Patents by Inventor Cynthia L. Rickey

Cynthia L. Rickey 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: 20230193091
    Abstract: A composition comprising the following: a) at least one ethylene/alpha-olefin multi-block inteipolymer that comprises soft segments (SS) and hard segments (HS), and wherein the interpolymer comprises the following properties: i) a melt index (I2)?30 dg/min, ii) a molar ratio of “the alpha-olefin in the SS” to “the alpha-olefin in the HS”?18, iii) a weight ratio of the SS to the HS ?12.0; at least one tackifier and/or at least one oil.
    Type: Application
    Filed: April 29, 2021
    Publication date: June 22, 2023
    Inventors: Yi Jin, Jong-young Lee, Allan Walter Mclennaghan, Cynthia L. Rickey
  • Patent number: 10385242
    Abstract: The invention provides a composition comprising the following: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177° C.) less than, or equal to, 50,000 cP, ii) MWD from 1.5 to 5, and iii) a density from 0.855 to 0.900 g/cc; B) a tackifier; and C) a wax.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 20, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Livia L. Chen, Selim Yalvac, Cynthia L. Rickey
  • Patent number: 9969912
    Abstract: The present disclosure is directed to a hot melt adhesive composition including: a) an ethylene/?-olefin multi-block copolymer having a weight molecular weight (Mw) less than 20,000; b) a tackifier having a softening temperature from 90° C. to 150° C.; and c) a wax.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: May 15, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Colin LiPiShan, Cynthia L. Rickey, Alex Y. Wang
  • Patent number: 9902882
    Abstract: The invention provides compositions containing at least one functionalized polyolefin, and in particular, to compositions containing at least one functionalized ethylene interpolymer, which has a melt viscosity less than 50,000 cP at 350° F. (177° C.) and a molecular weight distribution (Mw/Mn) from about 1 to 5. The invention also provides adhesive formulations containing the same. The invention also relates to the preparation of the functionalized interpolymers, by reacting, for example, such an ethylene interpolymer with the following: a) at least one unsaturated compound, containing at least one heteroatom, and b) at least one initiator.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: February 27, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Selim Yalvac, Benjamin R. Rozenblat, Cynthia L. Rickey, Steven A. Wells
  • Publication number: 20160304756
    Abstract: The present disclosure is directed to a hot melt adhesive composition including: a) an ethylene/?-olefin multi-block copolymer having a weight molecular weight (Mw) less than 20,000; b) a tackifier having a softening temperature from 90° C. to 150° C.; and c) a wax.
    Type: Application
    Filed: December 22, 2014
    Publication date: October 20, 2016
    Inventors: Colin LIPI SHAN, Cynthia L. RICKEY, Alex Y. WANG
  • Patent number: 9243173
    Abstract: The invention provides an adhesive formulation comprising an olefin block copolymer comprising hard blocks and soft blocks wherein the hard blocks comprise 4-8 mol % comonomer; and are present in an amount of 20 wt %-45 wt %. This formulation is particularly advantageous for use in hot melt adhesives but may be used in other applications as well.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: January 26, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Colin LiPiShan, Cynthia L. Rickey, Alec Y. Wang
  • Publication number: 20150361315
    Abstract: The invention provides compositions containing at least one functionalized polyolefin, and in particular, to compositions containing at least one functionalized ethylene interpolymer, which has a melt viscosity less than 50,000 cP at 350° F. (177° C.) and a molecular weight distribution (Mw/Mn) from about 1 to 5. The invention also provides adhesive formulations containing the same. The invention also relates to the preparation of the functionalized interpolymers, by reacting, for example, such an ethylene interpolymer with the following: a) at least one unsaturated compound, containing at least one heteroatom, and b) at least one initiator.
    Type: Application
    Filed: August 25, 2015
    Publication date: December 17, 2015
    Inventors: Teresa P. Karjala, Selim Yalvac, Benjamin R. Rozenblat, Cynthia L. Rickey, Steven A. Wells
  • Patent number: 9120888
    Abstract: The invention provides compositions containing at least one functionalized polyolefin, and in particular, to compositions containing at least one functionalized ethylene interpolymer, which has a melt viscosity less than 50,000 cP at 350° F. (177° C.) and a molecular weight distribution (Mw/Mn) from about 1 to 5. The invention also provides adhesive formulations containing the same. The invention also relates to the preparation of the functionalized interpolymers, by reacting, for example, such an ethylene interpolymer with the following: a) at least one unsaturated compound, containing at least one heteroatom, and b) at least one initiator.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: September 1, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Selim Yalvac, Benjamin R. Rozenblat, Cynthia L. Rickey, Steven A. Wells
  • Publication number: 20150166853
    Abstract: The invention provides a composition comprising the following: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177° C.) less than, or equal to, 50,000 cP, ii) MWD from 1.5 to 5, and iii) a density from 0.855 to 0.900 g/cc; B) a tackifier; and C) a wax.
