AR222459A1 - Procedimiento para la fabricacion de un medio de liberacion lenta sostenida para un agente biologicamente activo - Google Patents

Procedimiento para la fabricacion de un medio de liberacion lenta sostenida para un agente biologicamente activo

Info

Publication number
AR222459A1
AR222459A1 AR270334A AR27033477A AR222459A1 AR 222459 A1 AR222459 A1 AR 222459A1 AR 270334 A AR270334 A AR 270334A AR 27033477 A AR27033477 A AR 27033477A AR 222459 A1 AR222459 A1 AR 222459A1
Authority
AR
Argentina
Prior art keywords
procedure
manufacture
active agent
biologically active
slow release
Prior art date
Application number
AR270334A
Other languages
English (en)
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of AR222459A1 publication Critical patent/AR222459A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/80Masked polyisocyanates
    • C08G18/8003Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0034Urogenital system, e.g. vagina, uterus, cervix, penis, scrotum, urethra, bladder; Personal lubricants
    • A61K9/0036Devices retained in the vagina or cervix for a prolonged period, e.g. intravaginal rings, medicated tampons, medicated diaphragms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2022Organic macromolecular compounds
    • A61K9/2031Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666Compounds of group C08G18/48 or C08G18/52
    • C08G18/667Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/905Hydrophilic or hydrophobic cellular product
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/914Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S528/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S528/904Isocyanate polymer having stated hydrophilic or hydrophobic property

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Polymers & Plastics (AREA)
  • Reproductive Health (AREA)
  • Gynecology & Obstetrics (AREA)
  • Urology & Nephrology (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
AR270334A 1976-12-13 1977-12-12 Procedimiento para la fabricacion de un medio de liberacion lenta sostenida para un agente biologicamente activo AR222459A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51917/76A GB1551620A (en) 1976-12-13 1976-12-13 Delivery means for biologically active agents

Publications (1)

Publication Number Publication Date
AR222459A1 true AR222459A1 (es) 1981-05-29

Family

ID=10461919

Family Applications (1)

Application Number Title Priority Date Filing Date
AR270334A AR222459A1 (es) 1976-12-13 1977-12-12 Procedimiento para la fabricacion de un medio de liberacion lenta sostenida para un agente biologicamente activo

Country Status (18)

