Patents by Inventor Mahesh Sambasivam

Mahesh Sambasivam 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).

  • Pressure sensitive adhesives with amphiphilic copolymer
    Patent number: 11426485
    Abstract: A silicone pressure sensitive adhesive with amphiphilic copolymers for maintaining adhesion in a moist environment. The amphiphilic copolymers for silicone adhesives include at least one silicone moiety and at least one hydrophilic segment. Such adhesives are applicable to securing medical devices to human skin.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: August 30, 2022
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Mahesh Sambasivam, Joseph C. Salamone, Ann Beal Salamone, Xiang Yu
  • Pressure sensitive adhesives with amphiphilic copolymers
    Patent number: 10294317
    Abstract: A silicone pressure sensitive adhesive with amphiphilic copolymers for maintaining adhesion in a moist environment. The amphiphilic copolymers for silicone adhesives include at least one silicone moiety and at least one hydrophilic segment. Such adhesives are applicable to securing medical devices to human skin.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: May 21, 2019
    Assignee: Convatec Technologies Inc.
    Inventors: Mahesh Sambasivam, Joseph C. Salamone, Ann Beal Salamone, Xiang Yu
  • PRESSURE SENSITIVE ADHESIVES WITH AMPHIPHILIC COPOLYMERS
    Publication number: 20180362690
    Abstract: A silicone pressure sensitive adhesive with amphiphilic copolymers for maintaining adhesion in a moist environment. The amphiphilic copolymers for silicone adhesives include at least one silicone moiety and at least one hydrophilic segment. Such adhesives are applicable to securing medical devices to human skin.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 20, 2018
    Inventors: Mahesh SAMBASIVAM, Joseph C. SALAMONE, Ann Beal SALAMONE, Xiang YU
  • SKIN ADHESIVES, ANTIMICROBIAL COMPOSITIONS, ARTICLES, AND METHODS FOR THE USE THEREOF
    Publication number: 20180338945
    Abstract: The present disclosure relates to skin adhesives, antimicrobial compositions, and articles thereof, including methods and processes of forming such antimicrobial compositions, medical devices, and articles thereof. The antimicrobial compositions include, for example, adhesive compositions, gels, cleansers, wound dressings and foams.
    Type: Application
    Filed: April 26, 2018
    Publication date: November 29, 2018
    Inventor: Mahesh Sambasivam
  • SILICONE ADHESIVES TO SECURE MEDICAL APPLIANCES TO MAMMALIAN BODY
    Publication number: 20170157284
    Abstract: The present disclosure relates to the field of skin friendly silicone adhesive compositions and use of such compositions to secure medical appliances to mammalian body, and to protect and treat peri-skin surface.
    Type: Application
    Filed: February 9, 2015
    Publication date: June 8, 2017
    Inventors: Lloyd Pearce, John Chacksfield, Mahesh Sambasivam
  • SKIN COMPATIBLE CURING ADHESIVES FOR ADHERING DEVICES TO MAMMALIAN BODY
    Publication number: 20170028098
    Abstract: Skin compatible curing adhesives for adhering devices or appliances to mammalian body are disclosed. Adhesive compositions to protect per-anal, peri-stomal, peri-wound, and peri-fistula skin are disclosed. The skin compatible curable adhesive includes at least one silylated polymer, silylated macromer, silylated monomer, or a combination thereof; at least one curing catalyst; and at least one crosslinking agent.
