PT80416B - Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release - Google Patents

Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release

Info

Publication number
PT80416B
PT80416B PT80416A PT8041685A PT80416B PT 80416 B PT80416 B PT 80416B PT 80416 A PT80416 A PT 80416A PT 8041685 A PT8041685 A PT 8041685A PT 80416 B PT80416 B PT 80416B
Authority
PT
Portugal
Prior art keywords
active agent
constant release
profile contains
gradient
containing hydrogel
Prior art date
Application number
PT80416A
Other languages
English (en)
Other versions
PT80416A (en
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of PT80416A publication Critical patent/PT80416A/pt
Publication of PT80416B publication Critical patent/PT80416B/pt

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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Preparation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)
  • Steroid Compounds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Colloid Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
PT80416A 1984-05-10 1985-05-08 Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release PT80416B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/608,756 US4624848A (en) 1984-05-10 1984-05-10 Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use

Publications (2)

Publication Number Publication Date
PT80416A PT80416A (en) 1985-06-01
PT80416B true PT80416B (en) 1987-04-16

Family

ID=24437841

Family Applications (1)

Application Number Title Priority Date Filing Date
PT80416A PT80416B (en) 1984-05-10 1985-05-08 Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release

Country Status (16)

Country Link
US (1) US4624848A (pt)
EP (1) EP0164311B1 (pt)
JP (1) JPS619A (pt)
AT (1) ATE61731T1 (pt)
AU (1) AU583507B2 (pt)
CA (1) CA1246447A (pt)
DE (1) DE3582193D1 (pt)
DK (1) DK205185A (pt)
ES (1) ES8603273A1 (pt)
FI (1) FI851801L (pt)
GR (1) GR851114B (pt)
IL (1) IL75129A (pt)
NZ (1) NZ212030A (pt)
PH (1) PH24100A (pt)
PT (1) PT80416B (pt)
ZA (1) ZA853511B (pt)

