Patents by Inventor Tea Datashvili
Tea Datashvili 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: 11649341Abstract: Components of medical devices include polyethylene-poly(ethylene oxide) amphiphilic graft copolymers (PE-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of ethylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.Type: GrantFiled: September 4, 2020Date of Patent: May 16, 2023Assignee: Becton, Dickinson and CompanyInventors: Jianbin Zhang, Theresa Hermel-Davidock, Edward Bryan Coughlin, Tea Datashvili
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Patent number: 11649343Abstract: Components of medical devices include polypropylene-poly(ethylene oxide) amphiphilic graft copolymers (PP-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of propylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.Type: GrantFiled: September 4, 2020Date of Patent: May 16, 2023Assignee: Becton, Dickinson and CompanyInventors: Jianbin Zhang, Theresa Hermel-Davidock, Edward Bryan Coughlin, Tea Datashvili
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Publication number: 20230104319Abstract: The present disclosure is directed to a formulations of cements and methods for bonding dissimilar materials. The formulations and methods can bond a Non-polyvinyl chloride (PVC) containing first polyolefin that is amorphous or has low crystallinity to a second material that is a rigid material or a hard PVC. The methods and formulations can work by co-dissolution at an interface, or activation of a one of the materials prior to bonding.Type: ApplicationFiled: December 6, 2022Publication date: April 6, 2023Inventors: Zehra SEVINC, Tea DATASHVILI, Fanqing MENG, Shang-Ren WU, Chinnu BRAHATHEESWARAN
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Patent number: 11541649Abstract: The present disclosure is directed to a formulations of cements and methods for bonding dissimilar materials. The formulations and methods can bond a Non-polyvinyl chloride (PVC) containing first polyolefin that is amorphous or has low crystallinity to a second material that is a rigid material or a hard PVC. The methods and formulations can work by co-dissolution at an interface, or activation of a one of the materials prior to bonding.Type: GrantFiled: September 18, 2019Date of Patent: January 3, 2023Assignee: CAREFUSION 303, INC.Inventors: Zehra Sevinc, Tea Datashvili, Fanqing Meng, Shang-Ren Wu, Chinnu Brahatheeswaran
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Patent number: 11198801Abstract: Amphiphilic graft copolymers comprise a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where “X” is an organic group or an organo-functional group, and “A” is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. These copolymers are suitable for forming medical devices and/or as additives to base polymeric formulations for medical devices for improving laser marking, antimicrobial resistance, adhesive free bond strength, paintability and dyeability.Type: GrantFiled: August 17, 2018Date of Patent: December 14, 2021Assignee: Becton, Dickinson and CompanyInventors: Theresa Hermel-Davidock, Tea Datashvili
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Publication number: 20200399453Abstract: Components of medical devices include polyethylene-poly(ethylene oxide) amphiphilic graft copolymers (PE-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of ethylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.Type: ApplicationFiled: September 4, 2020Publication date: December 24, 2020Applicant: Becton, Dickinson and CompanyInventors: Jianbin Zhang, Theresa Hermel-Davidock, Edward Bryan Coughlin, Tea Datashvili
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Publication number: 20200399457Abstract: Components of medical devices include polypropylene-poly(ethylene oxide) amphiphilic graft copolymers (PP-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of propylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.Type: ApplicationFiled: September 4, 2020Publication date: December 24, 2020Applicant: Becton, Dickinson and CompanyInventors: Jianbin Zhang, Theresa Hermel-Davidock, Edward Bryan Coughlin, Tea Datashvili
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Patent number: 10814040Abstract: Medical devices comprise a polymeric body comprising: a base polymeric formulation comprising at least a polymer or co-polymer of propylene; and an additive comprising a copolymer having a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where “X” is an organic group or an organo-functional group, and “A” is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. Optionally, inorganic fillers may be included. The medical devices are laser markable.Type: GrantFiled: August 17, 2018Date of Patent: October 27, 2020Assignee: Becton, Dickinson and CompanyInventors: Theresa Hermel-Davidock, Tea Datashvili
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Patent number: 10806829Abstract: Medical devices comprise a polymeric body comprising: a base polymeric formulation comprising at least a polymer or co-polymer of propylene; and an additive comprising a copolymer having a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where “X” is an organic group or an organo-functional group, and “A” is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. Antimicrobial agents are included in the polymeric body. The medical devices have enhanced antimicrobial properties.Type: GrantFiled: August 17, 2018Date of Patent: October 20, 2020Assignee: Becton, Dickinson and CompanyInventors: Theresa Hermel-Davidock, Tea Datashvili
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Patent number: 10787533Abstract: This invention relates to a novel one-pot process for polyolefin modification to form long-chain branched polymers containing polar functional groups, and the long-chain branched polymer resulting from the process. The process comprises reacting the following components (a) through (d) in a one pot process to form a long-chain branched polyolefin. Component (a) is a polyolefin; component (b) includes one or more silane compounds having the formula R?SiRnR?(3-n), component (c) is an ethylenically unsaturated polycarboxylic acid; and component (d) is a free radical initiator. In the formula R?SiRnR?(3-n) for component (b), R? is an ethylenically or acetylenically unsaturated radical; R is a hydrolyzable group selected from the group consisting of an alkoxy, acyloxy, alkylamino, and arylamino; R? is a hydrocarbyl group having 1 to 6 carbon atoms; and n is 1, 2, or 3.Type: GrantFiled: December 20, 2016Date of Patent: September 29, 2020Assignee: BRASKEM AMERICA, INC.Inventors: Tea Datashvili, Cassandra L. Gallaschun, Sangyoung Shin, Songsheng Zhang
