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특허 상세정보

Method of preparing modified polyester bottle resins

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08G-063/00   
미국특허분류(USC) 528/308.6 ; 528/272 ; 528/298 ; 528/301 ; 528/302 ; 528/307 ; 528/308 ; 528/503 ; 428/035.7 ; 428/036.92
출원번호 US-0456253 (1999-12-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Summa & Allan, P.A.
인용정보 피인용 횟수 : 25  인용 특허 : 19
초록

The present invention is a method of preparing a high molecular weight copolyester bottle resin that has excellent melt processing characteristics. The method includes the steps of reacting a diacid or diester component and a diol component to form modified polyethylene terephthalate, wherein diol component is present in excess of stoichiometric proportions. Together, the diacid or diester component and the diol component must include at least 7 percent comonomer. The remainder of the diacid component is terephthalic acid or dimethyl terephthalate and th...

대표
청구항

[ That which is claimed is:] [1.]1. A method of preparing a high molecular weight copolyester bottle resin that has excellent melt processing characteristics, comprising:reacting a terephthalate component and a diol component to form a modified polyethylene terephthalate, whereinthe terephthalate component includes at least about 4 mole percent diacid or diester comonomer with the remainder being terephthalic acid or dimethyl terephthalate, andthe diol component is present in excess of stoichiometric proportions and includes at least about 2 mole percent...

이 특허에 인용된 특허 (19)

  1. Stouffer Jan M. (Hockessin DE) Blanchard Elwood N. (Wilmington DE) Leffew Kenneth W. (Kennett Square PA). Apparatus for forming crystalline polymer pellets. USP1997055633018.
  2. Yamamoto Kazuhito (Kuga-gun JPX) Niimi Hiroji (Kuga-gun JPX) Yamamoto Yoji (Kuga-gun JPX) Hatabu Susumu (Kuga-gun JPX). Blow molded articles. USP1996095556675.
  3. Yamamoto Kazuhito (Kuga-gun JPX) Niimi Hiroji (Kuga-gun JPX) Yamamoto Yoji (Kuga-gun JPX) Hatabu Susumu (Kuga-gun JPX). Blow molded articles. USP1996115571584.
  4. Beavers Randy S. (Kingsport TN) Carman Karen L. (Morristown TN) Cassell Michael L. (Kingsport TN) Knight Joseph F. (Kingsport TN) Mercer James W. (Kingsport TN). Branched copolyesters especially suitable for extrusion blow molding. USP1996065523382.
  5. Umeda Masami,JPX ; Sato Kimihiko,JPX. Container formed from copolyester composition, copolyester composition therefor and method of producing the same. USP1998125851612.
  6. Collette Wayne N. ; Schmidt Steven L. ; Krishnakumar Suppayan M.. Method of forming multi-layer preform and container with low crystallizing interior layer. USP1998035728347.
  7. Collette Wayne N. ; Schmidt Steven L. ; Krishnakumar Suppayan M.. Method of forming multilayer preform and container with low crystallizing interior layer. USP1998065759656.
  8. Brent ; Jr. James W. (Munroe Falls OH) Shelley Lawrence E. (Akron OH). Preparation of high molecular weight polyester. USP1981034254253.
  9. Stouffer Jan M. ; Blanchard Elwood Neal ; Leffew Kenneth Wayne. Process for forming crystalline polymer pellets. USP1998045744074.
  10. Stouffer Jan M. (Hockessin DE) Blanchard Elwood N. (Wilmington DE) Leffew Kenneth W. (Kennett Square PA). Process for pellet formation from amorphous polyester. USP1996075540868.
  11. Stouffer Jan M. ; Blanchard Elwood Neal ; Leffew Kenneth Wayne. Production of poly (ethylene terephthalate). USP1998115830982.
  12. Stouffer Jan M. (Hockessin DE) Blanchard Elwood N. (Wilmington DE) Leffew Kenneth W. (Kennett Square PA). Production of poly(ethylene terephthalate). USP1996045510454.
  13. Stouffer Jan M. (Hockessin DE) Blanchard Elwood N. (Wilmington DE) Leffew Kenneth W. (Kennett Square PA). Production of poly(ethylene terephthalate). USP1996075532333.
  14. Stouffer Jan M. ; Blanchard Elwood Neal ; Leffew Kenneth Wayne. Production of poly(ethylene terephthalate). USP1998025714262.
  15. Rinehart Verne R. (Bath OH). Solid state polymerization of polyester prepolymer. USP1979084165420.
  16. Rinehart Verne R. (Bath OH). Solid state polymerization of polyester prepolymers. USP1988074755587.
  17. Rinehart Verne R. (McArthur OH). Solid state polymerization of polyester prepolymers. USP1989104876326.
  18. Scannapieco Steven N. (Cuyahoga Falls OH). Solid state polymerization of porous pills made by compacting polyester prepolymers. USP1989074849497.
  19. Scannapieco Steven N. (Cuyahoga Falls OH). Solid state polymerization of porous pills made by compacting polyester prepolymers. USP1990124977196.

