Patents by Inventor Amos Ophir
Amos Ophir 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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Publication number: 20230210108Abstract: Provided herein are antimicrobial coating compositions and food packaging materials coated therewith. The coating compositions include at least one antimicrobial active agent and a hydrophilic polymer, such that the active agent is immobilized within the composition.Type: ApplicationFiled: May 26, 2021Publication date: July 6, 2023Inventors: Ana DOTAN, Yael ROTH, Amos OPHIR, Shay SHAMA
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Publication number: 20230200315Abstract: A subsurface drip irrigation (SDI) pipe including a polymer water conduit with drippers spaced along a length of its wall and one or more essential oils (EO) adsorbed to a nanoclay (NC) /polymer structure so that EO is delivered to soil surrounding the SDI pipe.Type: ApplicationFiled: June 20, 2021Publication date: June 29, 2023Inventors: Ana DOTAN, Tal BALBOUL, Amos OPHIR
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Publication number: 20220081542Abstract: Polymer films having a surface with increased hydrophobicity or enhanced hydrophobicity or improved hydrophobicity or super-hydrophobicity; composite structures such as multilayer polymer sheets comprising the polymer films; methods and systems of making such polymer films; polymer blends from which to make such polymer films; masterbatches or masterbatch compositions useful for making such polymer blends; as well as methods and systems for making such polymer blends and such masterbatches or masterbatch compositions.Type: ApplicationFiled: November 24, 2021Publication date: March 17, 2022Inventors: Roee Levi, Hanna Schwartz, Nadav Goldstein, Amos Ophir
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Patent number: 11247819Abstract: A biodegradable polymeric sheet may be configured to undergo biodegradation on the ground responsive to an exposure to free air and natural day light. The biodegradable polymeric sheet may include a first layer comprising polysaccharide at a weight % of between 15% to 50% and a polyester matrix, the first layer is configured to form a water barrier when in contact with water; a second layer comprising a polysaccharide at a weight % of at least 40% and a polyester matrix; and a third layer comprising polysaccharide at a weight % of between 15% to 50%, a polyester matrix and an additive configured to accelerate disintegration of the polymeric sheet when exposed to natural day light, the third layer is configured to form a water barrier when in contact with water.Type: GrantFiled: June 27, 2018Date of Patent: February 15, 2022Assignee: Elbit Systems Ltd.Inventors: Shlomo Alkaher, Dan Lewitus, Amos Ophir, Ana Lea Dotan
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Publication number: 20180305099Abstract: A biodegradable polymeric sheet may be configured to undergo biodegradation on the ground responsive to an exposure to free air and natural day light. The biodegradable polymeric sheet may include a first layer comprising polysaccharide at a weight % of between 15% to 50% and a polyester matrix, the first layer is configured to form a water barrier when in contact with water; a second layer comprising a polysaccharide at a weight % of at least 40% and a polyester matrix; and a third layer comprising polysaccharide at a weight % of between 15% to 50%, a polyester matrix and an additive configured to accelerate disintegration of the polymeric sheet when exposed to natural day light, the third layer is configured to form a water barrier when in contact with water.Type: ApplicationFiled: June 27, 2018Publication date: October 25, 2018Applicant: Elbit Systems Ltd.Inventors: Shlomo ALKAHER, Dan LEWITUS, Amos OPHIR, Ana Lea DOTAN
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Patent number: 10086940Abstract: A method of delivering over the air, shelled portions of fluids or granular substances containing effective ingredients, to a target, includes the following stages: selecting a type and a size of the shelled portions containing the required effective ingredients, based on mission parameters and physical data of a scene containing the target; conveying the shelled portions to a delivery point, based on the mission parameters and the physical data; and ballistically delivering the shelled portions towards the target, wherein the shelled portions comprise fluids or granular substances covered by shells that provide the shelled portions a ballistic coefficient that is significantly higher than a ballistic coefficient of similar portions without the shells.Type: GrantFiled: June 26, 2017Date of Patent: October 2, 2018Assignee: ELBIT SYSTEMS LTD.Inventors: Shlomo Alkaher, Dan Lewitus, Amos Ophir, Ana Lea Dotan, Yoram Ilan Lipovsky
