherein R 1, R 2, R 3, W, Y 1, Y 2, X, n and y are as defined above and processes for their preparation and intermediate compounds prepared therein. The novel compounds are useful for having utility in the treatment.
    Type: Application
    Filed: May 11, 2000
    Publication date: April 24, 2003
    Inventors: Richard Edward Armer, Christopher James Dutton, David Morris Gethin, Stephen Paul Gibson, Julian Duncan Smith, Ivan Tommasini
  • Patent number: 6518282
    Abstract: There is provided a compound of formula I, wherein R1, R2, R3 and R4 have meanings given in the description, which are useful in the prophylaxis and in the treatment of pruritus.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: February 11, 2003
    Assignee: Pfizer Inc.
    Inventors: Stephen Paul Gibson, Ivan Tommasini
  • Publication number: 20030004340
    Abstract: There is provided a compound of formula I, 1
    Type: Application
    Filed: March 19, 2002
    Publication date: January 2, 2003
    Inventors: Stephen Paul Gibson, Ivan Tommasini, Kimberley Verrier, Christopher James Dutton, David Morris Gethin, Douglas James Critcher, Richard Edward Armer
  • Patent number: 6479516
    Abstract: There is provided a compound of formula I, wherein R1, R2, R3, X and Y have meanings given in the description, which are useful in the prophylaxis and in the treatment of pruritus.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: November 12, 2002
    Assignee: Pfizer Inc
    Inventors: Stephen Paul Gibson, Ivan Tommasini, Brian Scott Bronk
  • Patent number: 6441000
    Abstract: There is provided a compound of formula I, wherein Het1, T, X, R1, R2 and R3 have meanings given in the description, which are useful in the prophylaxis and in the treatment of diseases mediated by opiate receptors, such as pruritus.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: August 27, 2002
    Assignee: Pfizer Inc
    Inventors: Stephen Paul Gibson, Ivan Tommasini, Kimberley Verrier, Lee Roberts, Brian Scott Bronk, Richard Edward Armer
  • Publication number: 20020099216
    Abstract: There is provided a compound of formula I, 1
    Type: Application
    Filed: March 27, 2002
    Publication date: July 25, 2002
    Applicant: Pfizer Inc.
    Inventors: Stephen Paul Gibson, Ivan Tommasini, David Morris Gethin, Richard Edward Armer
  • Publication number: 20020099214
    Abstract: There is provided a compound of formula I, 1
    Type: Application
    Filed: March 27, 2002
    Publication date: July 25, 2002
    Applicant: Pfizer Inc.
    Inventors: Stephen Paul Gibson, Ivan Tommasini, David Morris Gethin, Richard Edward Armer
  • Patent number: 5972962
    Abstract: The use of certain known 1,3,4 trisubstituted 4-aryl-piperidines for the treatment of pruritus in humans and animals is disclosed.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: October 26, 1999
    Assignee: Pfizer Inc.
    Inventors: Eric George Belfield, Ivan Tommasini