KR960705534A - 흡수성 구조체의 제조방법 및 상기 방법으로 제조된 흡수성 구조체(process of making absorbent structures and absorbent structures produced thereby) - Google Patents

흡수성 구조체의 제조방법 및 상기 방법으로 제조된 흡수성 구조체(process of making absorbent structures and absorbent structures produced thereby)

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KR960705534A
KR960705534A KR1019960702629A KR19960702629A KR960705534A KR 960705534 A KR960705534 A KR 960705534A KR 1019960702629 A KR1019960702629 A KR 1019960702629A KR 19960702629 A KR19960702629 A KR 19960702629A KR 960705534 A KR960705534 A KR 960705534A
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liquid precursor
substrate
transfer roll
roll
capillary
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딘 반 판
폴 데니스 트로칸
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제이코버스 코넬리스 레이서
더 프록터 앤드 갬블 캄파니
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53717—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the horizontal direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15422—Density
    • A61F2013/1543—Density with a density gradient in the horizontal plane
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15422—Density
    • A61F2013/15439—Density with a density gradient in the vertical plane
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F2013/53721—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
    • A61F2013/53726—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means on the top layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F2013/53721—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
    • A61F2013/53734—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means with compressed lines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Printing Methods (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

모세관 기재(22) 및 모세관 기재상의 삼투압 흡수체(24)를 갖는 흡수성 구조체(20)를 제조하는 방법. 삼투압 흡수체는 모세관 기재에 도포된 액체 전구물질(40)로부터 경화된다. 모세관 기재는 모세관 기재의 평면에 수직으로 취한 형태상 상이한 높이(26)를 갖는 영역(34, 38)을 포함한다. 인쇄 장치의 전달 롤과 앤빌 롤 사이의 틈을 통해 모세관 기재를 통과시킨다. 전달 롤은 외면에 액체 전구물질을 갖는다. 전달 롤의 외면과 접촉하는 모세관 기재의 형태상 높은 영역에만 액체 전구물질이 도포된다. 모세관 기재의 형태를 변화시킴으로써, 전달 롤을 변화시키지 않고도 액체 전구물질을 상이한 패턴으로 모세관 기재에 도포할 수 있다. 이러한 배열로 인해 모세관 기재상의 삼투압 흡수체의 다양한 패턴을 갖는 흡수성 구조체를, 제조공정을 융통성 있게 운용하여 용이하게 제조할 수 있다.

Description

흡수성 구조체의 제조방법 및 상기 방법으로 제조된 흡수성 구조체(PROCESS OF MAKING ABSORBENT STRUCTURES AND ABSORBENT STRUCTURES PRODUCED THEREBY)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 형태상 높은 영역을 갖는 모세관 기재 및 상기 형태상 높은 영역 위에 배치되는 삼투압 흡수성 물질의 불연속 부위를 포함하는, 본 발명에 따른 흡수성 구조체의 부분적인 측단면도이다, 제2도는 제1도의 선(2-2)을 따라 취한 부분 측단면도이다, 제3도는 본 발명의 방법에 따른 흡수성 구조체를 제조하는 데 사용될 수 있는 한가지 장치의 개략적인 입면도이다.

Claims (10)

