DK1017741T3 - Drivmiddelfri fremgangsmåde til fremstilling af fladeformede polymerskum - Google Patents

Drivmiddelfri fremgangsmåde til fremstilling af fladeformede polymerskum

Info

Publication number
DK1017741T3
DK1017741T3 DK98945275T DK98945275T DK1017741T3 DK 1017741 T3 DK1017741 T3 DK 1017741T3 DK 98945275 T DK98945275 T DK 98945275T DK 98945275 T DK98945275 T DK 98945275T DK 1017741 T3 DK1017741 T3 DK 1017741T3
Authority
DK
Denmark
Prior art keywords
propellant
phase
shaped polymer
polymer foams
free process
Prior art date
Application number
DK98945275T
Other languages
English (en)
Inventor
Stefan Bracht
Original Assignee
Lohmann Therapie Syst Lts
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lohmann Therapie Syst Lts filed Critical Lohmann Therapie Syst Lts
Application granted granted Critical
Publication of DK1017741T3 publication Critical patent/DK1017741T3/da

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
    • A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
    • A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
    • A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
    • A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
    • A61K9/7061—Polyacrylates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/58—Adhesives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Hematology (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Medicinal Preparation (AREA)
  • Materials For Medical Uses (AREA)
DK98945275T 1997-09-05 1998-08-21 Drivmiddelfri fremgangsmåde til fremstilling af fladeformede polymerskum DK1017741T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19738856A DE19738856C2 (de) 1997-09-05 1997-09-05 Treibmittelfreies Verfahren zur Herstellung flächenförmiger Polymerschäume
PCT/EP1998/005322 WO1999013001A1 (de) 1997-09-05 1998-08-21 Treibmittelfreies verfahren zur herstellung flächenförmiger polymerschäume

Publications (1)

Publication Number Publication Date
DK1017741T3 true DK1017741T3 (da) 2001-08-13

Family

ID=7841310

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98945275T DK1017741T3 (da) 1997-09-05 1998-08-21 Drivmiddelfri fremgangsmåde til fremstilling af fladeformede polymerskum

Country Status (12)

Country Link
EP (1) EP1017741B1 (da)
JP (1) JP2001515941A (da)
KR (1) KR20010023737A (da)
AT (1) ATE201706T1 (da)
AU (1) AU9264298A (da)
CA (1) CA2302634A1 (da)
DE (2) DE19738856C2 (da)
DK (1) DK1017741T3 (da)
ES (1) ES2159962T3 (da)
GR (1) GR3036336T3 (da)
NO (1) NO20000972L (da)
WO (1) WO1999013001A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5019342B2 (ja) * 2003-12-25 2012-09-05 シンジーテック株式会社 シリコーンエラストマー多孔質体
JP2011026617A (ja) * 2003-12-25 2011-02-10 Synztec Co Ltd シリコーンエラストマー多孔質体
GB0426282D0 (en) * 2004-11-30 2004-12-29 Uws Ventures Ltd Polymer scaffold

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL36336A (en) * 1970-03-19 1974-12-31 Jacob E Microporous moisture vapor permeable sheets
GB2198739B (en) * 1986-12-03 1990-06-20 Domnick Hunter Filters Ltd Microporous membrane
US4820525A (en) * 1987-09-17 1989-04-11 American Home Products Corporation (Del.) Transdermal drug delivery system
DE3810757A1 (de) * 1988-03-30 1989-10-26 Freudenberg Carl Fa Verfahren zur herstellung einer mikroporoesen folie
CA2023097C (en) * 1990-01-16 1999-07-06 Kenji Tsubota Method for producing an air-permeable adhesive tape
DE4223360C1 (da) * 1992-07-16 1993-04-08 Lts Lohmann Therapie-Systeme Gmbh & Co Kg, 5450 Neuwied, De

Also Published As

Publication number Publication date
DE19738856C2 (de) 2001-06-13
DE59800805D1 (de) 2001-07-05
CA2302634A1 (en) 1999-03-18
JP2001515941A (ja) 2001-09-25
GR3036336T3 (en) 2001-11-30
NO20000972D0 (no) 2000-02-25
EP1017741B1 (de) 2001-05-30
WO1999013001A1 (de) 1999-03-18
NO20000972L (no) 2000-02-25
EP1017741A1 (de) 2000-07-12
AU9264298A (en) 1999-03-29
KR20010023737A (ko) 2001-03-26
DE19738856A1 (de) 1999-03-11
ATE201706T1 (de) 2001-06-15
ES2159962T3 (es) 2001-10-16

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