Patents by Inventor Charles Perricone

Charles Perricone 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).

  • Drilling fluid systems with improved fluid loss properties
    Patent number: 7439209
    Abstract: A drilling fluid system comprising a brine and a quantity of cationic copolymers comprising a ratio of acrylamide monomers to cationic derivatives of acrylamide monomers, wherein the quantity and the ratio are effective to maintain effective rheology and fluid loss control in said drilling fluid system at temperatures of at least about 250° C. for at least about 16 hours.
    Type: Grant
    Filed: May 1, 2002
    Date of Patent: October 21, 2008
    Assignee: Baker Hughes Incorporated
    Inventors: Billy G. Chesser, Charles Perricone, George W. Bettge
  • Drilling fluid systems with improved fluid loss properties
    Publication number: 20040072695
    Abstract: A drilling fluid system comprising a brine and a quantity of cationic copolymers comprising a ratio of acrylamide monomers to cationic derivatives of acrylamide monomers, wherein the quantity and the ratio are effective to maintain effective rheology and fluid loss control in said drilling fluid system at temperatures of at least about 250° C. for at least about 16 hours.
    Type: Application
    Filed: May 1, 2002
    Publication date: April 15, 2004
    Inventors: Billy G. Chesser, Charles Perricone, George W. Bettge, Dennis Clapper
  • Oxazolidinone antibacterial agents having a thiocarbonyl funtionality
    Patent number: 6537986
    Abstract: The present invention provides compounds of Formula 1 or pharmaceutical acceptable salts thereof wherein A, G and R1 are as defined in the claims which are antibacterial agents.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: March 25, 2003
    Assignee: Pharmacia & Upjohn Company
    Inventors: Jackson B. Hester, Jr., Eldon George Nidy, Salvatore Charles Perricone, Toni-Jo Poel
  • Drilling fluid systems with improved fluid loss properties
    Patent number: 6403537
    Abstract: A drilling fluid system comprising a brine and a quantity of cationic copolymers comprising a ratio of acrylamide monomers to cationic derivatives of acrylamide monomers, wherein the quantity and the ratio are effective to maintain effective rheology and fluid loss control in said drilling fluid system at temperatures of at least about 250° C. for at least about 16 hours.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: June 11, 2002
    Assignee: Baker Hughes Incorporated
    Inventors: Billy G. Chesser, Charles Perricone, George W. Bettge
  • Oxazolidinone antibacterial agents having a thiocarbonyl functionality
    Patent number: 6362189
    Abstract: The present invention provides compounds of Formula 1 or pharmaceutical acceptable salts thereof wherein A, G and R1 are as defined in the claims which are antibacterial agents.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: March 26, 2002
    Assignee: Pharmacia and Upjohn Company
    Inventors: Jackson B. Hester, Jr., Eldon George Nidy, Salvatore Charles Perricone
  • Oxazolidinone antibacterial agents having a thiocarbonyl functionality
    Publication number: 20020016323
    Abstract: The present invention provides compounds of Formula 1 1
    Type: Application
    Filed: March 30, 2001
    Publication date: February 7, 2002
    Applicant: Pharmacia & Upjohn Company
    Inventors: Jackson B. Hester, Eldon George Nidy, Salvatore Charles Perricone, Toni-Jo Poel
  • Oxazolidinone antibacterial agents having a thiocarbonyl functionality
    Patent number: 6342513
    Abstract: The present invention provides compounds of Formula 1: or pharmaceutical acceptable salts thereof wherein A, G and R1 are as defined in the claims which are antibacterial agents.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: January 29, 2002
    Assignee: Pharmacia and Upjohn Company
    Inventors: Jackson B. Hester, Jr., Eldon George Nidy, Salvatore Charles Perricone
  • Oxazolidinone antibacterial agents having a thiocarbonyl functionality
    Publication number: 20010041728
    Abstract: The present invention provides compounds of Formula 1 1
    Type: Application
    Filed: March 30, 2001
    Publication date: November 15, 2001
    Inventors: Jackson B. Hester, Eldon George Nidy, Salvatore Charles Perricone, Toni-Jo Poel
  • Oxazolidinone antibacterial agents having a thiocarbonyl functionality
    Patent number: 6255304
    Abstract: The present invention provides compounds of Formula 1 or pharmaceutical acceptable salts thereof wherein A, G and R, are as defined in the claims which are antibacterial agents.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: July 3, 2001
    Assignee: Pharmacia & Upjohn Company
    Inventors: Jackson B. Hester, Jr., Eldon George Nidy, Salvatore Charles Perricone, Toni-Jo Poel