Patents by Inventor Gary Michael Stack

Gary Michael Stack 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: 20190256613
    Abstract: A cellulose ester composition with heat distortion temperatures greater than 90° C. is provided comprising at least one cellulose ester and optionally at least one plasticizer. The cellulose ester compositions are useful for making articles such as eyeglass frames, automotive parts, and toys are also provided.
    Type: Application
    Filed: November 9, 2017
    Publication date: August 22, 2019
    Applicant: Eastman Chemical Company
    Inventors: Thomas Joseph Pecorini, Michael Eugene Donelson, Gary Michael Stack, Emerson Eston Sharpe, Jr., Wenlai Feng, Haining An
  • Patent number: 10000588
    Abstract: The present invention relates to coatings for a polymer, the coating comprising a diacrylate of an aliphatic diol, a polyacrylate of an aliphatic polyol, a photoinitiator, wherein the average molecular weight between cross-links in the coating is less than 190 g/mol. The invention further relates to articles comprising the coating and a polymer.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: June 19, 2018
    Assignee: Eastman Chemical Company
    Inventors: Martin Frederick Schick, Amy Lee Bolton, Jayme Leita, Alisa Annette Williams, Gary Michael Stack, Scott Ellery George
  • Patent number: 9062197
    Abstract: Polyester blends comprising (1) polyesters prepared from terephthalic acid, 100 to 5 mol % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and 0 to 95 mol % 1,4-cyclohexanedimethanol and (b) polyesters prepared from terephthalic acid and alkylene glycol. The blends may also contain an impact modifier and a phosphorous stabilizer. These blends can have a combination of thermal stability and toughness—making the materials useful in engineering molding plastics, packaging, films, and fibers.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: June 23, 2015
    Assignee: EASTMAN CHEMICAL COMPANY
    Inventors: Mark Allan Treece, Gary Michael Stack, Daniel Henry Bolton
  • Patent number: 8586652
    Abstract: This invention relates to certain poly(1,4-cyclohexylenedimethylene terephthalate) copolyesters which are useful for the preparation of clear and tough thick wall molded parts, produced at good cycle times. The copolyesters can be molded into desired shapes such as cosmetic jars, fragrance caps, tool handles, and toothbrushes. These molded articles can have thick or thin walls and may be molded in a two shot molding process. The copolyesters also have good flow and reduced cycle times.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: November 19, 2013
    Assignee: Eastman Chemical Company
    Inventors: Alisa Annette Williams, Mark Allan Treece, Ludovic Claude Robert Gardet, Gary Michael Stack
  • Publication number: 20130029167
    Abstract: The present invention relates to coatings for a polymer, the coating comprising a diacrylate of an aliphatic diol, a polyacrylate of an aliphatic polyol, a photoinitiator, wherein the average molecular weight between cross-links in the coating is less than 190 g/mol. The invention further relates to articles comprising the coating and a polymer.
    Type: Application
    Filed: July 13, 2012
    Publication date: January 31, 2013
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Martin Frederick Schick, Amy Lee Bolton, Jayme Leita, Alisa Annette Williams, Gary Michael Stack, Scott Ellery George
  • Publication number: 20120322951
    Abstract: This invention relates to a miscible polymer blend comprising: (a) an aliphatic-aromatic polyester comprising 70 to 100 mole % terephthalic acid residues; and 75 to 100 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (b) at least one aliphatic polyester comprising cyclohexanedicarboxylic acid residues; and 75 to 100 mole % cyclohexanedimethanol residues.
    Type: Application
    Filed: June 17, 2011
    Publication date: December 20, 2012
    Applicant: Eastman Chemical Company
    Inventors: Wesley Raymond Hale, Gary Michael Stack
  • Publication number: 20120184668
    Abstract: The present disclosure relates to clear polymer blends comprising an aromatic-aliphatic polyester comprising terephthalic acid, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and 1,4-cyclohexanedimethanol or ethylene glycol, an aliphatic polyester comprising 1,4 cyclohexane dicarboxylic acid and 1,4 cyclohexanedimethanol, and a polycarbonate comprising 4,4?-isopropylidenediphenol (bisphenol A). The compositions of the present disclosure have a certain combination of two or more properties of clarity, heat resistance, high glass transition temperatures, chemical resistance, toughness, miscibility, and/or good flowability, while retaining processability, which allow them to be easily formed into items, for example, molded articles, films, and fibers.
    Type: Application
    Filed: April 29, 2011
    Publication date: July 19, 2012
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Gary Michael Stack, Wesley Raymond Hale
  • Publication number: 20120184687
    Abstract: The clear blends of this invention are unique compositions of matter and are prepared by blending polyesters prepared from terephthalic acid, 40 to 5 mole % 2,2,4,4-tetramethy-1,3-cyclobutanediol and 60 to 95 mole % 1,4-cyclohexanedimethanol with a copolyestercarbonate comprising a bisphenol A diol component and 50-90 mole % isophthalic acid and 0-60 mole % terephthalic acid and 0 to 60 mole % carbonic acid. The composition of the blend includes up to about 95 weight % the copolyestercarbonate. These blends have a combination of clarity and toughness making the materials particularly useful in engineering molding plastics and packaging.
