Patents by Inventor Emmett Dudley Crawford

Emmett Dudley Crawford 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: 20130217830
    Abstract: The present invention relates to a clear, semicrystalline article comprising a polyester comprising terephthalic acid residues as the dicarboxylic acid component, and 1 to 15 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and 85 to 99 mole % of 1,4-cyclohexanedimethanol residues as the glycol component. The article may be in the form of a film or sheet, a bottle, or a fiber. The article, when produced by a process involving strain-induced crystallization, is characterized with high crystallinity.
    Type: Application
    Filed: February 16, 2012
    Publication date: August 22, 2013
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Emmett Dudley Crawford, Michael Eugene Donelson
  • Patent number: 8507638
    Abstract: Described are polyesters comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and cyclohexanedimethanol residues. The polyesters have a desirable combination of inherent viscosity and glass transition temperature (“Tg”). The polyesters can have an inherent viscosity from 0.35 to 1.2 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C. and a Tg of 85 to 115° C. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: August 13, 2013
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephen McWilliams, David Scott Porter, Gary Wayne Connell, Ted Calvin Germroth, Benjamin Fredrick Barton, Damon Bryan Shackelford
  • Patent number: 8415450
    Abstract: Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues, 2,2,4,4-tetramethyl-l,3-cyclobutanediol, and 1,4-cyclohexanedimethanol, wherein the inherent viscosity of said polyester is from 0.55 to 0.68 dL/g as determined in 60/40(wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C.; wherein said polyester has a Tg from 110 to 160° C.; wherein the polyester composition comprises no polycarbonate; wherein the melt viscosity of the polyester is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C.; and wherein the polyester has a notched Izod impact strength, of at least 7.5 ft-lb/in.ch at 23° C. according to ASTM D256 with a 10-mil notch in a ? inch thick bar. The polyesters may be manufactured into articles of manufacture as fibers, films, bottles or sheets.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: April 9, 2013
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Publication number: 20130059957
    Abstract: One aspect of the invention is polyester compositions containing: (I) at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) 70 to 100 mole % of terephthalic acid residues; (ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms; and (iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and (b) a glycol component comprising: (i) 1 to 99 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) 1 to 99 mole % of cyclohexanedimethanol residues; and (II) at least one thermal stabilizer chosen from at least one of alkyl phosphate esters, aryl phosphate esters, mixed alkyl aryl phosphate esters, reaction products thereof, and mixtures thereof; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %.
    Type: Application
    Filed: August 28, 2012
    Publication date: March 7, 2013
    Applicant: Eastman Chemical Company
    Inventors: Ted Calvin Germroth, Gary Wayne Connell, Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, Benjamin Fredrick Barton, Damon Bryan Shackelford
  • Patent number: 8354491
    Abstract: Described are container(s) comprising polyesters comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; and (b) a glycol component comprising 15 to 50 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and 50 to 85 mole % 1,4-cyclohexanedimethanol residues; wherein the total mole % of said dicarboxylic acid component is 100 mole %, and the total mole % of said glycol component is 100 mole %; wherein the inherent viscosity of the polyester is from 0.50 to 0.75 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C.; wherein said polyester has a notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a 1/8-inch thick bar; and wherein the melt viscosity of said polyester is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: January 15, 2013
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, David Scott Porter, Gary Wayne Connell, Michael James Keegan
  • Patent number: 8299204
    Abstract: Described as one aspect of the invention are polyester compositions containing: (I) at least one polyester which comprises: (a) dicarboxylic acid component comprising: (i) 70 to 100 mole % of terephthalic acid residues; (ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbons atoms; and (iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and (b) a glycol component comprising: (i) 1 to 99 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) 1 to 99 mole % of cyclohexanedimethanol residues; and (II) at least one thermal stabilizer chosen from at least one alkyl phosphate esters, aryl phosphate esters, mixed alkyl aryl phosphate esters, reaction products thereof, and mixtures thereof; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: October 30, 2012
    Assignee: Eastman Chemical Company
    Inventors: Ted Calvin Germroth, Gary Wayne Connell, Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephen McWilliams, Benjamin Fredrick Barton, Damon Bryan Shackelford
  • Patent number: 8193302
    Abstract: Described as one aspect of the invention are polyester compositions containing: (I) at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) 70 to 100 mole % of terephthalic acid residues; (ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms; and (iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and (b) a glycol component comprising: (i) 1 to 99 mole % of 2,2,4,4-tetramethyl-1,3 -cyclobutanediol residues; and (ii) 1 to 99 mole % of cyclohexanedimethanol residues; and (II) at least one thermal stabilizer chosen from at least one of alkyl phosphate esters, aryl phosphate esters, mixed alkyl aryl phosphate esters, reaction products thereof, and mixtures thereof; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: June 5, 2012
    Assignee: Eastman Chemical Company
    Inventors: Ted Calvin Germroth, Gary Wayne Connell, Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, Benjamin Fredrick Barton, Damon Bryan Shackelford
  • Publication number: 20120108715
    Abstract: Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and 1,4-cyclohexanedimethanol, wherein the inherent viscosity and the Tg of the polyester provides for certain polyester properties. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.
