Patents by Inventor Ajay D. Padsalgikar
Ajay D. 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).
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Patent number: 10676560Abstract: 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 0 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: GrantFiled: May 31, 2018Date of Patent: June 9, 2020Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Patent number: 10597497Abstract: 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: GrantFiled: August 6, 2018Date of Patent: March 24, 2020Assignee: Aortech International plcInventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay D. Padsalgikar, Ramasri Mudumba
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Publication number: 20190071543Abstract: 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: ApplicationFiled: August 6, 2018Publication date: March 7, 2019Inventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay D. Padsalgikar, Ramasri Mudumba
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Patent number: 10195834Abstract: 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, orthopedics, 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: GrantFiled: November 6, 2017Date of Patent: February 5, 2019Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Publication number: 20180298139Abstract: 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 0 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: ApplicationFiled: May 31, 2018Publication date: October 18, 2018Inventor: Ajay D. Padsalgikar
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Patent number: 10059807Abstract: 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 orthopedic joints such as spinal discs.Type: GrantFiled: July 7, 2016Date of Patent: August 28, 2018Assignee: Aortech International plcInventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay D. Padsalgikar, Ramasri Mudumba
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Patent number: 9994668Abstract: 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: GrantFiled: December 2, 2016Date of Patent: June 12, 2018Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Patent number: 9809016Abstract: 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: GrantFiled: June 28, 2016Date of Patent: November 7, 2017Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Patent number: 9765191Abstract: 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: GrantFiled: January 6, 2014Date of Patent: September 19, 2017Assignee: Aortech International plcInventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay D. Padsalgikar, Ramasri Mudumba
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Publication number: 20170210844Abstract: 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: ApplicationFiled: December 2, 2016Publication date: July 27, 2017Inventor: Ajay D. Padsalgikar
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Publication number: 20170121464Abstract: 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: ApplicationFiled: July 7, 2016Publication date: May 4, 2017Inventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay D. Padsalgikar, Ramasri Mudumba
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Publication number: 20170114187Abstract: 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: ApplicationFiled: January 6, 2014Publication date: April 27, 2017Applicant: Aortech International plcInventors: Mansour Mehrabi, Sriram Venkataramani, Mark Bown, Ajay D. Padsalgikar, Ramasri Mudumba
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Publication number: 20170028694Abstract: 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: ApplicationFiled: June 28, 2016Publication date: February 2, 2017Inventor: Ajay D. Padsalgikar
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Patent number: 9512261Abstract: 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: GrantFiled: September 11, 2015Date of Patent: December 6, 2016Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Patent number: 9421737Abstract: 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, orthopedics, 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: GrantFiled: December 3, 2015Date of Patent: August 23, 2016Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Publication number: 20160101596Abstract: 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: ApplicationFiled: December 3, 2015Publication date: April 14, 2016Inventor: Ajay D. Padsalgikar
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Publication number: 20160096913Abstract: 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: ApplicationFiled: September 11, 2015Publication date: April 7, 2016Inventor: Ajay D. Padsalgikar
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Patent number: 9216558Abstract: 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: GrantFiled: April 26, 2012Date of Patent: December 22, 2015Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Patent number: 9175130Abstract: 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: GrantFiled: March 17, 2014Date of Patent: November 3, 2015Assignee: Aortech International plcInventor: Ajay D. Padsalgikar
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Publication number: 20140343243Abstract: 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: ApplicationFiled: March 17, 2014Publication date: November 20, 2014Applicant: Aortech International plcInventor: Ajay D. Padsalgikar