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Multilayer coextrusion process for producing selective reflectivity 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29F-003/06
출원번호 US-0720481 (1976-09-03)
발명자 / 주소
  • Alfrey
  • Jr.
  • Turner
  • Schrenk
  • Walter J.
출원인 / 주소
  • The Dow Chemical Company
인용정보 피인용 횟수 : 48  인용 특허 : 0

초록

Multilayer film or sheet prepared by coextrusion is extruded wherein the thickness of the inner layers is varied by varying the flow of one component to the central portion of the sheet while diverting that portion to an external portion of the sheet or film.

대표청구항

대표청구항이 없습니다.

이 특허를 인용한 특허 (48)

  1. Wortman, David L.; Cobb, Jr., Sanford; Cull, Brian D.; Weber, Michael F.; Ouderkirk, Andrew J., Backlight system with multilayer optical film reflector.
  2. Schrenk, Walter J.; Chang, Victor S.; Wheatley, John A., Birefringent interference polarization.
  3. Weber,Michael F.; Benson, Jr.,Olester; Cobb, Jr.,Sanford; Jonza,James M.; Ouderkirk,Andrew J.; Wortman,David L.; Stover,Carl A., Brightness enhancing reflective polarizer.
  4. Smith Roger A. (Kennett Square PA) Withers Michael S. (Landenberg PA), Coextruded multilayer cation exchange membranes.
  5. Ramanathan Ravi (Midland MI) Schrenk Walter J. (Midland MI) Wheatley John A. (Midland MI), Coextrusion of multilayer articles using protective boundary layers and apparatus therefor.
  6. Cobb ; Jr. Sanford ; Cull Brian D. ; Ouderkirk Andrew J. ; Weber Michael F. ; Wortman David L., Diffuse reflectors.
  7. Cobb ; Jr. Sanford ; Cull Brian D. ; Ouderkirk Andrew J. ; Weber Michael F. ; Wortman David L., Diffusely reflecting multilayer polarizers and mirrors.
  8. Weber,Michael F.; Benson, Jr.,Olester; Cobb, Jr.,Sanford; Jonza,James M.; Ouderkirk,Andrew J.; Wortman,David L.; Stover,Carl A., Display having a reflective polarizer.
  9. Ouderkirk, Andrew J.; Benson, Jr., Olester; Weber, Michael F.; Stover, Carl A.; Wortman, David I.; Cobb, Jr., Sanford, Display incorporating reflective polarizer.
  10. Weber Michael F. ; Benson ; Jr. Olester ; Cobb ; Jr. Sanford ; Jonza James M. ; Ouderkirk Andrew J. ; Wortman David L. ; Stover Carl A., Display with reflective polarizer and randomizing cavity.
  11. Benson ; Jr. Olester, Electroluminescent lamp using multilayer optical film.
  12. Ouderkirk, Andrew J.; Weber, Michael F.; Benson, Jr., Olester, Electroluminescent light source and display incorporating same.
  13. Ouderkirk,Andrew J.; Weber,Michael F.; Benson, Jr.,Olester, Electroluminescent light source and display incorporating same.
  14. Krumm Klemens (Neunkirchen-Seelscheid DEX), Extrusion die for multilayer foils or plates of thermoplastic synthetic resin.
  15. Ouderkirk, Andrew J.; Weber, Michael F.; Cobb, Jr., Sanford; Wortman, David L., High efficiency optical devices.
  16. Ouderkirk, Andrew J.; Weber, Michael F.; Cobb, Jr., Sanford; Wortman, David L., High efficiency optical devices.
  17. Ouderkirk,Andrew J.; Weber,Michael F.; Cobb, Jr.,Sanford; Wortman,David L., High efficiency optical devices.
  18. Weber Michael F. ; Wortman David L. ; Ouderkirk Andrew J. ; Cobb ; Jr. Sanford, High efficiency optical devices.
  19. Weber Michael F. ; Wortman David L. ; Ouderkirk Andrew J. ; Cobb ; Jr. Sanford, High efficiency optical devices.
  20. Weber, Michael F.; Wortman, David L.; Ouderkirk, Andrew J.; Cobb, Jr., Sanford, High efficiency optical devices.
  21. Allen Richard C. ; Hietpas Gregg A. ; Stickrod Jon E. ; Wheatley John A, Infrared selective reflective polarizing element.
  22. Goetz Richard J. ; Ouderkirk Andrew J., Light diffusing adhesive.
