Patents by Inventor Douglas Weldon Carico
Douglas Weldon Carico 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: 11655309Abstract: A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ?E value of less than 25; or an L* color of at least 85.Type: GrantFiled: November 9, 2017Date of Patent: May 23, 2023Assignee: Eastman Chemical CompanyInventors: Wenlai Feng, Haining An, Michael Eugene Donelson, Thomas Joseph Pecorini, Robert Ellis McCrary, Douglas Weldon Carico, Spencer Allen Gilliam
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Polyester compositions which comprise tetramethylcyclobutanediol and ethylene glycol for calendering
Patent number: 11447601Abstract: 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: GrantFiled: August 17, 2017Date of Patent: September 20, 2022Assignee: Eastman Chemical CompanyInventors: Marc Alan Strand, Robert Erik Young, James Thomas Goetz, Douglas Weldon Carico, Jr. -
Publication number: 20220195149Abstract: Provided is an optically clear protective cover plate for Human Machine Interface (HMI) touch panel displays wherein the cover plate is formed from a cellulose ester composition comprising a cellulose ester having a low hydroxyl content with a total degree of substitution (DS) in the range from 2.85 to 3.Type: ApplicationFiled: March 25, 2020Publication date: June 23, 2022Applicant: Eastman Chemical CompanyInventors: Marcus David Shelby, Laura Bauerle Weaver, Thomas Joseph Pecorini, Michael Gage Armstrong, Douglas Weldon Carico, James Collins Maine
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Publication number: 20220186021Abstract: Described are polymer compositions that include a blend of recycled poly(ethylene terephthalate) (rPET) and a copolyester based on monomers that include on terephthalic acid (TPA), ethylene glycol (EG) and 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD), wherein the blend has improved engineering properties compared to the rPET material.Type: ApplicationFiled: May 6, 2020Publication date: June 16, 2022Applicant: Eastman Chemical CompanyInventors: Katherine Augusta Hofmann, John Thomas Hofmann, Douglas Weldon Carico
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Publication number: 20220163697Abstract: Provided is an optically clear protective cover plate for Human Machine Interface (HMI) touch panel displays wherein the cover plate is formed from a thermoplastic polymer comprising a high melt flow polycarbonate. The polycarbonate is characterized by a melt flow rate (MFR), or melt flow index (MFI), of between about 60 and about 80 g/10 min (ASTM D-1238, 300?C/1.2 kg).Type: ApplicationFiled: March 25, 2020Publication date: May 26, 2022Applicant: Eastman Chemical CompanyInventors: Marcus David Shelby, Robert E. McCrary, Thomas Joseph Pecorini, Michael Gage Armstrong, Douglas Weldon Carico, Michael Eugene Donelson
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Patent number: 11091586Abstract: 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: GrantFiled: August 17, 2017Date of Patent: August 17, 2021Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, Jr.
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Patent number: 11072684Abstract: 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: GrantFiled: August 17, 2017Date of Patent: July 27, 2021Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, Jr.
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Patent number: 10919984Abstract: An injection molded article comprising a thin-walled body portion formed from a polymer-based resin derived from cellulose, wherein the thin-walled body portion comprises: i. a gate position; ii. a last fill position; iii. a flow length to wall thickness ratio greater than or equal to 100, wherein the flow length is measured from the gate position to the last fill position; and iv. a wall thickness less than or equal to about 2 mm; and wherein the polymer-based resin has an HDT or at least 95° C., a bio-derived content of at least 20 wt %, and a spiral flow length of at least 3.0 cm, when the polymer-based resin is molded with a spiral flow mold with the conditions of a barrel temperature of 238° C., a melt temperature of 246° C., a molding pressure of 13.8 MPa, a mold thickness of 0.8 mm, and a mold width of 12.7 mm.Type: GrantFiled: November 9, 2017Date of Patent: February 16, 2021Assignee: Eastman Chemical CompanyInventors: Wenlai Feng, Haining An, Michael Eugene Donelson, Thomas Joseph Pecorini, Robert Ellis McCrary, Douglas Weldon Carico, Spencer Allen Gilliam
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Publication number: 20200165379Abstract: 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: ApplicationFiled: August 17, 2017Publication date: May 28, 2020Applicant: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, JR.
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Publication number: 20190359793Abstract: An injection molded article comprising a thin-walled body portion formed from a polymer-based resin derived from cellulose, wherein the thin-walled body portion comprises: i. a gate position; ii. a last fill position; iii. a flow length to wall thickness ratio greater than or equal to 100, wherein the flow length is measured from the gate position to the last fill position; and iv. a wall thickness less than or equal to about 2 mm; and wherein the polymer-based resin has an HDT or at least 95° C., a bio-derived content of at least 20 wt %, and a spiral flow length of at least 3.0 cm, when the polymer-based resin is molded with a spiral flow mold with the conditions of a barrel temperature of 238° C., a melt temperature of 246° C., a molding pressure of 13.8 MPa, a mold thickness of 0.8 mm, and a mold width of 12.7 mm.Type: ApplicationFiled: November 9, 2017Publication date: November 28, 2019Applicant: Eastman Chemical CompanyInventors: Wenlai Feng, Haining An, Michael Eugene Donelson, Thomas Joseph Pecorini, Robert Ellis McCrary, Douglas Weldon Carico, Spencer Allen Gilliam
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Publication number: 20190345313Abstract: A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ?E value of less than 25; or an L* color of at least 85.Type: ApplicationFiled: November 9, 2017Publication date: November 14, 2019Applicant: Eastman Chemical CompanyInventors: Wenlai Feng, Haining An, Michael Eugene Donelson, Thomas Joseph Pecorini, Robert Ellis McCrary, Douglas Weldon Carico, Spencer Allen Gilliam
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POLYESTER COMPOSITIONS WHICH COMPRISE TETRAMETHYLCYCLOBUTANEDIOL AND ETHYLENE GLYCOL FOR CALENDERING
Publication number: 20190211145Abstract: 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: ApplicationFiled: August 17, 2017Publication date: July 11, 2019Applicant: Eastman Chemical CompanyInventors: Marc Alan Strand, Robert Erik Young, James Thomas Goetz, Douglas Weldon Carico, JR. -
Publication number: 20190211147Abstract: 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: ApplicationFiled: August 17, 2017Publication date: July 11, 2019Applicant: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, James Thomas Goetz, Michael Keith Coggins, Douglas Weldon Carico, Jr.
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Patent number: 7915374Abstract: 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: GrantFiled: April 27, 2009Date of Patent: March 29, 2011Assignee: Eastman Chemical CompanyInventors: 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
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Publication number: 20100273956Abstract: 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: ApplicationFiled: April 27, 2009Publication date: October 28, 2010Applicant: Eastman Chemical CompanyInventors: 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
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Patent number: 6417269Abstract: 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: GrantFiled: July 17, 2000Date of Patent: July 9, 2002Assignee: Eastman Chemical CompanyInventors: David Logan Murray, Allan Scott Jones, Douglas Weldon Carico, Jr., Sara Stanley Wells
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Patent number: 6417239Abstract: 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: GrantFiled: July 17, 2000Date of Patent: July 9, 2002Assignee: Eastman Chemical CompanyInventors: David Logan Murray, Allan Scott Jones, Wesley R. Hale, William R. Darnell, Douglas Weldon Carico, Jr., Sara Stanley Wells
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Patent number: 6197878Abstract: 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: GrantFiled: March 3, 1999Date of Patent: March 6, 2001Assignee: Eastman Chemical CompanyInventors: David Logan Murray, Allan Scott Jones, Douglas Weldon Carico, Jr.