이 특허를 인용한 특허 피인용횟수: 25

  1. Griffith, Sharon Sue; Moore, Tony Clifford; Schiavone, Robert Joseph. Alumina-enhanced polyester resins and methods for making the same. USP2012128338505.
  2. Nichols, Carl Steven; Moore, Tony Clifford; Huenefeld, Daniel Allen. Composite solid phase polymerization catalyst. USP2010077763701.
  3. Herling, Nicholas; Heinke, Marc. Container for liquids. USP2017069681771.
  4. Herling, Nicholas; Heinke, Marc. Container for liquids and set for making the same. USP2016129516974.
  5. Shi, Yu. Low IV pet based copolymer preform with enhanced mechanical properties and cycle time, container made therewith and methods. USP2009087572493.
  6. Hanimann, Kurt; Stibal, Werner. Method and device for producing polyester granules and/or shaped parts with a low acetaldehyde content. USP2013068470220.
  7. Rudiger Fredl DE. Method for recycling pet flakes. USP2002086436322.
  8. Nichols, Carl S.; Moore, Tony Clifford. Methods for introducing additives into polyethylene terephthalate. USP2010077759449.
  9. Edwards, Walter Lee; Schiavone, Robert Joseph; Nichols, Carl Steven; Moore, Tony Clifford. Methods for making polyester bottle resins having reduced frictional properties. USP2004036710158.
  10. Nichols, Carl Steven; Moore, Tony Clifford. Methods for the late introduction of additives into polyethylene terephthalate. USP2004106803082.
  11. Nichols, Carl Steven; Moore, Tony Clifford; Schiavone, Robert Joseph; Edwards, Walter Lee. Methods of post-polymerization extruder injection in condensation polymer production. USP2003076590069.
  12. Nichols, Carl Steven; Moore, Tony Clifford; Schiavone, Robert Joseph; Edwards, Walter Lee. Methods of post-polymerization extruder injection in polyethylene terephthalate production. USP2003056569991.
  13. Nichols, Carl Steven; Moore, Tony Clifford; Schiavone, Robert Joseph; Edwards, Walter Lee. Methods of post-polymerization injection in condensation polymer production. USP2003066573359.
  14. Nichols, Carl Steven; Moore, Tony Clifford. Methods of post-polymerization injection in continuous polyethylene terephthalate production. USP2003076599596.
  15. Colhoun, Frederick Leslie; Murdaugh, Sr., Perry Michael. PET polymer with improved properties. USP2017109777111.
  16. Walter Lee Edwards ; Robert Joseph Schiavone ; Carl Steven Nichols ; Tony Clifford Moore. Polyester bottle resins having reduced frictional properties and methods for making the same. USP2002126500890.
  17. Shi, Yu. Polyester composition for hot fill applications, containers made therewith, and methods. USP2009067553441.
  18. Edwards, Walter Lee; Nichols, Carl Steven; Schiavone, Robert Joseph; Griffith, Sharon Sue; Moore, Tony Clifford. Polyester resins and polyester containers having reduced frictional properties. USP2010127858731.
  19. Stafford, Steven Lee; Light, Ronald Richard; Germinario, Louis Thomas; Sharpe, Jr., Emerson Eston. Polyesters and polyester containers having a reduced coefficient of friction and improved clarity. USP2005066903154.
  20. Stafford,Steven Lee; Light,Ronald Richard; Germinario,Louis Thomas; Sharpe, Jr.,Emerson Eston. Polyesters and polyester containers having a reduced coefficient of friction and improved clarity. USP2008077399802.
  21. Edwards, Walter Lee; Schiavone, Robert Joseph. Polymer resins having reduced frictional properties. USP2004046727306.
  22. Kjorlaug, Christopher C.; Anthony, legal representative, Linda K.; Milton, legal representative, Thomas H.; Shi, Yu; Chang, Long Fei; Moore, Roger Ian. Preforms for preparing lightweight stretch blow molded PET copolymer containers and methods for making and using same. USP2010107820257.
  23. Shi, Yu; Chang, Long Fei; Moore, Roger Ian; Kjorlaug, Christopher C.; Anthony, legal representative, Linda K.; Milton, legal representative, Thomas H.. Preforms for preparing lightweight stretch blow molded pet copolymer containers and methods for making and using same. USP2012088247049.
  24. Nichols, Carl Steven; Moore, Tony Clifford; Huenefeld, Daniel Allen. Solid phase polymerization catalyst system. USP2010117829656.
  25. Nichols, Carl Steven. Titanium-nitride catalyzed polyester. USP2014078791225.