    Type: Application
    Filed: April 29, 2011
    Publication date: July 19, 2012
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Wesley Raymond Hale, Gary Michael Stack
  • Patent number: 8198371
    Abstract: Polymer blends comprising polyesters made from terephthalic acid; 2,2,4,4-tetramethyl-1,3-cyclobutanediol; and 1,4-cyclohexanedimethanol, and copolymers made from acrylonitrile, butadiene, and styrene (ABS) monomers. These blends have a combination of toughness, heat resistance, high modulus, and good flowability—making them particularly useful in films, fibers, engineering molding plastics, and packaging.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: June 12, 2012
    Assignee: Eastman Chemical Company
    Inventor: Gary Michael Stack
  • Publication number: 20110086212
    Abstract: This invention relates to certain poly(1,4-cyclohexylenedimethylene terephthalate) copolyesters which are useful for the preparation of clear and tough thick wall molded parts, produced at good cycle times. The copolyesters can be molded into desired shapes such as cosmetic jars, fragrance caps, tool handles, and toothbrushes. These molded articles can have thick or thin walls and may be molded in a two shot molding process. The copolyesters also have good flow and reduced cycle times.
    Type: Application
    Filed: July 13, 2010
    Publication date: April 14, 2011
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Alisa Annette Williams, Mark Allan Treece, Ludovic Claude Robert Gardet, Gary Michael Stack
  • Publication number: 20100249293
    Abstract: Polyester blends comprising (1) polyesters prepared from terephthalic acid, 100 to 5 mol % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and 0 to 95 mol % 1,4-cyclohexanedimethanol and (b) polyesters prepared from terephthalic acid and alkylene glycol. The blends may also contain an impact modifier and a phosphorous stabilizer. These blends can have a combination of thermal stability and toughness—making the materials useful in engineering molding plastics, packaging, films, and fibers.
    Type: Application
    Filed: March 22, 2010
    Publication date: September 30, 2010
    Applicant: Eastman Chemical Company
    Inventors: Mark Allan Treece, Gary Michael Stack, Daniel Henry Bolton
  • Publication number: 20100210775
    Abstract: Polymer compositions are disclosed that are blends of polyesters prepared from terephthalic acid, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and optionally 1,4-cyclohexanedimethanol, with a reinforcing mineral filler. The composition of the blend includes up to about 40 weight % of the mineral. These formulations have a combination of toughness, heat resistance, and high modulus making the materials particularly useful in engineering molding plastics.
    Type: Application
    Filed: January 13, 2010
    Publication date: August 19, 2010
    Applicant: Eastman Chemical Company
    Inventors: Gary Michael Stack, Daniel Henry Bolton
  • Publication number: 20100159176
    Abstract: Disclosed are miscible, polyester blends that contain at least one first polyester comprising terephthalic acid and 1,4-cyclohexanedimethanol, and at least one second polyester comprising terephthalic acid, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and 1,4-cyclohexanedimethanol. The polyester blends have good clarity, toughness, and moldability and are useful for the preparation of shaped articles. Also disclosed are shaped articles prepared from the polyester blends.
    Type: Application
    Filed: December 16, 2009
    Publication date: June 24, 2010
    Applicant: Eastman Chemical Company
    Inventors: Wesley Raymond Hale, Gary Michael Stack, Michael James Keegan, Fabio Bogni
  • Publication number: 20100099828
    Abstract: This invention relates to a polymer blend comprising: (A) 5 to 95 weight % of at least one aliphatic-aromatic copolyester which comprises: (i) a dicarboxylic acid component comprising 70 to 100 mole % terephthalic acid residues; and (ii) a glycol component comprising: (a) 15 to 50 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (b) 50 to 80 mole % of cyclohexanedimethanol 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 %; and (B) 5 to 95 weight % of at least one aliphatic polyester which comprises: (i) a dicarboxylic acid component comprising (a) 70 to 100 mole % of cyclohexanedicarboxylic acid residues; and (b) 0 to 30 mole % of additional aliphatic acid residues; (c) 0 to 10 mole % of aromatic acid residues; and (ii) a glycol component comprising cyclohexanedimethanol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole % and wherein the total mole %
    Type: Application
    Filed: October 21, 2008
    Publication date: April 22, 2010
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Gary Michael Stack, Wesley Raymond Hale
  • Publication number: 20090326141
    Abstract: Polymer blends comprising polyesters made from terephthalic acid; 2,2,4,4-tetramethyl-1,3-cyclobutanediol; and 1,4-cyclohexanedimethanol, and copolymers made from acrylonitrile, butadiene, and styrene (ABS) monomers. These blends have a combination of toughness, heat resistance, high modulus, and good flowability-making them particularly useful in films, fibers, engineering molding plastics, and packaging.
    Type: Application
    Filed: February 23, 2009
    Publication date: December 31, 2009
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventor: Gary Michael Stack
  • Patent number: 6121369
    Abstract: Disclosed are liquid crystalline polyester molding compositions which are capable of being molded into an article having a thickness of less than 1.5 mm and a flammability classification of 94V-O as determined by the UL-94 20 mm Vertical Burning Test (ASTM D 3801) which are comprised of (i) certain all-aromatic, liquid crystal polyester consisting essentially of terephthalic acid residues, 2,6-naphthalenedicarboxylic acid residues, hydroquinone residues, and p-hydroxybenzoic acid residues; and (ii) about 0.1 to 10 weight percent, based on the total weight of the liquid crystalline polyester molding composition, carbon black. These liquid crystalline polyester molding compositions also may contain glass fiber. The disclosed molding compositions are particularly useful for manufacturing circuit boards and electrical connectors for use in various electronic devices.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: September 19, 2000
    Assignee: Eastman Chemical Company
    Inventors: Gary Michael Stack, Theodore Roosevelt Walker, Jr.