  23. Andrew J. Ouderkirk, Light fixture having a multilayer polymeric film.
  24. Ouderkirk, Andrew J.; Weber, Michael F., Light fixture having a multilayer polymeric film.
  25. Wortman David L. ; Gardiner Mark E. ; Ouderkirk Andrew J. ; Jonza James M. ; Weber Michael F., Light fixture having a multilayer polymeric film.
  26. Lorne A. Whitehead CA, Light guide employing multilayer optical film.
  27. Willett Stephen J. ; Weber Michael F. ; Ouderkirk Andrew J. ; Jonza James M., Liquid crystal display projection system using multilayer optical film polarizers.
  28. Gilbert Laurence R. ; Ouderkirk Andrew J., Metal-coated multilayer mirror.
  29. Weber Michael F. ; Stover Carl A. ; Merrill William W. ; Ouderkirk Andrew J., Method for making multilayer optical films having thin optical layers.
  30. Koch Paul E. (Chagrin Falls OH) Bond Thomas J. (Chardon OH) Adams Richard C. (Chardon OH), Method of coextruding diverse materials.
  31. Simons Phillip R. (Welwyn Garden City GB2), Method of making laminates of thermoplastic polymers by a single-channel coextrusion process and melt injector block for.
  32. Fernandes Jorge, Multi-functional photometer with movable linkage for routing light-transmitting paths using reflective surfaces.
  33. Jonza, James M.; Lorimor, Lynn E.; Venkataramani, Shivshankar, Multilayer polymer film with additional coatings or layers.
  34. Laurence R. Gilbert ; James M. Jonza ; Andrew J. Ouderkirk ; Carl A. Stover ; Michael F. Weber ; William W. Merrill, Multilayer polymer film with additional coatings or layers.
  35. Laurence R. Gilbert ; James M. Jonza ; Andrew J. Ouderkirk ; Carl A. Stover ; Michael F. Weber ; William W. Merrill, Multilayer polymer film with additional coatings or layers.
  36. Hahn Granville J. (Big Spring TX) Rutledge Raleigh N. (Big Spring TX) Murley Jackie D. (Big Spring TX), Multiple-layered sheeting apparatus.
  37. Hahn Granville J. (Big Spring TX) Rutledge Raleigh N. (Big Spring TX), Multiple-layered sheeting apparatus and process therefor.
  38. Jonza James M. ; Weber Michael F. ; Ouderkirk Andrew J. ; Stover Carl A., Optical film.
  39. Jonza, James M.; Weber, Michael F.; Ouderkirk, Andrew J.; Stover, Carl A., Optical film.
  40. Jonza,James M.; Weber,Michael F.; Ouderkirk,Andrew J.; Stover,Carl A., Optical film.
  41. Jonza,James M.; Weber,Michael F.; Ouderkirk,Andrew J.; Stover,Carl A., Optical film.
  42. Weber Michael F. (Shoreview MN) Ouderkirk Andrew J. (Woodbury MN) Aastuen David J. W. (Farmington MN), Optical panel capable of switching between reflective and transmissive states.
  43. Ouderkirk Andrew J. ; Weber Michael F. ; Jonza James M. ; Stover Carl A., Optical polarizer.
  44. Weber, Michael F.; Benson, Jr., Olester; Cobb, Jr., Sanford; Jonza, James M.; Ouderkirk, Andrew J.; Wortman, David L.; Stover, Carl A., Reflective polarizer having improved properties and optical display with improved reflective polarizer.
  45. Ouderkirk Andrew J. ; Cobb ; Jr. Sanford ; Cull Brian D. ; Weber Michael F. ; Wortman David L., Transflective displays with reflective polarizing transflector.
  46. Ouderkirk Andrew J. ; Cobb ; Jr. Sanford ; Cull Brian D. ; Weber Michael F. ; Wortman David L., Transflective displays with reflective polarizing transflector.
  47. Ouderkirk, Andrew J.; Cobb, Jr., Sanford; Cull, Brian D.; Weber, Michael F.; Wortman, David L., Transflective displays with reflective polarizing transflector.
  48. Ouderkirk, Andrew J.; Gilbert, Laurence R.; Dahlen, Richard R.; Weber, Michael F., Transparent multilayer device.
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