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Method of making electret articles and filters with increased oily mist resistance 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-035/16
출원번호 US-0941864 (1997-10-01)
발명자 / 주소
  • Rousseau Alan D.
  • Jones Marvin E.
  • Mei Betty Z.
출원인 / 주소
  • 3M Innovative Properties Company
대리인 / 주소
    Rosenberg
인용정보 피인용 횟수 : 43  인용 특허 : 15

초록

An electret article can be made by quenching a molten blend containing a polymer and a performance-enhancing additive. The resulting low crystallinity material can be annealed and charged to produce a material for making electret filters having superior oily mist loading performance properties.

대표청구항 ▼

[ What is claimed:] [1.] A method of making an electret article, which method comprises:forming a heated, molten material comprising a blend of a polymer and a performance-enhancing additive;shaping the heated, molten material to form a shaped, heated material;quenching the shaped, heated material t

이 특허에 인용된 특허 (15)

  1. Reed John F. (Arden Hills MN) Jones Marvin E. (Stillwater MN), Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene).
    상세보기
  2. Nishiura Eiichi (Otsu JPX) Ando Katsutoshi (Otsu JPX), Electret materials and the method for preparing the electret materials.
    상세보기
  3. Matsuura Satoshi (Kuga JPX) Shinagawa Yoshio (Kuga JPX), Film electret and an electret filter.
    상세보기
  4. Crater Davis H. (P.O. Box 33427 St. Paul MN 55133-3427) Howells Richard D. (P.O. Box 33427 St. Paul MN 55133-3427) Stern Richard M. (P.O. Box 33427 St. Paul MN 55133-3427) Temperante John A. (P.O. Bo, Fluorochemical oxazolidinones.
    상세보기
  5. Crater Davis H. (White Bear Lake MN) Howells Richard D. (St. Paul MN) Stern Richard M. (Woodbury MN) Temperante John A. (St. Paul MN), Fluorochemical oxazolidinones.
    상세보기
  6. Kubik Donald A. (Houlton WI) Davis Charles I. (Cottage Grove MN), Melt-blown fibrous electrets.
    상세보기
  7. Chou Richard Tien-Hua ; Ireland Patrick Stephen ; Molnar Charles John ; Lim Hyun Sung ; Shin Hyunkook, Meltblown ionomer microfibers and non-woven webs made therefrom for gas filters.
    상세보기
  8. Klaase Petrus T. A. (Voorburg NLX) van Turnhout Jan (Pijnacker NLX), Method for manufacturing an electret filter medium.
    상세보기
  9. Krueger Dennis L. (St. Paul MN) Insley Thomas I. (St. Paul MN) Meyer Daniel E. (St. Paul MN) Rolando Richard J. (St. Paul MN), Method for preparing radiation resistant polypropylene articles.
    상세보기
  10. Weber Robert E. (Appleton WI) Peterson Richard M. (Appleton WI), Method for rapid quenching of melt blown fibers.
    상세보기
  11. Angadjivand Seyed A. (Darlington MN GB2) Jones Marvin E. (Stillwater MN) Meyer Daniel E. (Stillwater MN), Method of charging electret filter media.
    상세보기
  12. Berg, Harvey J., Molded fibrous filtration products.
    상세보기
  13. Jones Marvin E. (Grant Township MN) Rousseau Alan D. (Stillwater MN), Oily mist resistant electret filter media.
    상세보기
  14. Jones Marvin E. (Grant Township ; Washington County MN) Rousseau Alan D. (Stillwater MN), Oily mist resistant electret filter media and method for filtering.
    상세보기
  15. Rolando Richard J. (Oakdale MN) Krueger Dennis L. (Hudson WI) Meyer Daniel E. (Stillwater MN) Insley Thomas I. (Lake Elmo MN), Polypropylene articles and method for preparing same.
    상세보기

이 특허를 인용한 특허 (43)

