Patents by Inventor Cristina Serrat

Cristina Serrat 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).

  • Publication number: 20180171186
    Abstract: The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures comprising one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure that comprises a high density polyethylene having a density greater than 0.960 g/cm3, wherein the high density polyethylene comprises 1 to 99 weight percent of the resin, a maleic anhydride grafted high density polyethylene, wherein the maleic anhydride grafted high density polyethylene comprises 1 to 99 weight percent of the resin, and a catalyst comprising at least one Lewis acid.
    Type: Application
    Filed: August 5, 2016
    Publication date: June 21, 2018
    Inventors: Yong Zheng, Brian W. Walther, Santosh S. Bawiskar, Cristina Serrat
  • Publication number: 20180094127
    Abstract: The present disclosure relates to a method of promoting optimal stretching of stretch film during a wrapping operation, which method comprises at least the following steps. First a resin suitable for making stretch films is selected. Then a dispersed agent is selected, preferably one which has a refractive index similar to the selected resin such that when a film is made comprising the resin and the dispersed agent, the film will appear somewhat clear. The dispersed agent is then mixed with the resin and a film is formed from the resin containing the dispersed agent. Finally, a load is manually wrapped using such film, wherein during wrapping, the film is stretched to a level where the film becomes more opaque.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 5, 2018
    Inventors: Justice Alaboson, Caroline Woelfle-Gupta, Rashi Tiwari, Jon W. Hobson, Lawrence J. Effler, JR., Cristina Serrat, Alexander Williamson, Viraj Shah
  • Publication number: 20180086545
    Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container includes (A) four panels, each panel formed from a flexible multilayer film. The flexible multilayer film is composed of one or more polymeric materials. The four panels form (i) a body, and (ii) a neck. The flexible container includes (B) a fitment. The fitment includes a top portion and a base. The base is composed of a polymeric material. The base is sealed in the neck. The flexible container includes (C) a sleeve and bag-on-valve assembly, or SBoV. The SBoV includes a valve seat, a bladder, and an elastic sleeve. (D) The bladder and the elastic sleeve are inserted through the fitment and are located in the body. (E) The valve seat is attached to the fitment.
    Type: Application
    Filed: April 13, 2016
    Publication date: March 29, 2018
    Inventors: Ryan S. Gaston, Rashi Tiwari, Cristina Serrat, Jeffrey E. Bonekamp, Matthew J. Turpin
  • Publication number: 20180035664
    Abstract: Materials are provided that combine certain antimicrobial compositions with substrates to provide materials suitable for the packaging of food products, such as meat products. In one aspect, the present invention provides a material suitable for packaging that comprises (a) a substrate, and (b) an antimicrobial composition comprising: (i) an active antimicrobial agent and (ii) a carrier, wherein the antimicrobial composition has a viscosity of at least 50 centipoise at temperatures between 2° C. and 12° C.
    Type: Application
    Filed: February 10, 2016
    Publication date: February 8, 2018
    Inventors: Paul R. Elowe, Jaime L. Curtis-Fisk, Cristina Serrat
  • Publication number: 20180027829
    Abstract: Materials are provided that combine certain antimicrobial compositions with substrates to provide materials suitable for the packaging of food products, such as meat products. In one aspect, the present invention provides a material suitable for packaging that comprises (a) a substrate, and (b) an antimicrobial composition comprising: (i) an active antimicrobial agent and (ii) a carrier, wherein the antimicrobial composition is a hydrogel.
    Type: Application
    Filed: February 10, 2016
    Publication date: February 1, 2018
    Inventors: Paul R. Elowe, Jaime L. Curtis-Fisk, Cristina Serrat
  • Publication number: 20170326856
    Abstract: A container blow molded from a multilayer structure which comprises an inner product facing layer which comprises an ethylene-based polymer having a density equal to or less than 0.940 g/cc, a crystallinity of equal to or less than 62%, and Mz/Mn ratio equal to or less than 100, wherein the inner product facing layer has a small scale root mean square roughness of equal to or less than 40 nm and/or a large scale root mean square roughness of equal to or less than 500 nm is provided.