    Type: Application
    Filed: November 24, 2014
    Publication date: February 2, 2017
    Applicant: Trio Healthcare Ltd
    Inventors: Lloyd PEARCE, Mahesh SAMBASIVAM
  • Amphiphilic pressure sensitive adhesives for human skin adhesion
    Patent number: 9346982
    Abstract: The present invention relates to amphiphilic pressure sensitive adhesives, specifically, pressure sensitive adhesives with amphiphilic copolymers which improve adhesion under moist environment. The amphiphilic copolymers comprise at least one hydrophobic acrylic monomer or oligomer and at least one hydrophilic or amphiphilic monomer or oligomer. The present invention also relates to the use of such adhesives in securing medical devices to human skin.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: May 24, 2016
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Mahesh Sambasivam, Xiang Yu, Joseph C Salamone, Ann Beal Salamone
  • Amphiphilic silicone copolymers for pressure sensitive adhesive applications
    Patent number: 8679581
    Abstract: Silicone pressure sensitive adhesive compositions including amphiphilic copolymers. The amphiphilic copolymers are based on a polydimethylhydrogensiloxane or polydimethylsiloxane based macroinitiator. A medical device including said pressure sensitive adhesive compositions for securing the device to human skin or tissue.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: March 25, 2014
    Assignee: Convatec Technologies, Inc.
    Inventors: Mahesh Sambasivam, James Crivello
  • AMPHIPHILIC PRESSURE SENSITIVE ADHESIVES FOR HUMAN SKIN ADHESION
    Publication number: 20120208974
    Abstract: The present invention relates to amphiphilic pressure sensitive adhesives, specifically, pressure sensitive adhesives with amphiphilic copolymers which improve adhesion under moist environment. The amphiphilic copolymers comprise at least one hydrophobic acrylic monomer or oligomer and at least one hydrophilic or amphiphilic monomer or oligomer. The present invention also relates to the use of such adhesives in securing medical devices to human skin.
    Type: Application
    Filed: August 15, 2011
    Publication date: August 16, 2012
    Applicant: ConvaTec Technologies Inc.
    Inventors: Mahesh Sambasivam, Xiang Yu, Joseph C. Salamone, Ann Beal Salamone
  • PRESSURE SENSITIVE ADHESIVES WITH AMPHIPHILIC COPOLYMERS
    Publication number: 20120109036
    Abstract: A silicone pressure sensitive adhesive with amphiphilic copolymers for maintaining adhesion in a moist environment. The amphiphilic copolymers for silicone adhesives include at least one silicone moiety and at least one hydrophilic segment. Such adhesives are applicable to securing medical devices to human skin.
    Type: Application
    Filed: July 7, 2010
    Publication date: May 3, 2012
    Applicant: ConvaTec Technologies Inc.
    Inventors: Mahesh Sambasivam, Joseph C. Salamone, Ann Beal Salamone, Xiang Yu
  • AMPHIPHILIC SILICONE COPOLYMERS FOR PRESSURE SENSITIVE ADHESIVE APPLICATIONS
    Publication number: 20120108749
    Abstract: Silicone pressure sensitive adhesive compositions including amphiphilic copolymers. The amphiphilic copolymers are based on a polydimethylhydrogensiloxane or polydimethylsiloxane based macroinitiator. A medical device including said pressure sensitive adhesive compositions for securing the device to human skin or tissue.
    Type: Application
    Filed: July 7, 2010
    Publication date: May 3, 2012
    Applicant: ConvaTec Technologies Inc.
    Inventors: Mahesh Sambasivam, James Crivello
  • OSTOMY APPLIANCES WITH SULFONATED POLYMERS
    Publication number: 20110106033
    Abstract: This invention relates to an ostomy appliance comprising a body side component, a biocompatible pressure sensitive adhesive component for attaching the said bodyside component to the peristomal area and/or stoma, wherein the biocompatible pressure sensitive adhesive component includes at least one polymer with sulfonated functional group.
    Type: Application
    Filed: June 19, 2009
    Publication date: May 5, 2011
    Inventor: Mahesh Sambasivam
  • Enzyme inhibiting adhesives
    Patent number: 7858836
    Abstract: An adhesive composition including an adhesive component and an enzyme inhibiting component for use in ostomy and wound care applications. The enzyme inhibitors are derived from tubers, such as potatoes. In ostomy, the adhesive composition helps to secure the collection bag or pouch to the skin. In wound care application, the adhesive composition secures the wound dressing to the skin. The adhesive composition also may be used to couple two or more ostomy or wound care components together.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: December 28, 2010
    Assignee: ConvaTec Technologies Inc.