Families Citing this family (124)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749576A (en) * 1984-05-10 1988-06-07 Ciba-Geigy Corporation Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use
JPS61218517A (ja) * 1985-03-25 1986-09-29 Bio Materiaru Yunibaasu:Kk 経皮吸収製剤
FR2585246A1 (fr) * 1985-07-26 1987-01-30 Cortial Procede d'obtention de formes pharmaceutiques solides a liberation prolongee
US4794002A (en) * 1985-11-01 1988-12-27 Monsanto Company Modified polymeric surfaces and process for preparing same
JPH0643851B2 (ja) * 1986-03-13 1994-06-08 大同メタル工業株式会社 軸受ユニット
US4983400A (en) * 1986-06-16 1991-01-08 Merck & Co., Inc. Controlled release combination of carbidopa/levodopa
US4780236A (en) * 1986-06-20 1988-10-25 Kiwi Brands, Inc. Lavoratory cleansing block containing polyethylene gycol disteatrate, guar gum and sodium chloride
US4743248A (en) * 1986-08-11 1988-05-10 Alza Corporation Dosage form for delivering acid sensitive beneficial agent
GB8620845D0 (en) * 1986-08-28 1986-10-08 Reckitt & Colmann Prod Ltd Treatment of textile surfaces
US5219575A (en) * 1987-06-26 1993-06-15 Duphar International Research B.V. Compositions with controlled zero-order delivery rate and method of preparing these compositions
EP0297650A1 (en) * 1987-06-26 1989-01-04 Duphar International Research B.V Compositions with controlled zero-order delivery rate and method of preparing these compositions
US4910015A (en) * 1987-10-19 1990-03-20 Massachusetts Institute Of Technology Surface-active polysiloxanes and drug releasing materials thereof
GB8801863D0 (en) * 1988-01-28 1988-02-24 Fulmer Yarsley Ltd Pharmaceutical formulations with controlled drug release
US6440457B1 (en) * 1993-05-27 2002-08-27 Alza Corporation Method of administering antidepressant dosage form
DE69603577T2 (de) 1995-02-10 1999-11-25 Medtronic, Inc. Verfahren und vorrichtung zur verabreichung von analgetika
US5945125A (en) * 1995-02-28 1999-08-31 Temple University Controlled release tablet
US20030203036A1 (en) 2000-03-17 2003-10-30 Gordon Marc S. Systems and processes for spray drying hydrophobic drugs with hydrophilic excipients
GB9703673D0 (en) * 1997-02-21 1997-04-09 Bradford Particle Design Ltd Method and apparatus for the formation of particles
US6039968A (en) * 1997-06-24 2000-03-21 Hoechst Marion Roussel Intravaginal drug delivery device
DE19843904A1 (de) * 1998-09-24 2000-03-30 Basf Ag Feste Dosierungsform mit polymerem Bindemittel
DE19843903A1 (de) * 1998-09-24 2000-03-30 Basf Ag Feste Dosierungsform mit copolymerem Bindemittel
US6706283B1 (en) * 1999-02-10 2004-03-16 Pfizer Inc Controlled release by extrusion of solid amorphous dispersions of drugs
US7943162B2 (en) * 1999-10-21 2011-05-17 Alcon, Inc. Drug delivery device
CN1402632A (zh) 1999-12-23 2003-03-12 辉瑞产品公司 水凝胶驱动的药物剂型
US20030086972A1 (en) * 2000-08-09 2003-05-08 Appel Leah E. Hydrogel-driven drug dosage form
GB0027357D0 (en) * 2000-11-09 2000-12-27 Bradford Particle Design Plc Particle formation methods and their products
PT1409065E (pt) 2001-07-23 2007-03-30 Alcon Inc Dispositivo de administração de fármacos oftálmicos
PT1385452E (pt) * 2001-07-23 2006-12-29 Alcon Inc Dispositivo de administração de fármacos oftálmicos
CA2464653C (en) * 2001-10-29 2011-10-18 Therics, Inc. System for manufacturing controlled release dosage forms, such as a zero-order release profile dosage form manufactured by three-dimensional printing
GB0216562D0 (en) 2002-04-25 2002-08-28 Bradford Particle Design Ltd Particulate materials
US9339459B2 (en) 2003-04-24 2016-05-17 Nektar Therapeutics Particulate materials
GB0310636D0 (en) * 2003-05-08 2003-06-11 Nektar Therapeutics Uk Ltd Particulate materials
CA2524773C (en) 2003-05-08 2014-04-08 Nektar Therapeutics Uk Ltd Particulate coformulations of active substances with excipients
CN1805719A (zh) * 2003-07-10 2006-07-19 爱尔康公司 眼药输送装置
US20060246109A1 (en) * 2005-04-29 2006-11-02 Hossainy Syed F Concentration gradient profiles for control of agent release rates from polymer matrices
US8153162B2 (en) 2005-09-27 2012-04-10 Tissuetech, Inc. Purified amniotic membrane compositions and methods of use
US8187639B2 (en) * 2005-09-27 2012-05-29 Tissue Tech, Inc. Amniotic membrane preparations and purified compositions and anti-angiogenesis treatment
EP1959966B1 (en) 2005-11-28 2020-06-03 Marinus Pharmaceuticals, Inc. Ganaxolone formulations and methods for the making and use thereof
US8246973B2 (en) 2006-06-21 2012-08-21 Advanced Cardiovascular Systems, Inc. Freeze-thaw method for modifying stent coating
US10208158B2 (en) 2006-07-10 2019-02-19 Medipacs, Inc. Super elastic epoxy hydrogel
WO2008021368A2 (en) 2006-08-11 2008-02-21 The Johns Hopkins University Compositions and methods for neuroprotection
EP2532235A1 (en) 2006-09-22 2012-12-12 Pharmacyclics, Inc. Inhibitors of bruton's tyrosine kinase
