Patents by Inventor Joseph Petraitis

Joseph Petraitis 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).

  • Forms of a multicyclic compound
    Patent number: 8633314
    Abstract: The present invention provides alternative forms of Compound I, processes to reproducibly make them and methods of treating patients using them.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: January 21, 2014
    Assignee: Cephalon, Inc.
    Inventors: Stephen Bierlmaier, Michael Christie, R. Scott Field, R. Curtis Haltiwanger, Linli He, Martin J. Jacobs, Michael Kress, Robert E. McKean, Dale R. Mowrey, Joseph Petraitis, Mehran Yazdanian, Veronique Courvoisier
  • Novel forms of a multicyclic compound
    Publication number: 20120214998
    Abstract: The present invention provides alternative forms of Compound I, processes to reproducibly make them and methods of treating patients using them.
    Type: Application
    Filed: February 24, 2012
    Publication date: August 23, 2012
    Applicant: Cephalon, Inc.
    Inventors: Stephen Bierlmaier, Michael Christie, Laurent Courvoisier, Veronique Courvoisier, R. Scott Field, R. Curtis Haltiwanger, Linli He, Martin J. Jacobs, Michael Kress, Robert E. McKean, Dale R. Mowrey, Joseph Petraitis, Mehran Yazdanian
  • Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses
    Publication number: 20020082691
    Abstract: Optically clear, reinforced cross-linked silicone elastomers of the invention contain 12 to 18 mol percent of aryl substituted siloxane units of the formula R4,R5—SiO, end blockers containing silioxane units of the formula R1R2R3—Si—O, and dialkyl siloxane units of the formula R6R7—Si—O R1 and R2 are alkyl, aryl or substituted alkyl or substituted aryl groups, and R3 is an alkenyl group. R4 and R5 are phenyl or mono lower alkyl substituted phenyl groups. R6 and R7 are methyl or ethyl groups. The polymer has a degree of polymerization between 100 to 2000, and preferably approximately 250. The polymer also contains trimethyl silyl treated silica as a reinforcer in the weight ratio of approximately 15 to 45 parts of reinforcer to 100 parts of the polymer. After cross-linking, the polymer has properties of an optical refractive index which is at least 1.44, a type A durometer hardness of at least 35, tensile strength of at least 500 psi and tear strength of at least 20 phi.
    Type: Application
    Filed: June 5, 2001
    Publication date: June 27, 2002
    Applicant: Allergan
    Inventors: Richard Christ, Brian Allen Nash, Del Joseph Petraitis
  • Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses
    Patent number: 6277147
    Abstract: Optically clear, reinforced cross-linked silicone elastomers of the invention contain 12 to 18 mol percent of aryl substituted siloxane units of the formula R4R5-SiO, end blockers containing siloxane units of the formula R1R2R3SiO.5, and dialkyl siloxane units of the formula R6R7-SiO. R1 and R2 are alkyl, aryl or substituted alkyl or substituted aryl groups, and R3 is an alkenyl group. R4 and R5 are phenyl or mono lower alkyl substituted phenyl groups. R6 and R7 are methyl or ethyl groups. The polymer has a degree of polymerization between 100 to 2000, and preferably approximately 250. The polymer also contains trimethyl silyl treated silica as a reinforcer in the weight ratio of approximately 15 to 45 parts of reinforcer to 100 parts of the polymer. After cross-linking, the polymer has properties of an optical refractive index which is at least 1.44, a type A durometer hardness of at least 35, tensile strength of at least 500 psi and tear strength of at least 20 pli.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: August 21, 2001
    Assignee: Allergan
    Inventors: Richard Christ, Brian Allen Nash, Del Joseph Petraitis
  • Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses
    Patent number: 5869549
    Abstract: Optically clear, reinforced cross-linked silicone elastomers of the invention contain 12 to 18 mol percent of aryl substituted siloxane units of the formula R.sub.4 R.sub.5 --SiO, end blockers containing silioxane units of the formula R.sub.1 R.sub.2 R.sub.3 --SiO.sub..5, and dialkyl siloxane units of the formula R.sub.6 R.sub.7 --SiO. R.sub.1 and R.sub.2 are alkyl, aryl or substituted alkyl or substituted aryl groups, and R.sub.3 is an alkenyl group. R.sub.4 and R.sub.5 are phenyl or mono lower alkyl substituted phenyl groups. R.sub.6 and R.sub.7 are methyl or ethyl groups. The polymer has a degree of polymerization between 100 to 2000, and preferably approximately 250. The polymer also contains trimethyl silyl treated silica as a reinforcer in the weight ratio of approximately 15 to 45 parts of reinforcer to 100 parts of the polymer. After cross-linking, the polymer has properties of an optical refractive index which is at least 1.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: February 9, 1999
    Assignee: Allergan
    Inventors: Richard Christ, Brian Allen Nash, Del Joseph Petraitis
  • Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses
    Patent number: 5661195
    Abstract: Optically clear, reinforced cross-linked silicone elastomers of the invention contain 12 to 18 mol percent of aryl substituted siloxane units of the formula R.sub.4 R.sub.5 --SiO, end blockers containing silioxane units of the formula R.sub.1 R.sub.2 R.sub.3 SiO.sub.5, and dialkyl siloxane units of the formula R.sub.6 R.sub.7 --SiO. R.sub.1 and .sub.2 are alkyl, aryl or substituted alkyl or substituted aryl groups, and R.sub.3 is an alkenyl group. R.sub.4 and R.sub.5 are phenyl or mono lower alkyl substituted phenyl groups. R.sub.6 and R.sub.7 are methyl or ethyl groups. The polymer has a degree of polymerization between 100 to 2000, and preferably approximately 250. The polymer also contains trimethyl silyl treated silica as a reinforcer in the weight ratio of approximately 15 to 45 parts of reinforcer to 100 parts of the polymer. After cross-linking, the polymer has properties of an optical refractive index which is at least 1.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: August 26, 1997
    Assignee: Allergan
    Inventors: Richard Christ, Brian Allen Nash, Del Joseph Petraitis