    Type: Application
    Filed: July 29, 2015
    Publication date: November 16, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Vivek Kalihari, Jill M. Martin, Hyunwoo Kim, Meaghan M. Woodward, Nilesh R. Savargaonkar, Michael D. Read, Cristina Serrat, Ayush A. Bafna
  • Patent number: 9725535
    Abstract: Novel catalyst compositions comprising three or more transition metals are effective in increasing catalyst efficiency, reducing polydispersity, and increasing uniformity in molecular weight distribution when used in olefin, and particularly, linear low density polyethylene (LLDPE), polymerizations. The resulting polymers may be used to form differentiated products including, for example, films that may exhibit improved optical and mechanical properties.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: August 8, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Sylvie Desjardins, Mehmet Demirors, Ellen Donkers, Philip P. Fontaine, Cristina Serrat
  • Patent number: 9573737
    Abstract: The present disclosure provides a device. In an embodiment, a device for dispensing a fluid under pressure is provided and includes: (A) a flexible container comprising four panels, each panel formed from a flexible multilayer film composed of one or more polymeric materials, the four panels forming (i) a body, and (ii) a neck; (B) a fitment comprising a top portion and a base, the base composed of a polymeric material, the base sealed in the neck; (C) a sleeve bag on valve assembly (SBoV) comprising (i) a valve housing, (ii) a core tube attached to the valve housing, (iii) a bag around the core tube, the bag attached to the valve housing, (iv) a sleeve surrounding the bag and the core tube, and (v) a valve seat; (D) the SBoV inserted through the fitment and located in the body; and (E) the valve seat attached to the fitment.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: February 21, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Jeffrey E. Bonekamp, Cristina Serrat, Matthew J. Turpin
  • Publication number: 20160304254
    Abstract: The present disclosure provides a device. In an embodiment, a device for dispensing a fluid under pressure is provided and includes: (A) a flexible container comprising four panels, each panel formed from a flexible multilayer film composed of one or more polymeric materials, the four panels forming (i) a body, and (ii) a neck; (B) a fitment comprising a top portion and a base, the base composed of a polymeric material, the base sealed in the neck; (C) a sleeve bag on valve assembly (SBoV) comprising (i) a valve housing, (ii) a core tube attached to the valve housing, (iii) a bag around the core tube, the bag attached to the valve housing, (iv) a sleeve surrounding the bag and the core tube, and (v) a valve seat; (D) the SBoV inserted through the fitment and located in the body; and (E) the valve seat attached to the fitment.
    Type: Application
    Filed: August 31, 2015
    Publication date: October 20, 2016
    Inventors: Jeffrey E. Bonekamp, Cristina Serrat, Matthew J. Turpin
  • Publication number: 20160108150
    Abstract: Novel catalyst compositions comprising three or more transition metals are effective in increasing catalyst efficiency, reducing polydispersity, and increasing uniformity in molecular weight distribution when used in olefin, and particularly, linear low density polyethylene (LLDPE), polymerizations. The resulting polymers may be used to form differentiated products including, for example, films that may exhibit improved optical and mechanical properties.
    Type: Application
    Filed: December 28, 2015
    Publication date: April 21, 2016
    Inventors: Sylvie Desjardins, Mehmet Demirors, Ellen Donkers, Philip P. Fontaine, Cristina Serrat
  • Patent number: 9284440
    Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: March 15, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Lawrence J. Effler, Jr., Nilesh R. Savargaonkar, Mehmet Demirors, Selim Bensason, Teresa P. Karjala, Gregory Bunker, Cristina Serrat, Jian Wang
  • Patent number: 9255160
    Abstract: Novel catalyst compositions comprising three or more transition metals are effective in increasing catalyst efficiency, reducing polydispersity, and increasing uniformity in molecular weight distribution when used in olefin, and particularly, linear low density polyethylene (LLDPE), polymerizations. The resulting polymers may be used to form differentiated products including, for example, films that may exhibit improved optical and mechanical properties.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: February 9, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Sylvie Desjardins, Mehmet Demirors, Ellen Donkers, Philip P. Fontaine, Cristina Serrat
  • Patent number: 8921500
    Abstract: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in shrinkage film applications, and articles made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of 0.920 to 0.940 g/cm3.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 30, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Lawrence J. Effler, Jr., Mehmet Demirors, Cristina Serrat, Lonnie G. Hazlitt
  • Patent number: 8907030
    Abstract: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in fiber applications, and fibers made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of from 0.920 to 0.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 9, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Lawrence J. Effler, Lonnie G. Hazlitt, Teresa P. Karjala, Cristina Serrat
  • Patent number: 8835567
    Abstract: The instant invention is a sealant composition, method of producing the same, articles made therefrom, and method for forming such articles. The sealant composition according to the present invention comprises: (a) from 70 to 99.5 percent by weight of an ethylene/?-olefin interpolymer composition, based on the total weight of the sealant composition, wherein said ethylene/?-olefin interpolymer composition comprises an ethylene/?-olefin interpolymer, wherein ethylene/?-olefin interpolymer has a Comonomer Distribution Constant (CDC) in the range of from 15 to 250, and a density in the range of from 0.875 to 0.963 g/cm3, a melt index (I2) in a range of from 0.2 to 20 g/10 minutes, and long chain branching frequency in the range of from 0.02 to 3 long chain branches (LCB) per 1000 C; (b) from 0.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: September 16, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Rongjuan Cong, Cristina Serrat, Gagan Saini, Michael Rutkowske
  • Publication number: 20140134364
    Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film, according to the present invention, comprises the melt blending product of: (a) from 5 percent or less by weight of a first low density polyethylene (first LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) from 5 to 50 percent by weight of a second low density polyethylene (second LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from 0.