JP5411141B2 (ja) 2007-09-10 2014-02-12 カルシメディカ，インク． 細胞内カルシウムを調節する化合物
WO2009073734A2 (en) 2007-12-03 2009-06-11 Medipacs, Inc. Fluid metering device
WO2010027875A2 (en) 2008-08-27 2010-03-11 Calcimedica Inc. Compounds that modulate intracellular calcium
ES2559029T3 (es) 2009-04-24 2016-02-10 Tissue Tech, Inc. Composiciones que contienen al complejo HC.HA y metodos de uso de las mismas
WO2011032011A1 (en) 2009-09-10 2011-03-17 Medipacs, Inc. Low profile actuator and improved method of caregiver controlled administration of therapeutics
US7718662B1 (en) 2009-10-12 2010-05-18 Pharmacyclics, Inc. Pyrazolo-pyrimidine inhibitors of bruton's tyrosine kinase
US9500186B2 (en) 2010-02-01 2016-11-22 Medipacs, Inc. High surface area polymer actuator with gas mitigating components
ES2602475T3 (es) 2010-04-15 2017-02-21 Tracon Pharmaceuticals, Inc. Potenciación de la actividad anticáncer por terapia de combinación con inhibidores de la vía BER
PL2563776T3 (pl) 2010-04-27 2017-01-31 Calcimedica Inc Związki, które modulują wewnątrzkomórkowy wapń
US8754219B2 (en) 2010-04-27 2014-06-17 Calcimedica, Inc. Compounds that modulate intracellular calcium
CA3240281A1 (en) 2010-06-03 2011-12-08 Pharmacyclics Llc Use of inhibitors of bruton's tyrosine kinase (btk) in the treatment of follicular lymphoma
CN103180316A (zh) 2010-08-27 2013-06-26 钙医学公司 调节细胞内钙的化合物
US8668675B2 (en) 2010-11-03 2014-03-11 Flugen, Inc. Wearable drug delivery device having spring drive and sliding actuation mechanism
US9808030B2 (en) 2011-02-11 2017-11-07 Grain Processing Corporation Salt composition
US9526770B2 (en) 2011-04-28 2016-12-27 Tissuetech, Inc. Methods of modulating bone remodeling
WO2012170905A1 (en) 2011-06-10 2012-12-13 Tissuetech, Inc. Methods of processing fetal support tissues, fetal support tissue powder products, and uses thereof
MX365393B (es) 2011-09-13 2019-05-31 Pharmacyclics Llc Formulaciones de inhibidor de histona deacetilasa en combinación con bendamustina y usos de las mismas.
US8377946B1 (en) 2011-12-30 2013-02-19 Pharmacyclics, Inc. Pyrazolo[3,4-d]pyrimidine and pyrrolo[2,3-d]pyrimidine compounds as kinase inhibitors
CN107982266B (zh) 2012-01-06 2021-07-30 H.隆德贝克有限公司 氨基甲酸酯化合物及其制备和使用方法
CN104302689A (zh) 2012-03-14 2015-01-21 麦德医像公司 含有过量活性分子的智能聚合物材料
CN104736178A (zh) 2012-06-04 2015-06-24 药品循环公司 布鲁顿酪氨酸激酶抑制剂的晶形
CA2878163A1 (en) 2012-07-11 2014-01-16 Tissuetech, Inc. Compositions containing hc-ha/ptx3 complexes and methods of use thereof
DK2900674T3 (en) 2012-09-28 2017-07-03 Univ Washington Through Its Center For Commercialization RELATIONSHIPS AND PROCEDURES FOR PREVENTION, TREATMENT AND / OR PROTECTION AGAINST SENSITIVE CELL DEATH
US9512116B2 (en) 2012-10-12 2016-12-06 Calcimedica, Inc. Compounds that modulate intracellular calcium
US9611263B2 (en) 2013-10-08 2017-04-04 Calcimedica, Inc. Compounds that modulate intracellular calcium
JP6345786B2 (ja) 2013-12-05 2018-06-20 ファーマサイクリックス エルエルシー ブルトン型チロシンキナーゼの阻害剤
WO2015164213A1 (en) 2014-04-23 2015-10-29 The Research Foundation For The State University Of New York A rapid and efficient bioorthogonal ligation reaction and boron-containing heterocycles useful in conjuction therewith
TW201603818A (zh) 2014-06-03 2016-02-01 組織科技股份有限公司 組成物及方法
US9775978B2 (en) 2014-07-25 2017-10-03 Warsaw Orthopedic, Inc. Drug delivery device and methods having a retaining member
US9764122B2 (en) 2014-07-25 2017-09-19 Warsaw Orthopedic, Inc. Drug delivery device and methods having an occluding member
US9839644B2 (en) 2014-09-09 2017-12-12 ARKAY Therapeutics, LLC Formulations and methods for treatment of metabolic syndrome
US9359316B1 (en) 2014-11-25 2016-06-07 Concentric Analgesics, Inc. Prodrugs of phenolic TRPV1 agonists
CA2974395C (en) 2015-02-06 2023-08-22 University Of Washington Compounds and methods for preventing or treating sensory hair cell death
US10227333B2 (en) 2015-02-11 2019-03-12 Curtana Pharmaceuticals, Inc. Inhibition of OLIG2 activity
US20160243288A1 (en) 2015-02-23 2016-08-25 Tissuetech, Inc. Apparatuses and methods for treating ophthalmic diseases and disorders
CA2977521C (en) 2015-02-27 2024-03-19 Curtana Pharmaceuticals, Inc. 1-(aryl)-3-(heteroaryl) urea compounds and their use as olig2 inhibitors
IL315294A (en) 2015-03-03 2024-10-01 Pharmacyclics Llc Pharmaceutical formulations of proton tyrosine kinase inhibitor
MA41827A (fr) 2015-03-27 2018-01-30 Pharmacyclics Llc Formes solvatées d'un inhibiteur de la tyrosine kinase de bruton
MA41828A (fr) 2015-03-27 2018-01-30 Pharmacyclics Llc Co-cristaux d'un inhibiteur de la tyrosine kinase de bruton
CN113413387A (zh) 2015-05-11 2021-09-21 H.隆德贝克有限公司 治疗炎症或神经性疼痛的方法
JP2018516869A (ja) 2015-05-20 2018-06-28 ティッシュテック，インク． 上皮細胞の増殖および上皮間葉転換を防ぐための組成物および方法
CN108135904A (zh) 2015-08-31 2018-06-08 药品循环有限责任公司 用于治疗多发性骨髓瘤的btk抑制剂组合
US10076650B2 (en) 2015-11-23 2018-09-18 Warsaw Orthopedic, Inc. Enhanced stylet for drug depot injector
WO2017100861A1 (en) 2015-12-16 2017-06-22 The Walter And Eliza Hall Institute Of Medical Research Inhibition of cytokine-induced sh2 protein in nk cells
WO2017125424A1 (en) 2016-01-19 2017-07-27 Janssen Pharmaceutica Nv Formulations/compositions comprising a btk inhibitor
CN108472259A (zh) 2016-01-19 2018-08-31 詹森药业有限公司 包含btk抑制剂的配制品/组合物
TW201733600A (zh) 2016-01-29 2017-10-01 帝聖工業公司 胎兒扶持組織物及使用方法
US10851123B2 (en) 2016-02-23 2020-12-01 Concentric Analgesics, Inc. Prodrugs of phenolic TRPV1 agonists
WO2017176652A2 (en) 2016-04-04 2017-10-12 Sinopia Biosciences, Inc. Treating extrapyramidal syndrome using trapidil
EP3463576A4 (en) 2016-05-25 2020-01-15 Concentric Analgesics, Inc. PRODRUGS BY PHENOLIC TRPV1 AGONISTS IN COMBINATION WITH LOCAL ANESTHETIC AND VASOCONSTRICTORS FOR IMPROVED LOCAL ANESTHESIA
WO2017205766A1 (en) 2016-05-27 2017-11-30 Pharmacyclics Llc Inhibitors of interleukin-1 receptor-associated kinase
WO2017205762A1 (en) 2016-05-27 2017-11-30 Pharmacyclics Llc Inhibitors of interleukin-1 receptor-associated kinase
WO2017205769A1 (en) 2016-05-27 2017-11-30 Pharmacyclics Llc Inhibitors of interleukin-1 receptor-associated kinase
USD802755S1 (en) 2016-06-23 2017-11-14 Warsaw Orthopedic, Inc. Drug pellet cartridge
US11090702B2 (en) * 2016-06-28 2021-08-17 Trustees Of Tufts College Compositions and methods for delivery of active agents
CA3030821A1 (en) 2016-07-18 2018-01-25 Arthrosi Therapeutics, Inc. Compounds, compositions and methods for treating or preventing a symptom associated with gout or hyperuricemia
AU2017314842B9 (en) 2016-08-26 2022-02-10 Curtana Pharmaceuticals, Inc. Inhibition of Olig2 activity
US10434261B2 (en) 2016-11-08 2019-10-08 Warsaw Orthopedic, Inc. Drug pellet delivery system and method
MA46866B1 (fr) 2016-11-16 2021-11-30 H Lundbeck As Une forme cristalline d'un inhibiteur de magl
AU2017361254B2 (en) 2016-11-16 2021-09-23 H. Lundbeck A/S. Pharmaceutical formulations
WO2019046731A1 (en) 2017-09-01 2019-03-07 University Of Washington CRYSTALLINE FORMS OF COMPOUNDS FOR PREVENTING OR TREATING DEATH OF SENSORY CILIC CELLS
WO2019169112A1 (en) 2018-02-28 2019-09-06 Curtana Pharmaceuticals, Inc. Inhibition of olig2 activity
JP2021532183A (ja) 2018-07-27 2021-11-25 コンセントリック アナルジェジクス，インク． フェノール性ｔｒｐｖ１アゴニストのｐｅｇ化プロドラッグ
KR20210117261A (ko) 2018-12-31 2021-09-28 바이오메아 퓨전, 인크. 메닌-mll 상호작용의 비가역적 억제제
CA3133093A1 (en) 2019-03-15 2020-09-24 Unicycive Therapeutics, Inc. Nicorandil derivatives
CN115427403A (zh) 2020-04-21 2022-12-02 H.隆德贝克有限公司 单酰基甘油脂肪酶抑制剂的合成
WO2022133064A1 (en) 2020-12-16 2022-06-23 Biomea Fusion, Inc. Fused pyrimidine compounds as inhibitors of menin-mll interaction
WO2022150525A1 (en) 2021-01-06 2022-07-14 Awakn Life Sciences Mdma in the treatment of alcohol use disorder
CA3218884A1 (en) 2021-05-11 2022-11-17 David Nutt Therapeutic aminoindane compounds and compositions
EP4346788A2 (en) 2021-06-03 2024-04-10 Arcadia Medicine, Inc. Enantiomeric entactogen compositions and methods of their use
AU2022325861A1 (en) 2021-08-11 2024-02-29 Biomea Fusion, Inc. Covalent inhibitors of menin-mll interaction for diabetes mellitus
AU2022331496A1 (en) 2021-08-20 2024-02-29 Biomea Fusion, Inc. Crystalline form of n-[4-[4-(4-morpholinyl)-7h-pyrrolo[2,3-d]pyrimidin-6-yl]phenyl]-4-[[3(r)-[(1-oxo -2-propen-1-yl)amino]-1-piperidinyl]methyl]-2-pyridinecarboxamide, an irreversible menin-mll inhibitor for the treatment of cancer
WO2023028091A1 (en) 2021-08-23 2023-03-02 Alexander Shulgin Research Institute Deuterated empathogens
WO2023027966A1 (en) 2021-08-24 2023-03-02 Biomea Fusion, Inc. Pyrazine compounds as irreversible inhibitors of flt3
WO2023039240A1 (en) 2021-09-13 2023-03-16 Biomea Fusion, Inc. IRREVERSIBLE INHIBITORS OF KRas
WO2023086341A1 (en) 2021-11-09 2023-05-19 Biomea Fusion, Inc. Inhibitors of kras
TW202340177A (zh) 2021-12-30 2023-10-16 美商拜歐米富士恩股份有限公司 作為 flt3抑制劑之吡嗪化合物
WO2023139163A1 (en) 2022-01-19 2023-07-27 Awakn Ls Europe Holdings Limited 1,3-benzodioxole esters and their therapeutic use
WO2023156565A1 (en) 2022-02-16 2023-08-24 Awakn Ls Europe Holdings Limited Bridged ring compounds and their therapeutic use as cns agents
WO2023235618A1 (en) 2022-06-03 2023-12-07 Biomea Fusion, Inc. Fused pyrimidine compounds as inhibitors of menin
WO2024011142A1 (en) 2022-07-06 2024-01-11 Oppilan Pharma Limited Crystalline forms of an s1p receptor modulator
WO2024155719A1 (en) 2023-01-18 2024-07-25 Biomea Fusion, Inc. Crystalline forms of n-[4-[4-(4-morpholinyl)-7h-pyrrolo[2,3-d]pyrimidin-6-yl]phenyl]-4-[[3(r)-[(l-oxo-2-propen-l-yl)amino]-l-piperidinyl]methyl]-2- pyridinecarboxamide as a covalentinhibitor of menin-mll interaction