    Type: Application
    Filed: January 12, 2012
    Publication date: May 3, 2012
    Applicant: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Patent number: 8133967
    Abstract: Described are restaurant smallware, comprising polyester based composition, comprising dicarboxylic acid component as terephthalic acid residues and optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues and glycol component, comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and cyclohexanedimethanol residues. The polyester composition has the inherent viscosity from 0.55 to 0.0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C., glass transition temperature Tg of 110° C. to 160° C., notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a ?-inch thick bar, melt viscosity is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C. and does not contain polycarbonate.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: March 13, 2012
    Assignee: Eastman Chemical Company
    Inventors: Thomas Joseph Pecorini, Douglas Stephens McWilliams, Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
  • Patent number: 8119761
    Abstract: Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues in the amount from 80 to 100 mole %, 2,2,4,4-tetramethyl-1,3- cyclobutanediol in the preferable amount from 30 to 40 mole % and 1,4-cyclohexanedimethanol in the preferable amount from 60 to 70 mole % , wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mote %; and the inherent viscosity of polyester is from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachtoroethane at a concentration of 0.5 g/100 ml at 25° C., polyester has a Tg from 110 to 160° C. and polyester composition comprises no polycarbonate. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: February 21, 2012
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Patent number: 8119762
    Abstract: Described are film or sheet, comprising polyester based composition, comprising dicarboxylic acid component as terephthalic acid residues and optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues and glycol component, comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and cyclohexanedimethanol residues. The polyester composition has the inherent viscosity from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C., glass transition temperature Tg of 110° C. to 160° C., notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a ?-inch thick bar, melt viscosity is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C. and does not contain polycarbonate.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: February 21, 2012
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Publication number: 20120021158
    Abstract: Described are polyester compositions comprising (a) a dicarboxylicacidcomponent comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, wherein said 2,2,4,4-tetramethyl-1,3-cyclobutanediol contains certain cis to trans ratios; and 1,4-cyclohexanedimethanol residues.
    Type: Application
    Filed: June 17, 2011
    Publication date: January 26, 2012
    Applicant: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
  • Patent number: 8101705
    Abstract: Described are articles, comprising polyester based composition, comprising dicarboxylic acid component as terephthalic acid residues and optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues and glycol component, comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and cyclohexanedimethanol residues. The polyester composition has the inherent viscosity from 0.60 to 0.75 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C., glass transition temperature Tg of 100° C. to 130° C., notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a ?-inch thick bar, melt viscosity is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C. and does not contain polycarbonate. Composition can be manufactured into articles as fibers, films, bottles or sheets.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: January 24, 2012
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephen McWilliams, David Scott Porter, Gary Wayne Connell
  • Publication number: 20110306730
    Abstract: Described are polyesters comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and cyclohexanedimethanol residues. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.
    Type: Application
    Filed: August 23, 2011
    Publication date: December 15, 2011
    Applicant: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Patent number: 8067525
    Abstract: Described are film(s) and/or sheet(s) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: November 29, 2011
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Patent number: 8063172
    Abstract: Described are film(s) and/or sheet(s) made using polyester compositions comprising polyesters comprising (a) a dicarboxylic acid component comprising 70 to 100 mole % of terephthalic acid residues, and up to 30 mole % of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and 1,4-cyclohexanedimethanol residues.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: November 22, 2011
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Patent number: 8063173
    Abstract: Described as one aspect of the invention are polyesters containing (a) a dicarboxylic acid component having from 70 to 100 mole % of terephthalic acid residues and up to 30 mole % of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component having from 11 to 25 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and 75 to 89 mole % of 1,4-cyclohexanedimethanol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %. The polyesters may be manufactured into articles.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: November 22, 2011
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Publication number: 20110189415
    Abstract: Described are graphic art films comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylicacidcomponent having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.
    Type: Application
    Filed: January 31, 2011
    Publication date: August 4, 2011
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
  • Patent number: 7985827
    Abstract: Described are polyester compositions comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, wherein said 2,2,4,4-tetramethyl-1,3-cyclobutanediol contains certain cis to trans ratios; and 1,4-cyclohexanedimethanol residues.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: July 26, 2011
    Assignee: Eastman Chemical Company
    Inventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
  • Publication number: 20110146022
    Abstract: Described are container(s) comprising polyesters comprising (a) a dicarboxylicacidcomponent comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.
    Type: Application
    Filed: January 28, 2011
    Publication date: June 23, 2011
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, David Scott Porter, Gary Wayne Connell, Michael James Keegan