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).
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Publication number: 20190256613Abstract: 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: ApplicationFiled: November 9, 2017Publication date: August 22, 2019Applicant: Eastman Chemical CompanyInventors: Thomas Joseph Pecorini, Michael Eugene Donelson, Gary Michael Stack, Emerson Eston Sharpe, Jr., Wenlai Feng, Haining An
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Patent number: 10000588Abstract: 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: GrantFiled: July 13, 2012Date of Patent: June 19, 2018Assignee: Eastman Chemical CompanyInventors: Martin Frederick Schick, Amy Lee Bolton, Jayme Leita, Alisa Annette Williams, Gary Michael Stack, Scott Ellery George
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Patent number: 9062197Abstract: 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: GrantFiled: March 22, 2010Date of Patent: June 23, 2015Assignee: EASTMAN CHEMICAL COMPANYInventors: Mark Allan Treece, Gary Michael Stack, Daniel Henry Bolton
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Patent number: 8586652Abstract: 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: GrantFiled: July 13, 2010Date of Patent: November 19, 2013Assignee: Eastman Chemical CompanyInventors: Alisa Annette Williams, Mark Allan Treece, Ludovic Claude Robert Gardet, Gary Michael Stack
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Publication number: 20130029167Abstract: 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: ApplicationFiled: July 13, 2012Publication date: January 31, 2013Applicant: EASTMAN CHEMICAL COMPANYInventors: Martin Frederick Schick, Amy Lee Bolton, Jayme Leita, Alisa Annette Williams, Gary Michael Stack, Scott Ellery George
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Publication number: 20120322951Abstract: 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: ApplicationFiled: June 17, 2011Publication date: December 20, 2012Applicant: Eastman Chemical CompanyInventors: Wesley Raymond Hale, Gary Michael Stack
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Publication number: 20120184668Abstract: 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: ApplicationFiled: April 29, 2011Publication date: July 19, 2012Applicant: EASTMAN CHEMICAL COMPANYInventors: Gary Michael Stack, Wesley Raymond Hale
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Publication number: 20120184687Abstract: 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: ApplicationFiled: April 29, 2011Publication date: July 19, 2012Applicant: EASTMAN CHEMICAL COMPANYInventors: Wesley Raymond Hale, Gary Michael Stack
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Patent number: 8198371Abstract: 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: GrantFiled: February 23, 2009Date of Patent: June 12, 2012Assignee: Eastman Chemical CompanyInventor: Gary Michael Stack
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Publication number: 20110086212Abstract: 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: ApplicationFiled: July 13, 2010Publication date: April 14, 2011Applicant: EASTMAN CHEMICAL COMPANYInventors: Alisa Annette Williams, Mark Allan Treece, Ludovic Claude Robert Gardet, Gary Michael Stack
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Publication number: 20100249293Abstract: 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: ApplicationFiled: March 22, 2010Publication date: September 30, 2010Applicant: Eastman Chemical CompanyInventors: Mark Allan Treece, Gary Michael Stack, Daniel Henry Bolton
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Publication number: 20100210775Abstract: 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: ApplicationFiled: January 13, 2010Publication date: August 19, 2010Applicant: Eastman Chemical CompanyInventors: Gary Michael Stack, Daniel Henry Bolton
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Publication number: 20100159176Abstract: 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: ApplicationFiled: December 16, 2009Publication date: June 24, 2010Applicant: Eastman Chemical CompanyInventors: Wesley Raymond Hale, Gary Michael Stack, Michael James Keegan, Fabio Bogni
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Publication number: 20100099828Abstract: 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: ApplicationFiled: October 21, 2008Publication date: April 22, 2010Applicant: EASTMAN CHEMICAL COMPANYInventors: Gary Michael Stack, Wesley Raymond Hale
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Publication number: 20090326141Abstract: 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: ApplicationFiled: February 23, 2009Publication date: December 31, 2009Applicant: EASTMAN CHEMICAL COMPANYInventor: Gary Michael Stack
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Patent number: 6121369Abstract: 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: GrantFiled: March 31, 1998Date of Patent: September 19, 2000Assignee: Eastman Chemical CompanyInventors: Gary Michael Stack, Theodore Roosevelt Walker, Jr.