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Publication number: 20170320573Abstract: A method of delivering over the air, shelled portions of fluids or granular substances containing effective ingredients, to a target, includes the following stages: selecting a type and a size of the shelled portions containing the required effective ingredients, based on mission parameters and physical data of a scene containing the target; conveying the shelled portions to a delivery point, based on the mission parameters and the physical data; and ballistically delivering the shelled portions towards the target, wherein the shelled portions comprise fluids or granular substances covered by shells that provide the shelled portions a ballistic coefficient that is significantly higher than a ballistic coefficient of similar portions without the shells.Type: ApplicationFiled: June 26, 2017Publication date: November 9, 2017Inventors: Shlomo ALKAHER, Dan Lewitus, Amos Ophir, Ana Lea Dotan, Yoram Ilan Lipovsky
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Publication number: 20170291706Abstract: A method of delivering, over the air, shelled portions of fluids or granular substances containing effective ingredients, to a target, includes the following stages: selecting a type and a size of the shelled portions containing the required effective ingredients, based on mission parameters and physical data of a scene containing the target; conveying the shelled portions to a delivery point, based on the mission parameters and the physical data; and ballistically delivering the shelled portions towards the target, wherein the shelled portions comprise fluids or granular substances covered by shells that provide the shelled portions a ballistic coefficient that is significantly higher than a ballistic coefficient of similar portions without the shells.Type: ApplicationFiled: June 26, 2017Publication date: October 12, 2017Inventors: Shlomo ALKAHER, Yoram ILAN LIPOVSKY, Dan LEWITUS, Amos OPHIR, Ana Lea DOTAN
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Publication number: 20150283519Abstract: There is provided herein a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both), the polymer substance includes: a porous support member having a plurality of pores, wherein at least a portion of the pores are filled with a cross-linked co-polymer comprising (i) a cationic monomer and an anionic monomer, (ii) a zwitterionic monomer, or a combination thereof. The substance may include a membrane or a tube.Type: ApplicationFiled: June 22, 2015Publication date: October 8, 2015Inventors: Moshe Rakhman, Tehila Faiglin, Amos Ophir, Gershon Levitsky, Joshua Lewis Colman
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Publication number: 20150257381Abstract: Disclosed is an antimicrobial sheet comprising a polymer, a nanoparticle, a foaming agent and an essential oil (EO). Further disclosed is a method for preparing such an antimicrobial sheet. In addition, the invention provides an antimicrobial polymeric coating comprising a polymer a surfactant and an EO.Type: ApplicationFiled: March 12, 2015Publication date: September 17, 2015Inventors: Amos OPHIR, Roni EFRATI, Ana DOTAN, Shmuel KENIG
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Patent number: 9090766Abstract: There is provided herein a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both), the polymer substance includes: a porous support member having a plurality of pores, wherein at least a portion of the pores are filled with a cross-linked co-polymer comprising (i) a cationic monomer and an anionic monomer, (ii) a zwitterionic monomer, or a combination thereof. The substance may include a membrane or a tube.Type: GrantFiled: April 30, 2014Date of Patent: July 28, 2015Assignee: Oridion Medical 1987 Ltd.Inventors: Moshe Rakhman, Tehila Faiglin, Amos Ophir, Gershon Levitsky, Joshua Lewis Colman
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Patent number: 9067035Abstract: There is provided herein a dryer polymer substance comprising a polymer grafted with a compound having sulfonic groups, wherein the substance is adapted to pervaporate a fluid such as water, water vapor or both. There is further provided a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid, the process includes processing a polymer into a desired form, activating at least a portion of the polymer, and grafting the activated portion of the polymer with a compound having groups adapted to be sulfonated.Type: GrantFiled: March 3, 2009Date of Patent: June 30, 2015Assignee: Oridion Medical (1987) Ltd.Inventors: Amos Ophir, Eyal Cohen, David Dishon, Joshua Lewis Colman
