Patents by Inventor Douglas Weldon Carico, Jr.

Douglas Weldon Carico, Jr. 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).

  • Patent number: 11447601
    Abstract: Calendered films or sheets obtained from a composition comprising at least one polyester which has the L* color value of greater than 90 and comprises terephthalic acid residues, optional aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; glycol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and ethylene glycol residues; a catalyst/stabilizer component which comprises titanium atoms, manganese atoms, phosphorous atoms; fillers; release additives and does not comprises tin atoms. Calendered films or sheets can be used in a wide range of applications including packaging, pool liners, graphic arts, transaction cards, security cards and others.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: September 20, 2022
    Assignee: Eastman Chemical Company
    Inventors: Marc Alan Strand, Robert Erik Young, James Thomas Goetz, Douglas Weldon Carico, Jr.
  • Patent number: 11091586
    Abstract: Described as one aspect of the invention are polyester compositions including at least one polyester which comprises: (a) a dicarboxylic acid component comprising about 90 to about 100 mole % of terephthalic acid residues; and (b) a glycol component comprising: (i) about 10 to about 27 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 73 to about 90 mole % ethylene glycol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; wherein the inherent viscosity of the polyester is from 0.50 to 0.8 dL/g; and wherein the L* color values for the polyester is 90 or greater. The polyesters may be manufactured into articles.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: August 17, 2021
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, Jr.
  • Patent number: 11072684
    Abstract: Described as one aspect of the invention are polyester compositions comprising at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 90 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 10 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 30 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 58 to about 70 mole % ethylene glycol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; wherein the inherent viscosity of the polyester is from 0.50 to 0.70 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.25 g/50 ml at 25° C.; and wherein the L* color values for the polyester is 90 or greater. The polyesters may be manufactured into articles.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: July 27, 2021
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, Jr.
  • Publication number: 20200165379
    Abstract: Described as one aspect of the invention are polyester compositions comprising at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 90 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 10 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 30 to about 42 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 58 to about 70 mole % ethylene glycol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; wherein the inherent viscosity of the polyester is from 0.50 to 0.70 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.25 g/50 ml at 25° C.; and wherein the L* color values for the polyester is 90 or greater. The polyesters may be manufactured into articles.
    Type: Application
    Filed: August 17, 2017
    Publication date: May 28, 2020
    Applicant: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, JR.
  • Publication number: 20190211147
    Abstract: Described as one aspect of the invention are polyester compositions including at least one polyester which comprises: (a) a dicarboxylic acid component comprising about 90 to about 100 mole % of terephthalic acid residues; and (b) a glycol component comprising: (i) about 10 to about 27 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) about 73 to about 90 mole % ethylene glycol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; wherein the inherent viscosity of the polyester is from 0.50 to 0.8 dL/g; and wherein the L* color values for the polyester is 90 or greater. The polyesters may be manufactured into articles.
    Type: Application
    Filed: August 17, 2017
    Publication date: July 11, 2019
    Applicant: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, Jr.
  • Publication number: 20190211145
    Abstract: Polyester compositions are provided which comprise tetramethylcyclobutanediol and ethylene glycol that provide superior processing characteristics for calendering and, more specifically, to polyester compositions which enable higher rates of production in calendering processes. The present disclosure further pertains to calendering processes for these polyester compositions and to the polyester film and/or sheet produced therefrom.
    Type: Application
    Filed: August 17, 2017
    Publication date: July 11, 2019
    Applicant: Eastman Chemical Company
    Inventors: Marc Alan Strand, Robert Erik Young, James Thomas Goetz, Douglas Weldon Carico, JR.