  1. 두 롤 사이에 틈이 생기도록 배치된 전달 롤 및 앤빌 롤을 제공하는 단계; 액체 전구물질을 상기 전달 롤의 외면에 제공하는 단계; 형태상 구별가능한 영역을 갖는 모세관 흡수성 기재를 제공하는 단계; 상기 모세관 기재를 상기 틈을 통해 통과시킴으로써 상기 모세관 기재의 예정된 영역 및 상기 전달 롤의 상응하는 영역의 상기 틈에서의 위치 사이에 적절한 차이를 두어 상기 모세관 기재의 예정된 영역을 상기 전달 롤의 상응하는 영역에 접촉시키는 단계; 상기 액체 전구물질을 상기 전달 롤의 상기 상응하는 영역으로부터 상기 기재의 상기 예정된 영역으로 도포하는 단계; 및 상기 액체 전구물질을 동일 반응계 내에서 중합시켜 상기 기재의 상기 예정된 영역상에 고정화된 삼투압 흡수체를 형성시키는 단계를 포함하는, 삼투압 및 모세관 흡수능 둘 다를 갖는 흡수성 구조체의 제조방법.
  2. 전달 롤 및 앤빌 롤을 축방향으로 평행한 관계로 배치시켜 그 사이에 틈을 형성시키는 단계; 상기 전달 롤의 외면에 액체 전구물질을 제공하는 단계; 모세관 흡수성 기재를 제공하는 단계(이때, 상기 모세관 흡수성 기재는 형태상 높은 영역을 갖고 상기 모세관 기재가 상기 틈 사이에 있는 동안 상기 형태상 높은 영역이 상기 전달 롤을 향해 배향되고 상기 모세관 기재는 상기 앤빌 롤에 대향하여 높임); 상기 틈을 통해 상기 모세관 기재를 통과시키는 단계; 상기 액체 전구물딜을 상기 오프셋 전달 롤의 외면으로부터 상기 기재의 형태상 높은 영역으로 도포하는 단계; 및 상기 액체 전구물딜을 동일 반응계 내에서 중합시켜 상기 기재상에 고정화된 삼투압 흡수체를 형성시키는 단계를 포함하는, 삼투압 및 모세관 흡수능 둘 다를 갖는 흡수성 구조체의 제조방법.
  3. 제1항 또는 제2항에 있어서, 저장용기를 제공하는 단계; 상기 저장용기에 상기 액체 전구물질을 넣는 단계; 계량 롤을 상기 전달 롤과 접촉하는 관계로 제공하는 단계(이때, 상기 계량 롤 및 전달 롤은 병렬이어서 이들 사이에 닙이 형성됨); 및 상기 액체 전구물질에 상기 계량 롤을 넣음으로써 상기 계량롤이 회전할 때 액체 전구물질을 상기 저장용기에서 상기 계량 롤로 전달하고, 다시 상기 모세관 기재에 도포하기 위하여 전달롤의 상기 외면으로 전달하는 단계를 추가로 포함하는 방법.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 저장용기를 다수의 독립적인 격실로 분할하는 단계, 및 중합시 상이한 겔 강도 및/또는 상이한 흡수속도를 갖는 다수의 액체 전구물질을 상기 상이한 격실에 제공하는 단계를 추가로 포함하고, 바람직하게는 상기 저장용기를 다수의 독립적으로 격실로 분할하는 상기 단계가 상기 저장용기를 3개의 격실, 즉 바깥쪽에 위치하는 2개의 격실 및 중앙의 격실로 삼분하는 단계를 포함하고, 더욱 바람직하게는 상이한 액체 전구물질을 상기 삼분된 저장용기에 넣는 상기 단계가, 상기 중앙의 격실에 상기 바깥쪽의 격실에 있는 상기 액체 전구물질보다 비교적 더 높은 겔 강도를 갖는 액체 전구물질을 제공하고, 상기 바깥쪽의 격실에 상기 중앙의 격실에 있는 상기 액체 전구물질보다 비교적 더 빠른 흡수속도를 갖는 액체 전구물질을 제공하는 것을 포함함을 특징으로 하는 방법.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 전달 롤과 앤빌 롤 쌍을 닷 제공하는 단계(이때, 전달 롤과 앤빌 롤을 갖는 상기 각 쌍은 이들 사이에 틈이 형성되도록 배치됨); 액체 전구물질을 상기 각 오프셋 전달 롤의 외면에 제공하는 단계; 상기 다수의 전달 롤 및 앤빌 롤 사이의 상기 틈을 통해 상기 모세관 기재를 통과시키는 단계; 및 상기 액체 전구물질을 상기 기재의 형태상 높은 영역에 도포하는 단계를 추가로 포함하며, 하나의 전달 롤의 의애 도포되는 액체 전구물질이 다른 전달 롤에 의해 도포되는 액체 전구물질과 상이한 특성을 갖고, 바람직하게는 상기 다수의 전달 롤이 중심에 배치된 액체 전구물질을 상기 모세관 기재에 도포하는 제1전달 롤; 상기 제1전달 롤에 의해 도포된 상기 액체 전구물질의 기계횡방향으로부터 바깥쪽으로 상기 모세관 기재에 액체 전구물질을 도포하는 2개의 바깥쪽 전달 롤을 포함하는 것을 특징으로 하는 방법.
  6. 제1항 또는 제2항에 있어서, 상기 액체 전구물질을 상기 기재에 도포하기 전에 상기 액체 전구물질을 에비중합시킴으로써 중합후 잔류하는 단량체를 감소시키는 단계를 추가로 포함하는 방법.
  7. 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 액체 전구물질에 중점제를 첨가하는 단계를 추가로 포함하고, 바람직하게는 상기 액체 전구물질이 상기 저장용기에 있는 동안 약 4,000센티포이즈 이상의 동점도를 갖는 방법.
  8. 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 모세관 기재가 연속적인 고밀도 영역을 포함하는 것을 특징으로 하는 방법.
  9. 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 모세관 기재가 불연속적인 저밀도 영역을 포함하는 것을 특징으로 하는 방법.
  10. 제1항 내지 제9항 중 어느 한 항에 따른 방법으로 제조된 흡수성 구조체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960702629A 1993-11-17 1994-11-09 흡수성구조체의제조방법및상기방법으로제조된흡수성구조체 KR100342759B1 (ko)

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AU1093595A (en) 1995-06-06
WO1995013780A1 (en) 1995-05-26
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ES2144601T3 (es) 2000-06-16
EP0729338A1 (en) 1996-09-04
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BR9408082A (pt) 1997-08-12
ATE189600T1 (de) 2000-02-15
US5547747A (en) 1996-08-20
CA2175792A1 (en) 1995-05-26
US5549928A (en) 1996-08-27
HK1012929A1 (en) 1999-08-13
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MY131698A (en) 2007-08-30

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