    Type: Application
    Filed: March 14, 2013
    Publication date: June 18, 2015
    Inventors: Livia L. Chen, Selim Yalvac, Cynthia L. Rickey
  • Patent number: 9012563
    Abstract: The invention relates compositions containing at least one silane-grafted polyolefin, and in particular, to compositions containing at least one silane-grafted ethylene/?-olefin polymer, which has a melt viscosity less than 50,000 cP, and adhesives containing the same. In one embodiment, the at least one silane-grafted ethylene/?-olefin polymer is formed from an ethylene/?-olefin polymer that has a molecular weight distribution from 1 to 3.5. The invention also relates to the preparation of the silane-grafted polymers, by reacting, for example, an ethylene/?-olefin polymer with at least one silane compound and at least one initiator.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: April 21, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey, Randall M. Cuntala
  • Publication number: 20150065638
    Abstract: The invention provides an adhesive formulation comprising an olefin block copolymer comprising hard blocks and soft blocks wherein the hard blocks comprise 4-8 mol % comonomer; and are present in an amount of 20 wt %-45 wt %. This formulation is particularly advantageous for use in hot melt adhesives but may be used in other applications as well.
    Type: Application
    Filed: February 27, 2013
    Publication date: March 5, 2015
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Colin LiPiShan, Cynthia L. Rickey, Alec Y. Wang
  • Patent number: 8609779
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: December 17, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey
  • Patent number: 8536268
    Abstract: An adhesive composition comprising a copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and C4-20?-olefins, the copolymer having (i) a content of units derived from propylene of greater than about 50 mole percent, (ii) a Brookfield viscosity at 190 C from about 50 to about 100,000 cP, (iii) an MWD from about 1.5 to about 15, and (iv) containing less than about 50 ppm residual catalyst metal.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: September 17, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Patricia Ansems, Charles F. Diehl, Selim Yalvac, Cynthia L. Rickey, Seema V. Karande, Angela N. Taha
  • Patent number: 8318864
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: November 27, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey
  • Patent number: 8211982
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: July 3, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey
  • Patent number: 8034878
    Abstract: The invention provides a comprising one or more ethylene interpolymers, and wherein the interpolymers, or the composition, has a melt viscosity from 1 to 30,000 cP at 177° C., and wherein at least one ethylene interpolymer has an Rv from 0.3 to 0.99. The invention further provides a composition comprising at least one low molecular weight (LMW) ethylene interpolymer, and at least one high molecular weight (HMW) ethylene interpolymer, and wherein the composition has a melt viscosity from 1 to 30,000 cP at 177° C., and wherein the sum of the Rv from the low molecular weight interpolymer and the high molecular weight interpolymer is from 0.3 to 2. The invention further provides for processes of making such compositions, processes for functionalizing the interpolymer(s) of such compositions, and articles comprising at least one component prepared from an inventive composition.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: October 11, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Selim Yalvac, Cynthia L. Rickey, Sylvie Desjardins, Marc A. Springs
  • Patent number: 7989543
    Abstract: An adhesive composition comprises: (i) at least one ethylene/?-olefin interpolymer, (ii) at least one tackifÊer; and (iii) optionally at least one additive, such as a plasticizer, wax and antioxidant. Preferably, the ethylene/?-olefin interpolymer has a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm?858.91?1825.3(d)+1112.8(d)2. The composition has relatively higher SAFT temperature and can be used in hot melt adhesives pressure-sensitive adhesives, and thermoplastic marking paints.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: August 2, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Selim Yalvac, Charles F. Diehl, Yunwa W. Cheung, Cynthia L. Rickey
  • Publication number: 20110152437
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Application
    Filed: February 21, 2011
    Publication date: June 23, 2011
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey
  • Publication number: 20110144240
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Application
    Filed: February 21, 2011
    Publication date: June 16, 2011
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey
  • Patent number: 7897689
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: March 1, 2011
    Assignee: Dow Global Technologies Inc.
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey