Patents by Inventor Shengsheng Liu
Shengsheng Liu 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: 11957153Abstract: Disclosed is a copolymer that includes a repeat unit containing a flavorant-containing pendant and a salt-containing repeating unit. In addition, a comestible, a smoking composition, a smoking article, a smokeless tobacco composition and a heatable or combustible product are provided which incorporate one or more of the flavorant-containing copolymer.Type: GrantFiled: June 25, 2020Date of Patent: April 16, 2024Assignee: PHILIP MORRIS USA INC.Inventors: Shengsheng Liu, Munmaya K. Mishra, Peter J. Lipowicz, Biao Duan
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Publication number: 20230320982Abstract: A soft, chewable and orally dissolvable and/or disintegrable product includes a biopolymer-sugar based matrix and botanical powder dispersed throughout the biopolymer-sugar based matrix. The biopolymer-sugar based matrix includes at least one biopolymer, at least one sugar and optional additives. Soft, chewable and orally dissolvable and/or disintegrable product can also include flavor beads.Type: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicant: Philip Morris USA Inc.Inventors: Feng GAO, Shalva GEDEVANISHVILI, Shengsheng LIU, Munmaya K. MISHRA, William R. SWEENEY, Randall BAREN, Qinglin LI, Darin COLASSACO, Salem CHOUCHANE
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Patent number: 11712415Abstract: A soft, chewable and orally dissolvable and/or disintegrable product includes a biopolymer-sugar based matrix and botanical powder dispersed throughout the biopolymer-sugar based matrix. The biopolymer-sugar based matrix includes at least one biopolymer, at least one sugar and optional additives. Soft, chewable and orally dissolvable and/or disintegrable product can also include flavor beads.Type: GrantFiled: February 11, 2021Date of Patent: August 1, 2023Assignee: Philip Morris USA Inc.Inventors: Feng Gao, Shalva Gedevanishvili, Shengsheng Liu, Munmaya K. Mishra, William R. Sweeney, Randall Baren, Qinglin Li, Darin Colassaco, Salem Chouchane
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Patent number: 11660844Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.Type: GrantFiled: September 26, 2018Date of Patent: May 30, 2023Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Fenghua Deng, Julian Neal Robinson, Moira Tayler
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Publication number: 20230151169Abstract: A heat-sealable composite film comprising an oriented polyester substrate layer having a first and second surface is provided. Disposed on the first surface of the substrate layer is a heat- sealable polymeric coating layer comprising a styrenic linear block copolymer thermoplastic elastomer, an ethylene vinyl acetate (EVA) copolymer and a tackifying resin. Also described is a sealed container comprising a receptacle containing a food product, and a lid formed from said heat-sealable composite film.Type: ApplicationFiled: February 24, 2021Publication date: May 18, 2023Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Fenghua Deng, Shengsheng Liu, Erik Nelson
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Publication number: 20230133260Abstract: A composite film comprising a of amide substrate layer having a first and second surface, and a primer coating layer disposed on the first surface of the substrate layer, wherein the primer coating layer is derived from a composition comprising an acid copolymer resin, an organic crosslinker and an acid catalyst. A heat-sealable coating is applied on the primer.Type: ApplicationFiled: March 24, 2021Publication date: May 4, 2023Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Erik Jevon Nelson
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Patent number: 11628652Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.Type: GrantFiled: September 26, 2018Date of Patent: April 18, 2023Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Fenghua Deng, Julian Neal Robinson, Moira Tayler
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Publication number: 20230028583Abstract: The invention is concerned with a blade for a tape measure, wherein the blade comprises an elongate metal substrate and further comprises at least one oriented polyamide protective film. The oriented polyamide protective film comprises an oriented polyamide substrate film and may comprise a heat-sealable polymeric coating layer.Type: ApplicationFiled: December 17, 2020Publication date: January 26, 2023Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Erik Nelson