Country Link
US (1) US4202880A (es)
JP (1) JPS5375319A (es)
AR (1) AR222459A1 (es)
AU (1) AU514408B2 (es)
BE (1) BE861788A (es)
CA (1) CA1085726A (es)
CH (1) CH634996A5 (es)
DE (1) DE2755505A1 (es)
EG (1) EG12845A (es)
FR (1) FR2373279A1 (es)
GB (1) GB1551620A (es)
IE (1) IE46085B1 (es)
IL (1) IL53508A (es)
IT (1) IT1089964B (es)
NL (1) NL182777C (es)
NZ (1) NZ185794A (es)
SE (1) SE436685B (es)
ZA (1) ZA777060B (es)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE431821B (sv) * 1979-01-29 1984-03-05 Perstorp Ab Lagringsstabilt, prostaglandininnehallande medicinskt preparat
NZ193222A (en) * 1979-03-21 1984-08-24 M P Embrey Controlled release composition
GB2087909B (en) * 1980-11-22 1984-11-07 Shirley Inst Breathable non-porous polyurethane film
EP0067671B1 (en) * 1981-06-12 1989-11-15 National Research Development Corporation Hydrogels
EP0092918B1 (en) * 1982-04-22 1988-10-19 Imperial Chemical Industries Plc Continuous release formulations
US4469671A (en) * 1983-02-22 1984-09-04 Eli Lilly And Company Contraceptive device
US4911691A (en) * 1984-09-21 1990-03-27 Menlo Care, Inc. Assembly for adminstering IV solution
US4883699A (en) * 1984-09-21 1989-11-28 Menlo Care, Inc. Polymeric article having high tensile energy to break when hydrated
JPS6178718A (ja) * 1984-09-25 1986-04-22 Toyobo Co Ltd 抗血栓性の優れた薬剤徐放性ポリマ−組成物
US4550126A (en) * 1985-01-25 1985-10-29 Hydromer, Inc. Hydrophilic, flexible, open cell polyurethane-poly(N-vinyl lactam) interpolymer foam and dental and biomedical products fabricated therefrom
DE3780700T2 (de) * 1986-05-14 1993-02-04 Ono Pharmaceutical Co Klebstoff fuer perkutane verabreichung.
US4978391A (en) * 1987-11-13 1990-12-18 Dentsply Management Corp. Intraoral medicament delivery and procedure
JPH0540585Y2 (es) * 1988-01-13 1993-10-14
US5173535A (en) * 1988-02-11 1992-12-22 Dow Corning Corporation Plastics containing sustained release of functional materials
US4994047A (en) * 1988-05-06 1991-02-19 Menlo Care, Inc. Multi-layer cannula structure
US5000955A (en) * 1988-07-29 1991-03-19 Tyndale Plains-Hunter Ltd. Thermally reversible polyurethane hydrogels and cosmetic, biological and medical uses
US4920172A (en) * 1989-01-30 1990-04-24 Tyndale Plains-Hunter Ltd. Hydrophilic polyurethane emulsions and materials produced therefrom
US5342624A (en) * 1989-02-16 1994-08-30 British Technology Group Ltd. Dispensing device
JPH02290317A (ja) * 1989-04-21 1990-11-30 Nec Ic Microcomput Syst Ltd フィルタ回路
GB8918589D0 (en) * 1989-08-15 1989-09-27 Graham Neil B Polymeric compositions
JPH0435519A (ja) * 1990-05-31 1992-02-06 Sanyo Electric Co Ltd フィルタ回路
US5384333A (en) * 1992-03-17 1995-01-24 University Of Miami Biodegradable injectable drug delivery polymer
CA2134087C (en) * 1992-04-24 2007-07-17 Robert S. Ward Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range
US5290418A (en) * 1992-09-24 1994-03-01 Applied Biosystems, Inc. Viscous electrophoresis polymer medium and method
GB9306887D0 (en) 1993-04-01 1993-05-26 Graham Neil B Random block copolymers
GB9326255D0 (en) * 1993-12-23 1994-02-23 Roussel Lab Ltd Medical device for the prevention and treatment of cancer
AUPO251096A0 (en) 1996-09-23 1996-10-17 Cardiac Crc Nominees Pty Limited Polysiloxane-containing polyurethane elastomeric compositions
US6706775B2 (en) * 2002-04-02 2004-03-16 H. H. Brown Shoe Technologies, Inc. Polyurethane foam products with controlled release of agents and additives
GB0222522D0 (en) 2002-09-27 2002-11-06 Controlled Therapeutics Sct Water-swellable polymers
GB0417401D0 (en) 2004-08-05 2004-09-08 Controlled Therapeutics Sct Stabilised prostaglandin composition
GB0613333D0 (en) * 2006-07-05 2006-08-16 Controlled Therapeutics Sct Hydrophilic polyurethane compositions
GB0613638D0 (en) 2006-07-08 2006-08-16 Controlled Therapeutics Sct Polyurethane elastomers
GB0620685D0 (en) 2006-10-18 2006-11-29 Controlled Therapeutics Sct Bioresorbable polymers
US8580294B2 (en) 2010-10-19 2013-11-12 International Partnership For Microbicides Platinum-catalyzed intravaginal rings
US10137031B2 (en) 2013-11-14 2018-11-27 International Partnership For Microbicides, Inc. Combination therapy intravaginal rings