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Publication number: 20140230652Abstract: There is provided herein a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both), the polymer substance includes: a porous support member having a plurality of pores, wherein at least a portion of the pores are filled with a cross-linked co-polymer comprising (i) a cationic monomer and an anionic monomer, (ii) a zwitterionic monomer, or a combination thereof. The substance may include a membrane or a tube.Type: ApplicationFiled: April 30, 2014Publication date: August 21, 2014Applicant: ORIDION MEDICAL (1987) LTD.Inventors: Moshe Rakhman, Tehila Faiglin, Amos Ophir, Gershon Levitsky, Joshua Lewis Colman
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Patent number: 8764888Abstract: There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form.Type: GrantFiled: August 22, 2013Date of Patent: July 1, 2014Assignee: Oridion Medical 1987 Ltd.Inventors: Amos Ophir, Eyal Cohen, David Dishon, Joshua Lewis Colman
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Patent number: 8747752Abstract: There is provided herein a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both), the polymer substance includes: a porous support member having a plurality of pores, wherein at least a portion of the pores are filled with a cross-linked co-polymer comprising (i) a cationic monomer and an anionic monomer, (ii) a zwitterionic monomer, or a combination thereof. The substance may include a membrane or a tube.Type: GrantFiled: March 3, 2009Date of Patent: June 10, 2014Assignee: Oridion Medical (1987) Ltd.Inventors: Moshe Rakhman, Tehila Faiglin, Amos Ophir, Gershon Levitsky, Joshua Lewis Colman
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Publication number: 20140147472Abstract: Provided is a bioadhesive composition and device including same, the composition including a polymeric matrix and at least one synthetic bioadhesive polymer carried by the polymeric matrix, the polymeric matrix including at least one synthetic thermoplastic polymer characterized by one or more of (a) an average molecular weight in the range of between 20,000 Da to 90,000 Da; and (b) it includes polycaprolactone (PCL); wherein exposure to heat causes the bioadhesive composition to transform into a non-solid state and to cohesively adhere to a biological tissue upon subsequent cooling thereof. Also provided herein are methods of preparing the composition or device, and use of the composition or device in therapy, e.g. for treating hernia.Type: ApplicationFiled: September 27, 2011Publication date: May 29, 2014Applicant: MEDIZN TECHNOLOGIES LTD.Inventors: Nissan Elimelech, Ana Dotan, Amos Ophir
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Publication number: 20130338523Abstract: There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form.Type: ApplicationFiled: August 22, 2013Publication date: December 19, 2013Applicant: ORIDION MEDICAL (1987) LTD.Inventors: Amos Ophir, Eyal Cohen, David Dishon, Joshua Lewis Colman
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Patent number: 8540806Abstract: There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form.Type: GrantFiled: January 2, 2013Date of Patent: September 24, 2013Assignee: Oridion Medical (1987) Ltd.Inventors: Amos Ophir, Eyal Cohen, David Dishon, Joshua Lewis Colman
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Patent number: 8366811Abstract: There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form.Type: GrantFiled: March 3, 2009Date of Patent: February 5, 2013Assignee: Oridion Medical (1987) Ltd.Inventors: Amos Ophir, Eyal Cohen, David Dishon, Joshua Lewis Colman
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Publication number: 20120189820Abstract: A temperature-responsive glazing device includes a transparent structure with at least one chamber. The chamber encloses a temperature-responsive material characterized by a transition temperature, such that the transparency of the device is substantially different for fluid temperatures above and below the transition temperature.Type: ApplicationFiled: May 17, 2010Publication date: July 26, 2012Inventors: Gilad Hakim, Amos Ophir, Gilad Roter, Avishay Pelah, Ana Dotan