  • Patent number: 7915374
    Abstract: Processes for producing polyethylene terephthalate copolyesters are disclosed, that include the steps of: esterifying a mixture of at least terephthalic acid, from 20 mole percent to 45 mole percent 1,4-cyclohexanedimethanol, and ethylene glycol, optionally in the presence of one or more alkaline earth metals or alkali metals, to form an oligomer; polycondensing the oligomer in the melt phase in the presence of aluminum and one or more alkaline earth metals or alkali metals, to obtain a copolyester having an intrinsic viscosity of at least 0.5 dL/g; and thereafter adding to the copolyester a phosphorus-containing compound.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: March 29, 2011
    Assignee: Eastman Chemical Company
    Inventors: Jason Christopher Jenkins, Gary Wayne Connell, Howard Smith Carman, Jr., Douglas Weldon Carico, Jr., Jimmy Ray Trotter, Alan Wayne White, Mary Therese Jernigan, Rodney Scott Armentrout
  • Publication number: 20100273956
    Abstract: Processes for producing polyethylene terephthalate copolyesters are disclosed, that include the steps of: esterifying a mixture of at least terephthalic acid, from 20 mole percent to 45 mole percent 1,4-cyclohexanedimethanol, and ethylene glycol, optionally in the presence of one or more alkaline earth metals or alkali metals, to form an oligomer; polycondensing the oligomer in the melt phase in the presence of aluminum and one or more alkaline earth metals or alkali metals, to obtain a copolyester having an intrinsic viscosity of at least 0.5 dL/g; and thereafter adding to the copolyester a phosphorus-containing compound.
    Type: Application
    Filed: April 27, 2009
    Publication date: October 28, 2010
    Applicant: Eastman Chemical Company
    Inventors: Jason Christopher Jenkins, Gary Wayne Connell, Howard Smith Carman, JR., Douglas Weldon Carico, JR., Jimmy Ray Trotter, Alan Wayne White, Mary Therese Jernigan, Rodney Scott Armentrout
  • Patent number: 6417269
    Abstract: The invention pertains to methods for preparing modified condensation polymers wherein the steps include: preparing a polymer colloid system comprising a first polymer dispersed in a liquid continuous phase; introducing the polymer colloid system into a condensation reaction medium prior to or during the condensation reaction, wherein the condensation reaction medium comprises (1) a diacid, di-isocyanate, dialkyl carbonate, diaryl carbonate, dihalo carbonate or a mixture thereof, wherein the condensation reaction medium optionally comprises a diol component; and polymerizing the diol component and component (1), thereby forming a modified condensation polymer.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: July 9, 2002
    Assignee: Eastman Chemical Company
    Inventors: David Logan Murray, Allan Scott Jones, Douglas Weldon Carico, Jr., Sara Stanley Wells
  • Patent number: 6417239
    Abstract: The invention pertains to methods for preparing modified condensation polymers wherein the steps include: (a) preparing a polymer colloid system comprising a first polymer dispersed in a liquid continuous phase; (b) introducing the polymer colloid system into a glycolysis reaction medium prior to or during a glycolysis reaction wherein the glycolysis reaction medium comprises a polyester, copolyester, polyesteramide, polycarbonate or a mixture thereof; wherein the glycolysis reaction medium optionally comprises a diol component; and polymerizing the fully or partially glycolyzed polyester, copolyester, polyesteramide, polycarbonate or mixture thereof, thereby providing a condensation polymer/first polymer matrix.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: July 9, 2002
    Assignee: Eastman Chemical Company
    Inventors: David Logan Murray, Allan Scott Jones, Wesley R. Hale, William R. Darnell, Douglas Weldon Carico, Jr., Sara Stanley Wells
  • Patent number: 6197878
    Abstract: In a first aspect, the invention provides a diol latex composition comprising: (a) latex polymer particles comprising a residue of an ethylenically unsaturated monomer, wherein the latex polymer particles have a size below 1000 mn; (b) a surfactant; and (c) a continuous liquid phase comprising a diol component, wherein the diol component comprises from 60 to 100% by weight of the continuous phase, wherein the latex polymer particles are dispersed in the continuous phase.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: March 6, 2001
    Assignee: Eastman Chemical Company
    Inventors: David Logan Murray, Allan Scott Jones, Douglas Weldon Carico, Jr.