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Publication number: 20210161811Abstract: A soft, chewable and orally dissolvable and/or disintegrable product includes a biopolymer-sugar based matrix and botanical powder dispersed throughout the biopolymer-sugar based matrix. The biopolymer-sugar based matrix includes at least one biopolymer, at least one sugar and optional additives. Soft, chewable and orally dissolvable and/or disintegrable product can also include flavor beads.Type: ApplicationFiled: February 11, 2021Publication date: June 3, 2021Applicant: Philip Morris USA Inc.Inventors: Feng GAO, Shalva GEDEVANISHVILI, Shengsheng LIU, Munmaya K. MISHRA, William R. SWEENEY, Randall BAREN, Qinglin LI, Darin COLASSACO, Salem CHOUCHANE
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Publication number: 20200323254Abstract: Disclosed is a copolymer that includes a repeat unit containing a flavorant-containing pendant and a salt-containing repeating unit. In addition, a comestible, a smoking composition, a smoking article, a smokeless tobacco composition and a heatable or combustible product are provided which incorporate one or more of the flavorant-containing copolymer.Type: ApplicationFiled: June 25, 2020Publication date: October 15, 2020Applicant: Philip Morris USA Inc.Inventors: Shengsheng LIU, Munmaya K. MISHRA, Peter J. LIPOWICZ, Biao DUAN
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Publication number: 20200269552Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.Type: ApplicationFiled: September 26, 2018Publication date: August 27, 2020Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Fenghua Deng, Julian Neal Robinson, Moira Tayler
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Patent number: 10716324Abstract: Disclosed is a copolymer that includes a repeat unit containing a flavorant-containing pendant and a salt-containing repeating unit. In addition, a comestible, a smoking composition, a smoking article, a smokeless tobacco composition and a heatable or combustible product are provided which incorporate one or more of the flavorant-containing copolymer.Type: GrantFiled: November 16, 2015Date of Patent: July 21, 2020Assignee: Philip Morris USA Inc.Inventors: Shengsheng Liu, Munmaya K. Mishra, Peter J. Lipowicz, Biao Duan
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Publication number: 20190175498Abstract: A soft, chewable and orally dissolvable and/or disintegrable product includes a biopolymer-sugar based matrix and botanical powder dispersed throughout the biopolymer-sugar based matrix. The biopolymer-sugar based matrix includes at least one biopolymer, at least one sugar and optional additives. Soft, chewable and orally dissolvable and/or disintegrable product can also include flavor beads.Type: ApplicationFiled: February 15, 2019Publication date: June 13, 2019Applicant: Philip Morris USA Inc.Inventors: Feng Gao, Shalva Gedevanishvili, Shengsheng Liu, Munmaya K. Mishra, William R. Sweeney, Randall Baren, Qinglin Li, Darin Colassaco, Salem Chouchane
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Publication number: 20190153180Abstract: Disclosed herein is a method of producing a composite film that includes a biaxially oriented polyethylene terephthalate film substrate layer and a crosslinked layer on a surface thereof, wherein the crosslinked layer comprises a reaction product of a functionalized ethylene vinyl acetate copolymer comprising multiple COOH groups per molecule, wherein the functionalized ethylene vinyl acetate copolymer comprises 10-50 weight % of vinyl acetate monomer units and an organic crosslinker comprising multiple reactive groups per molecule, wherein the organic crosslinker is a melamine, said reactive groups being reactive with the COOH groups. The method also includes applying a solution comprising the functionalized ethylene vinyl acetate copolymer and the organic crosslinker in an organic solvent or mixture thereof to the biaxially oriented polyethylene terephthalate film substrate, followed by drying to form the crosslinked layer.Type: ApplicationFiled: January 24, 2019Publication date: May 23, 2019Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Fenghua DENG
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Patent number: 10264815Abstract: A process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) freeze-drying a solution of a biopolymer to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby prepare a filter plug for a smoking article. Another process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) extruding a mixture of a foaming agent and a biopolymer comprising a protein to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby form a filter plug for a smoking article.Type: GrantFiled: December 14, 2015Date of Patent: April 23, 2019Assignee: Philip Morris USA Inc.Inventors: Munmaya K. Mishra, Shengsheng Liu, William R. Sweeney, Peter J. Lipowicz