  1. Gogins, Mark A.; Weik, Thomas M., Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream.
    상세보기
  2. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Air filter with fine fiber and spun bonded media.
    상세보기
  3. Gillingham,Gary R.; Gogins,Mark A.; Weik,Thomas M., Air filtration arrangements having fluted media construction and methods.
    상세보기
  4. Gillingham, Gary R.; Gogins, Mark A.; Weik, Thomas M., Air filtration arrangements having fluted media constructions and methods.
    상세보기
  5. Gillingham, Gary R.; Gogins, Mark A.; Weik, Thomas M., Air filtration arrangements having fluted media constructions and methods.
    상세보기
  6. Gillingham,Gary R.; Gogins,Mark A.; Weik,Thomas M., Air filtration arrangements having fluted media constructions and methods.
    상세보기
  7. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Bag house filter with fine fiber and spun bonded media.
    상세보기
  8. Li, Fuming B.; Bai, Feng; Sebastian, John M.; Jones, Marvin E., Electret webs with charge-enhancing additives.
    상세보기
  9. Sebastian, John M.; Li, Fuming B.; Jones, Marvin E.; Dressel, Luke T.; Japuntich, Daniel A., Electret webs with charge-enhancing additives.
    상세보기
  10. Benson, James D.; Crofoot, Douglas G.; Gogins, Mark A.; Weik, Thomas M., Filter structure with two or more layers of fine fiber having extended useful service life.
    상세보기
  11. Martin,Philip G., Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap.
    상세보기
  12. Barris, Marty A.; Gogins, Mark A.; Weik, Thomas M., Filtration arrangement utilizing pleated construction and method.
    상세보기
  13. Barris,Marty A.; Gogins,Mark A.; Weik,Thomas M., Filtration arrangement utilizing pleated construction and method.
    상세보기
  14. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Fine fiber media layer.
    상세보기
  15. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Fine fiber media layer.
    상세보기
  16. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Fine fiber media layer.
    상세보기
  17. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Fine fiber media layer.
    상세보기
  18. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Fine fiber media layer.
    상세보기
  19. Chung, Hoo Young; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Fine fiber media layer.
    상세보기
  20. Jones, Marvin E.; Lyons, Christopher S.; Redmond, David B.; Solomon, Jeffrey L.; Angadjivand, Seyed Abolhassan, Fluorinated electret.
    상세보기
  21. Marvin E. Jones ; Christopher S. Lyons ; David B. Redmond ; Jeffrey L. Solomon ; Seyed Abolhassan Angadjivand, Fluorinated electret.
    상세보기
  22. Imahori, Osamu; Hirai, Toshihisa; Hirai, legal representative, Kishiko; Sugawa, Akihide; Mihara, Fumio; Akisada, Shousuke; Yoshioka, Hirokazu; Katayama, Kousuke; Yamauchi, Toshiyuki; Suda, Hiroshi; Matsui, Yasunori, Heating blower with electrostatic atomizing device.
    상세보기
  23. Buettner, John M.; Leblanc, James A.; Gogins, Mark A.; Weik, Thomas M., Industrial bag house elements.
    상세보기
  24. Jones, Marvin E.; Lyons, Christopher S.; Redmond, David B.; Solomon, Jeffrey L.; Angadjivand, Seyed Abolhassan, Method of making a respirator that has a fluorinated electret.
    상세보기
  25. Sebastian, John M.; Jones, Marvin E.; Li, Fuming B.; Chou, Shih-Hung; Schultz, Nathan E.; Keough, Justin L.; Shah, Rahul R.; Japuntich, Daniel A., Method of making electret articles based on zeta potential.
    상세보기
  26. Rousseau, Alan D.; Miller, Joel W., Method of making electret fibers.
    상세보기
  27. Jones, Marvin E.; Lyons, Christopher S.; Redmond, David B.; Solomon, Jeffrey L.; Angadjivand, Seyed Abolhassan, Method of making fluorinated electrets.
    상세보기
  28. Jones, Marvin E.; Lyons, Christopher S.; Redmond, David B.; Solomon, Jeffrey L.; Angadjivand, Seyed Abolhassan, Method of using fluorinated electrets.
    상세보기
  29. Gillingham, Gary R.; Gogins, Mark A.; Weik, Thomas M., Methods for filtering air for a gas turbine system.
    상세보기
  30. Johnson,Bruce A.; Gogins,Mark A., Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method.
    상세보기
  31. Fu, Xiaoshuan; Chen, Rui; Xu, Qiang; Le normand, Jean; Both, Hendrik; Wu, Tien T.; Fox, Andrew R., Non-woven electret fibrous webs and methods of making same.
    상세보기
  32. Brace, Thomas J.; Mittelstadt, William A.; Blomberg, David M., Personal protective equipment strap retaining devices.
    상세보기
  33. Brace, Thomas J.; Mittelstadt, William A.; Blomberg, David M., Personal protective equipment strap retaining devices.
    상세보기
  34. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
    상세보기
  35. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
    상세보기
  36. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
    상세보기
  37. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
    상세보기
  38. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
    상세보기
  39. Chung,Hoo Y.; Hall,John R.B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
    상세보기
  40. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Process if making fine fiber material.
    상세보기
  41. Eitzman, Philip D.; Rousseau, Alan D., Process of making a fibrous electret web.
    상세보기
  42. Xue, Thomas J.; Domroese, Michael K.; Martin, Philip G.; Blomberg, David M.; Abel, Nathan A., Unidirectional valve.
    상세보기
  43. Xue, Thomas J.; Domroese, Michael K.; Martin, Philip G.; Abel, Nathan A., Unidirectional valves and filtering face masks comprising unidirectional valves.
    상세보기

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