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Patent number: 10654979Abstract: Amphiphilic graft copolymers comprise a polypropylene backbone and polyoxyalkylene side-chains (PPMA-g-PEO-PPO). These copolymers are suitable as additives to base polymeric formulations for medical devices for improving bond strength, paintability, dyeability, and printablity.Type: GrantFiled: August 8, 2018Date of Patent: May 19, 2020Assignee: Becton, Dickinson and CompanyInventors: Theresa Hermel-Davidock, Jianbin Zhang, Tea Datashvili
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Publication number: 20200086620Abstract: The present disclosure is directed to a formulations of cements and methods for bonding dissimilar materials. The formulations and methods can bond a Non-polyvinyl chloride (PVC) containing first polyolefin that is amorphous or has low crystallinity to a second material that is a rigid material or a hard PVC. The methods and formulations can work by co-dissolution at an interface, or activation of a one of the materials prior to bonding.Type: ApplicationFiled: September 18, 2019Publication date: March 19, 2020Inventors: Zehra SEVINC, Tea DATASHVILI, Fanqing MENG, Shang-Ren WU, Chinnu BRAHATHEESWARAN
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Publication number: 20190054213Abstract: Medical devices comprise a polymeric body comprising: a base polymeric formulation comprising at least a polymer or co-polymer of propylene; and an additive comprising a copolymer having a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where “X” is an organic group or an organo-functional group, and “A” is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. Antimicrobial agents are included in the polymeric body. The medical devices have enhanced antimicrobial properties.Type: ApplicationFiled: August 17, 2018Publication date: February 21, 2019Inventors: Theresa Hermel-Davidock, Tea Datashvili
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Publication number: 20190055436Abstract: Amphiphilic graft copolymers comprise a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where “X” is an organic group or an organo-functional group, and “A” is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. These copolymers are suitable for forming medical devices and/or as additives to base polymeric formulations for medical devices for improving laser marking, antimicrobial resistance, adhesive free bond strength, paintability and dyeability.Type: ApplicationFiled: August 17, 2018Publication date: February 21, 2019Inventors: Theresa Hermel-Davidock, Tea Datashvili
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Publication number: 20190055366Abstract: Amphiphilic graft copolymers comprise a polypropylene backbone and polyoxyalkylene side-chains (PPMA-g-PEO-PPO). These copolymers are suitable as additives to base polymeric formulations for medical devices for improving bond strength, paintability, dyeability, and printablity.Type: ApplicationFiled: August 8, 2018Publication date: February 21, 2019Inventors: Theresa Hermel-Davidock, Jianbin Zhang, Tea Datashvili
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Publication number: 20190054214Abstract: Medical devices comprise a polymeric body comprising: a base polymeric formulation comprising at least a polymer or co-polymer of propylene; and an additive comprising a copolymer having a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where “X” is an organic group or an organo-functional group, and “A” is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. Optionally, inorganic fillers may be included. The medical devices are laser markable.Type: ApplicationFiled: August 17, 2018Publication date: February 21, 2019Inventors: Theresa Hermel-Davidock, Tea Datashvili
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Publication number: 20190002615Abstract: This invention relates to a novel one-pot process for polyolefin modification to form long-chain branched polymers containing polar functional groups, and the long-chain branched polymer resulting from the process. The process comprises reacting the following components (a) through (d) in a one pot process to form a long-chain branched polyolefin. Component (a) is a polyolefin; component (b) includes one or more silane compounds having the formula R?SiRnR?(3-n), component (c) is an ethylenically unsaturated polycarboxylic acid; and component (d) is a free radical initiator. In the formula R?SiRnR?(3-n) for component (b), R? is an ethylenically or acetylenically unsaturated radical; R is a hydrolyzable group selected from the group consisting of an alkoxy, acyloxy, alkylamino, and arylamino; R? is a hydrocarbyl group having 1 to 6 carbon atoms; and n is 1, 2, or 3.Type: ApplicationFiled: December 20, 2016Publication date: January 3, 2019Inventors: Tea DATASHVILI, Cassandra L. GALLASCHUN, Sangyoung SHIN, Songsheng ZHANG
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Publication number: 20180086905Abstract: Components of medical devices include polypropylene-poly(ethylene oxide) amphiphilic graft copolymers (PP-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of propylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.Type: ApplicationFiled: September 21, 2017Publication date: March 29, 2018Inventors: Jianbin Zhang, Theresa Hermel-Davidock, Edward Bryan Coughlin, Tea Datashvili
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Publication number: 20180086902Abstract: Components of medical devices include polyethylene-poly(ethylene oxide) amphiphilic graft copolymers (PE-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of ethylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.Type: ApplicationFiled: September 21, 2017Publication date: March 29, 2018Inventors: Jianbin Zhang, Theresa Hermel-Davidock, Edward Bryan Coughlin, Tea Datashvili