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특허 상세정보

Process for the production of optically isotropic extrusion films

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-047/90   
미국특허분류(USC) 264/2102 ; 264/2105 ; 264/280 ; 425/325
출원번호 US-0504482 (1990-04-04)
우선권정보 DE-3911218 (1989-04-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 15  인용 특허 : 0
초록

A process for the production of optically isotropic extrusion films is disclosed. Accordingly in a first process step a thermoplsatic resin is extruded to form a film having a thickness below 600 m

대표
청구항

A process for the production of optically isotropic extruded films having gloss on both sides and a thickness below 600 m150 to 400°C. and at a pressure of from 50 to 200 bar, said thermoplastic polymer being at least one member selected from the group consisting of a polycarbonate based on bis(-hydroxphenyl)-alkane and a polycarbonate based on a bis(-hydroxyphenyl)-cycloalkane.

이 특허를 인용한 특허 피인용횟수: 15

  1. Shimamoto, Yukihiro; Nishimura, Juichi. Acrylic matt thermoplastic resin films and process for producing the same. USP2013058449802.
  2. Shimamoto,Yukihiro; Nishimura,Juichi. Acrylic matt thermoplastic resin films and process for producing the same. USP2007087258911.
  3. Lilly, Kenneth Lee. Coated thermoplastic film substrate. USP2005026855415.
  4. Bourne, Robert Allan; Coyle, Dennis Joseph; Lilly, Kenneth L.; Morrow, Robert; Schenk, Brian Scott; Wildeman, Russell Wayne. Film extrusion process for producing thermoplastic film. USP2004086773649.
  5. Liu, Shu; Colon, Luis A.. Method of producing thermoplastic polycarbonate films having low optical retardation values. USP2005076913714.
  6. Shannon Donald ; McIntyre John ; Kuo Chris ; McCollam Chris ; Peterson Robert. Methods of manufacture of multiaxially oriented fluoropolymer films. USP2000086099791.
  7. Sarver, Larry D.; Diaz, Antonio A.. Non-glossing thermoformed film. USP2003056565787.
  8. Stein Alan Daniel ; Hallden-Abberton Michael Paul ; Liss Audrey Brenda ; Fields Steven David. Plastic substrates for electronic display applications. USP2001116322860.
  9. Daecher Jeffrey Lawrence ; Fields Steven David ; Khanarian Garo ; Stein Alan Daniel. Process and apparatus for forming plastic sheet. USP2001026183829.
  10. Daecher Jeffrey Lawrence ; Fields Steven David ; Yatabe Toshiaki,JPX ; Yahata Kazuo,JPX. Process and apparatus for forming plastic sheet. USP2001086270863.
  11. Fields Steven David ; Galione James Ralph. Process and apparatus for forming plastic sheet. USP2001056224805.
  12. Fields Steven David ; Khanarian Garo ; Daecher Jeffrey Lawrence ; Stein Alan Daniel. Process and apparatus for forming plastic sheet. USP2001086280808.
  13. Jeffrey Lawrence Daecher ; Steven David Fields ; Garo Khanarian ; Alan Daniel Stein. Process and apparatus for forming plastic sheet. USP2002096451403.
  14. Jeffrey Lawrence Daecher ; Steven David Fields ; Garo Khanarian ; Alan Daniel Stein. Process and apparatus for forming plastic sheet. USP2002106472031.
  15. Steven David Fields ; James Ralph Galione. Process and apparatus for forming plastic sheet. USP2002116482502.