Patents by Inventor Ajay Padsalgikar

Ajay Padsalgikar 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).

  • Publication number: 20180186139
    Abstract: The invention relates to a process for bonding a silicone or silicone based material to a polyurethane and use of the bonded silicone-polyurethane in the manufacture of biomaterials, devices, articles or implants, in particular long term implantable medical devices in the fields of cardiology, orthopaedics, plastic surgery and gastroenterology. The process involves the steps of (a) flame treating a surface of the silicone or silicone based material and (b) bonding the polyurethane to the flame treated surface of the silicone or silicone based material.
    Type: Application
    Filed: November 6, 2017
    Publication date: July 5, 2018
    Inventor: Ajay Padsalgikar
  • Patent number: 8674035
    Abstract: The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: March 18, 2014
    Assignee: Aortech International plc
    Inventor: Ajay Padsalgikar
  • Patent number: 8623986
    Abstract: The present invention relates to biostable gel comprising: (a) at least one silicon-containing polyol, polyamine, polyepoxy or polyisocyanate having 1 or more functional groups and a molecular weight of at least 20,000 which is cured in the presence of: (b) at least one diol, diamine or diisocyanate having a molecular weight of less than 10,000; and/or (c) an initiator, processes for their preparation and their use in the manufacture and repair of biomaterials and medical devices, articles or implants, in particular the manufacture of a soft tissue implant such as breast implants and the repair of orthopaedic joints such as spinal discs.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: January 7, 2014
    Assignee: Aertech International plc
    Inventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay Padsalgikar
  • Patent number: 8207245
    Abstract: The present invention relates to silicon-containing biostable gels and processes for their preparation. The gels possess properties which make them useful in the manufacture and repair of biomaterials and medical devices, articles or implants, in particular the manufacture of soft tissue implants such as breast implants and the repair of orthopaedic joints such as spinal discs.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: June 26, 2012
    Assignee: Aortech International plc
    Inventors: Ajay Padsalgikar, Trang Thanh Nhan, Sriram Venkataramani, Mansour Mehrabi, Mark Bown
  • Publication number: 20100094416
    Abstract: A soft tissue implant comprises a shell filled with a fluid biomaterial that is capable of curing in situ. A method of implanting a soft tissue implant includes: creating a pocket in soft tissue thereby defining the location of the implant; inserting an unfilled shell into the pocket; filling the shell with a biomaterial to a predetermined volume; and curing the biomaterial in situ.
    Type: Application
    Filed: October 10, 2006
    Publication date: April 15, 2010
    Inventors: Frank Maguire, Ajay Padsalgikar, Leroy Young, Mark Jewell
  • Publication number: 20100029802
    Abstract: The present invention relates to biostable gel comprising: (a) at least one silicon-containing polyol, polyamine, polyepoxy or polyisocyanate having 1 or more functional groups and a molecular weight of at least 20,000 which is cured in the presence of: (b) at least one diol, diamine or diisocyanate having a molecular weight of less than 10,000; and/or (c) an initiator, processes for their preparation and their use in the manufacture and repair of biomaterials and medical devices, articles or implants, in particular the manufacture of asoft tissue implant such as breast implants and the repair of orthopaedic joints such as spinal discs.
    Type: Application
    Filed: April 19, 2007
    Publication date: February 4, 2010
    Inventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay Padsalgikar
  • Publication number: 20090182111
    Abstract: The present invention relates to a biostable polyurethane or polyurea comprising: (a) a soft segment comprising a polysiloxane of the general formula (I); and (b) greater than O and less than 40 wt % of a hard segment which is a reaction product of a diisocyanate and a linear difunctional chain extender, processes for their preparation and their use in the manufacture of biomaterials, devices, articles or implants.
    Type: Application
    Filed: March 29, 2007
    Publication date: July 16, 2009
    Inventor: Ajay Padsalgikar
  • Publication number: 20080293844
    Abstract: The present invention relates to silicon-containing biostable gels and processes for their preparation. The gels possess properties which make them useful in the manufacture and repair of biomaterials and medical devices, articles or implants, in particular the manufacture of soft tissue implants such as breast implants and the repair of orthopaedic joints such as spinal discs.
    Type: Application
    Filed: September 28, 2005
    Publication date: November 27, 2008
    Applicant: AORTECH BIOMATERIALS PTY LTD
    Inventors: Ajay Padsalgikar, Trang Thanh Nhan, Sriram Venkataramani, Mansour Mehrabi, Mark Bown
  • Patent number: 7202302
    Abstract: Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: April 10, 2007
    Assignee: Huntsman International LLC
    Inventors: Evan H. Cheolas, Berend Eling, Ravi R. Joshi, Alan McClelland, Ajay Padsalgikar, Andreas H. Rothacker
  • Publication number: 20070027285
    Abstract: The present invention relates to cross linked polyurethanes or polyurethane ureas and processes for their preparation. The polyurethanes are biostable and creep resistant which makes them useful in the manufacture of biomaterials and medical devices, articles or implants, in particular orthopaedic implants such as spinal disc prostheses.
    Type: Application
    Filed: May 25, 2006
    Publication date: February 1, 2007
    Inventors: Pathiraja Gunatillake, Ajay Padsalgikar, Raju Adhikari, Ian Griffiths, Mark Bown
  • Publication number: 20040094859
    Abstract: Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.
    Type: Application
    Filed: November 17, 2003
    Publication date: May 20, 2004
    Inventors: Evan H. Cheolas, Berend Eling, Ravi R. Joshi, Alan McClelland, Ajay Padsalgikar, Andreas H. Rothacker