Patents by Inventor Alfredo Defrancisci

Alfredo Defrancisci 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).

  • Scorch-Delaying Composition
    Publication number: 20080051496
    Abstract: The invention relates to scorch prevention and, more specifically, to a composition which comprises a nitroxide and at least one organic peroxide and which can be used to delay scorching prior to crosslinking of thermoplastic compositions and/or elastomers. The invention also relates to a crosslinkable composition and to a crosslinking method.
    Type: Application
    Filed: September 16, 2005
    Publication date: February 28, 2008
    Applicant: Arkema France
    Inventors: Fabien Debaud, Jacques Kervennal, Alfredo Defrancisci, Olivier Guerret
  • Scorch-retardant composition
    Patent number: 7262250
    Abstract: The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a family of specific nitroxides as additive.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: August 28, 2007
    Assignee: Arkema France
    Inventors: Fabien Debaud, Alfredo Defrancisci, Olivier Guerret, Jacques Kervennal
  • Composition comprising a nitroxide, a promoter and optionally a free-radical initiator
    Patent number: 7226964
    Abstract: The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a nitroxide in combination with at least one crosslinking promoter (promoter) chosen from group (P) consisting of compounds containing at least one double bond, which may be difunctional or polyfunctional.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: June 5, 2007
    Assignee: ARKEMA France
    Inventors: Fabien Debaud, Alfredo Defrancisci, Olivier Guerret, Jacques Kervennal
  • Scorch-retardant composition
    Publication number: 20050192419
    Abstract: The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a family of specific nitroxides as additive.
    Type: Application
    Filed: April 29, 2005
    Publication date: September 1, 2005
    Inventors: Fabien Debaud, Alfredo Defrancisci, Olivier Guerret, Jacques Kervennal
  • Composition comprising a nitroxide, a promoter and optionally a free-radical initiator
    Publication number: 20040195550
    Abstract: The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a nitroxide in combination with at least one crosslinking promoter (promoter) chosen from group (P) consisting of compounds containing at least one double bond, which may be difunctional or polyfunctional.
    Type: Application
    Filed: April 3, 2003
    Publication date: October 7, 2004
    Applicant: Atofina
    Inventors: Fabien Debaud, Alfredo Defrancisci, Olivier Guerret, Jacques Kervennal
  • Scorch-retardant composition
    Publication number: 20040198920
    Abstract: The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a family of specific nitroxides as additive.
    Type: Application
    Filed: April 3, 2003
    Publication date: October 7, 2004
    Applicant: Atofina
    Inventors: Fabien Debaud, Alfredo Defrancisci, Olivier Guerret, Jacques Kervennal