    Inventor: Mahesh Sambasivam
  • OSTOMY DEVICES WITH MUCOADHESIVES
    Publication number: 20100100064
    Abstract: The present invention provides a biocompatible adhesive for securely adhering ostomy appliances simultaneously to the body and the stoma. The ostomy appliance is comprised of an adhesive component and a body waste collector component, wherein the adhesive component includes a mucoadhesive component. The mucoadhesive component comprises a polymer with functional groups that provide adhesion to skin and stoma.
    Type: Application
    Filed: March 6, 2008
    Publication date: April 22, 2010
    Applicant: CONVATEC TECHNOLOGIES INC.
    Inventor: Mahesh Sambasivam
  • OSTOMY APPLIANCE WITH RECOVERY RESISTANT MOLDABLE ADHESIVE
    Publication number: 20070185464
    Abstract: The invention relates to an ostomy device having a body side surface and an opposing backing surface. The body side surface has a layer of adhesive capable of being manually shaped to conform to the shape of the stoma.
    Type: Application
    Filed: February 1, 2007
    Publication date: August 9, 2007
    Applicant: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: George F. Fattman, Mahesh Sambasivam
  • HOT-MELT SILICONE BASED OSTOMY AND WOUND CARE SKIN ATTACHMENT ADHESIVES
    Publication number: 20070179461
    Abstract: An ostomy or wound care appliance including an ostomy or wound care device for attachment to the body with an adhesive. The adhesive including a hot-melt silicone pressure sensitive adhesive composition and a reinforcing member.
    Type: Application
    Filed: February 1, 2007
    Publication date: August 2, 2007
    Applicant: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Mahesh Sambasivam, George F. Fattman
  • ENZYME INHIBITING SPRAYABLE COMPOSITIONS
    Publication number: 20060292109
    Abstract: A skin barrier composition including a barrier component and an enzyme inhibiting component that is sprayable for use in ostomy and wound care, infant diapers, and fecal incontinence applications. The barrier component is based on petrolatum or other acceptable carriers, and the enzyme inhibitor component is derived from tubers, such as potatoes.
    Type: Application
    Filed: June 21, 2006
    Publication date: December 28, 2006
    Applicant: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Mahesh Sambasivam, Andrew Hoggarth, Michael Waring, Fiona Adam
  • Methods of reducing bleed-out of underfill and adhesive materials
    Patent number: 7141452
    Abstract: Methods of forming microelectronic devices by disposing a radiation curable underfill material or adhesive material between a substrate and a microelectronic die, and exposing any radiation curable material which bleeds-out therefrom to radiation before or immediately after disposition, thereby reducing the extent of material bleed-out.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: November 28, 2006
    Assignee: Intel Corporation
    Inventors: Mahesh Sambasivam, Drew W. Delaney, Saeed Shojaie
  • Enzyme inhibiting adhesives
    Publication number: 20060141016
    Abstract: An adhesive composition including an adhesive component and an enzyme inhibiting component for use in ostomy and wound care applications. The enzyme inhibitors are derived from tubers, such as potatoes. In ostomy, the adhesive composition helps to secure the collection bag or pouch to the skin. In wound care application, the adhesive composition secures the wound dressing to the skin. The adhesive composition also may be used to couple two or more ostomy or wound care components together.
    Type: Application
    Filed: November 29, 2005
    Publication date: June 29, 2006
    Applicant: Bristol-Myers Squibb Company
    Inventor: Mahesh Sambasivam
  • Methods of reducing bleed-out of underfill and adhesive materials
    Publication number: 20050118748
    Abstract: Method of forming microeletronic devices by disposing a radiation curable underfill material or adhesive material between a substrate and a microelectronic die, and exposing any the radiation curable material which bleeds-out therefrom to radiation before or immediately after disposition, thereby reducing the extent of material bleed-out.
    Type: Application
    Filed: December 1, 2003
    Publication date: June 2, 2005
    Inventors: Mahesh Sambasivam, Drew Delaney, Saeed Shojaie