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Patent number: 10245227Abstract: A soft, chewable and orally dissolvable and/or disintegrable product includes a biopolymer-sugar based matrix and botanical powder dispersed throughout the biopolymer-sugar based matrix. The biopolymer-sugar based matrix includes at least one biopolymer, at least one sugar and optional additives. Soft, chewable and orally dissolvable and/or disintegrable product can also include flavor beads.Type: GrantFiled: September 17, 2015Date of Patent: April 2, 2019Assignee: Philip Morris USA Inc.Inventors: Feng Gao, Shalva Gedevanishvili, Shengsheng Liu, Munmaya K. Mishra, William R. Sweeney, Randall Baren, Qinglin Li, Darin Colassaco, Salem Chouchane
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Publication number: 20180332886Abstract: Disclosed is a smoking article containing a rod containing a smokable composition, an optional wrapper for the rod, and at least one polymer or oligomer comprising monomer units of a polycarboxylic acid ester disposed on or in the rod, the wrapper, or both. The polycarboxylic acid ester contains an acid moiety having at least two carboxylic groups, and at least two alcohol moieties independently selected from those corresponding to a cycloalkyl alcohol or an aryl alcohol. The cycloalkyl alcohol or aryl alcohol is a flavorant, or chemesthetic agent, or both. In addition, a method for the controlled release of these flavorant or chemesthetic agents is described, which comprises pyrolyzing at least one polymer or oligomer.Type: ApplicationFiled: June 29, 2018Publication date: November 22, 2018Applicant: Philip Morris USA Inc.Inventors: Munmaya K. Mishra, Kathryne E. Paine, John B. Paine, Shengsheng Liu
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Patent number: 10039310Abstract: Disclosed is a smoking article containing a rod containing a smokable composition, an optional wrapper for the rod, and at least one polymer or oligomer comprising monomer units of a polycarboxylic acid ester disposed on or in the rod, the wrapper, or both. The polycarboxylic acid ester contains an acid moiety having at least two carboxylic groups, and at least two alcohol moieties independently selected from those corresponding to a cycloalkyl alcohol or an aryl alcohol. The cycloalkyl alcohol or aryl alcohol is a flavorant, or chemesthetic agent, or both. In addition, a method for the controlled release of these flavorant or chemesthetic agents is described, which comprises pyrolyzing at least one polymer or oligomer.Type: GrantFiled: July 28, 2015Date of Patent: August 7, 2018Assignee: Philip Morris USA Inc.Inventors: Munmaya K. Mishra, Kathryne E. Paine, John B. Paine, Shengsheng Liu
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Publication number: 20170218152Abstract: A composite film includes a polyester film substrate layer and a crosslinked layer on a surface thereof, wherein the crosslinked layer includes a reaction product of a) a functionalized ethylene vinyl acetate copolymer including multiple COOH groups or multiple alcoholic OH groups per molecule; and b) an organic crosslinker including multiple reactive groups per molecule, the reactive groups being reactive with the COOH or alcoholic OH groups; wherein the adhesion strength between the substrate layer and the crosslinked layer is at least 177 g/cm (450 g/inch). A method of joining the composite film, optionally further including a heat-sealable polymer layer on the crosslinked layer, to a container or a self-supporting film, includes contacting the crosslinked layer or the heat-sealable polymer layer with the container or the self-supporting film or under heat sealing conditions.Type: ApplicationFiled: August 3, 2015Publication date: August 3, 2017Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng LIU, Fenghua DENG
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Patent number: 9687023Abstract: A moist smokeless tobacco product for oral use comprises a pre-portioned piece of tobacco material semi-dissolvable, a super-hydrated membrane coating comprising a soluble, non-cross-linked component and an insoluble, cross-linked component, and a texture component. The tobacco material comprises moist smokeless tobacco. The texture component reduces the slipperiness and/or increases the friction of the moist smokeless tobacco product when placed in a user's mouth.Type: GrantFiled: October 9, 2009Date of Patent: June 27, 2017Assignee: Philip Morris USA Inc.Inventors: Munmaya K. Mishra, Shengsheng Liu, William R. Sweeney, Feng Gao, Tapashi Sengupta