    Type: Application
    Filed: July 2, 2012
    Publication date: May 15, 2014
    Applicants: DCOMCO, INC., Dow Global Technologies LLC, The Dow Chemical Company
    Inventors: Lawrence J. Effler, Nilesh R. Savargaonkar, Teresa P. Karjala, Cristina Serrat, Jian Wang
  • Publication number: 20140080970
    Abstract: Novel catalyst compositions comprising three or more transition metals are effective in increasing catalyst efficiency, reducing polydispersity, and increasing uniformity in molecular weight distribution when used in olefin, and particularly, linear low density polyethylene (LLDPE), polymerizations. The resulting polymers may be used to form differentiated products including, for example, films that may exhibit improved optical and mechanical properties.
    Type: Application
    Filed: May 23, 2012
    Publication date: March 20, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: Sylvie Desjardins, Mehmet Demirors, Ellen Donkers, Manvel Fontaine, Cristina Serrat
  • Publication number: 20130225738
    Abstract: The instant invention provides polyethylene compositions having reduced plate out, and films made therefrom having reduced blooming. The polyethylene composition suitable for film applications according to the present invention comprises the melt blending product of: (a) an ethylene based polymer; (b) a first antioxidant system comprising one or more antioxidants selected from the group consisting of Octadecyl-3-(3,5-di-tert.butyl-4-hydroxyphenyl)-propionate; Pentaerythritol Tetrakis (3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate); and combinations thereof; (c) a second antioxidant system comprising a liquid phosphite corresponding to the formula [4-(2-methylbutan-2-yl)phenyl]x[2,4-bis(2-methylbutan-2-yl)phenyl]3-x phosphate, wherein x=0, 1, 2, 3, or combinations thereof; and (d) optionally one or more neutralizing agents.
    Type: Application
    Filed: October 17, 2011
    Publication date: August 29, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: John O. Osby, Brian W. Walther, Jose E. Ruiz, Jon W. Hobson, Cristina Serrat
  • Publication number: 20130210990
    Abstract: The instant invention is a sealant composition, method of producing the same, articles made therefrom, and method for forming such articles. The sealant composition according to the present invention comprises: (a) from 70 to 99.5 percent by weight of an ethylene/?-olefin interpolymer composition, based on the total weight of the sealant composition, wherein said ethylene/?-olefin interpolymer composition comprises an ethylene/?-olefin interpolymer, wherein ethylene/?-olefin interpolymer has a Comonomer Distribution Constant (CDC) in the range of from 15 to 250, and a density in the range of from 0.875 to 0.963 g/cm3, a melt index (I2) in a range of from 0.2 to 20 g/10 minutes, and long chain branching frequency in the range of from 0.02 to 3 long chain branches (LCB) per 1000C; (b) from 0.
    Type: Application
    Filed: October 26, 2011
    Publication date: August 15, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Mehmet Demirors, Rongjuan Cong, Cristina Serrat, Gagan Saini, Michael Rutkowske
  • Publication number: 20130190465
    Abstract: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in fiber applications, and fibers made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of from 0.920 to 0.
    Type: Application
    Filed: September 29, 2010
    Publication date: July 25, 2013
    Inventors: Mehmet Demirors, Lawrence J. Effler, Lonnie G. Hazlitt, Teresa P. Karjala, Cristina Serrat