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1127082B (de) * 1959-02-26 1962-04-05 Hoechst Ag Verfahren zur Herstellung von hochmolekularen wasserloeslichen oder wasserquellbaren Polyaetherurethanen
US3164565A (en) * 1962-04-06 1965-01-05 Dow Chemical Co Water-swellable polyurethanes from a polyalkyalene ether glycol and an oxyalkylated dphenol
FR1586811A (es) 1966-01-06 1970-03-06
US3857932A (en) * 1970-09-09 1974-12-31 F Gould Dry hydrophilic acrylate or methacrylate polymer prolonged release drug implants
US3975350A (en) * 1972-08-02 1976-08-17 Princeton Polymer Laboratories, Incorporated Hydrophilic or hydrogel carrier systems such as coatings, body implants and other articles
US3978266A (en) * 1972-10-05 1976-08-31 Ionics Lyo Products Company Surgical dressings
US3953406A (en) * 1973-01-26 1976-04-27 California Institute Of Technology Water-insoluble, swellable polyurethanes
US3923926A (en) * 1974-01-29 1975-12-02 Dai Ichi Kogyo Seiyaku Co Ltd Thixotropic polyurethane composition
GB1503732A (en) * 1974-02-19 1978-03-15 Grace W R & Co Method for preparing dental and medical foam structures and products
US3991750A (en) * 1975-04-28 1976-11-16 Syntex Corporation Dromostanolone propionate implant pellet useful for producing weight gains in animals and suppressing estrus in female animals

Also Published As

Publication number Publication date
IL53508A0 (en) 1978-03-10
CA1085726A (en) 1980-09-16
GB1551620A (en) 1979-08-30
BE861788A (fr) 1978-06-13
AU514408B2 (en) 1981-02-05
IT1089964B (it) 1985-06-18
CH634996A5 (de) 1983-03-15
FR2373279B1 (es) 1980-06-06
ZA777060B (en) 1978-09-27
DE2755505A1 (de) 1978-06-15
EG12845A (en) 1980-10-31
JPS5375319A (en) 1978-07-04
AU3106577A (en) 1979-06-07
US4202880A (en) 1980-05-13
NL182777C (nl) 1988-05-16
IL53508A (en) 1980-11-30
IE46085L (en) 1978-06-13
FR2373279A1 (fr) 1978-07-07
SE7714066L (sv) 1978-06-14
JPS619922B2 (es) 1986-03-27
IE46085B1 (en) 1983-02-09
DE2755505C2 (es) 1987-02-26
SE436685B (sv) 1985-01-21
NL7713656A (nl) 1978-06-15
NZ185794A (en) 1979-03-28

Similar Documents

Publication Publication Date Title
AR222459A1 (es) Procedimiento para la fabricacion de un medio de liberacion lenta sostenida para un agente biologicamente activo
AR216922A1 (es) Procedimiento para la fabricacion de un medio quirurgico
AT351864B (de) Insektizides mittel
MX148040A (es) Procedimiento para la preparacion de un vendaje de sosten autoendurecible
DK156988C (da) Mundplejemiddel
MX4699E (es) Procedimiento para la preparacion de un polipeptido antigenicamente activo
NO145562C (no) Strekkapparat for medisinsk bruk
SE7711989L (sv) Biologiskt aktiva sampolymerer
AT359331B (de) Fungizide mittel
IT1089410B (it) Agente antiincrostazione acquatica
ES230806Y (es) Estructura absorbente desechable.
AT353052B (de) Insektizides mittel
ATA478577A (de) Insektizides mittel
AT362192B (de) Insektizides mittel
IT1075545B (it) Agente immuno-stimolante
IT1064474B (it) Agente deodorante
DK146555C (da) Antikonceptionelt middel
DK145811C (da) Herbicidt middel
PL205322A1 (pl) Srodek biologicznie czynny
DK358277A (da) Fremgangsmade til fremstilling af et til udvortes brug beregnet corticosteroidholdigt middel mod hudlidelser
BE854827A (fr) Nouvel agent anti-inflammatoire
FI772872A (fi) Biologiskt aktiva tetracykliska foereningar och farmaceutiska sammansaettningar innehaollande desamma
AR219106A1 (es) Dispositivo para la generacion de un movimiento longitudinal,uniforme o variado,partiendo de un movimiento circular y uniforme
AR210629A1 (es) Procedimiento para la obtencion de 3,4,5-trimetoxifenil-(1,4-di-metil-1,2,3,6-tetrahidro-2-piridil)-carbinol particularmente util como agente activo analgesico
ES218359Y (es) Dispositivo para la formacion de encofrados horizontales re-cuperables.