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH468192A (de) * 1964-06-19 1969-02-15 Ciba Geigy Verfahren zur Herstellung von Arzneimitteln in Perlenform
IT1050353B (it) * 1966-01-06 1981-03-10 Ceskoslovenska Akademie Ved Supporti per sostanze biologigamente attive
US3660563A (en) * 1966-07-26 1972-05-02 Nat Patent Dev Corp Water soluble entrapping of a drug
US3660071A (en) * 1966-07-26 1972-05-02 Nat Patent Dev Corp Water soluble entrapping of a pesticide
US3577512A (en) * 1968-10-11 1971-05-04 Nat Patent Dev Corp Sustained release tablets
US3576760A (en) * 1969-06-13 1971-04-27 Nat Patent Dev Corp Water soluble entrapping
DE2031871C3 (de) * 1970-06-27 1974-06-27 Roehm Gmbh, 6100 Darmstadt Überzugsmasse für Arzneiformen
GB1394990A (en) * 1971-08-12 1975-05-21 Hydrophilics Int Inc Copolymers and compositions containing copolymers
US4056496A (en) * 1972-10-02 1977-11-01 Corneal Sciences, Inc. Hydrogels and articles made therefrom
US4070348A (en) * 1973-07-25 1978-01-24 Rohm Gmbh Water-swellable, bead copolymer
US4178361A (en) * 1973-09-10 1979-12-11 Union Corporation Sustained release pharmaceutical composition
US4007258A (en) * 1973-09-10 1977-02-08 Union Corporation Sustained release pesticidal composition
CH621561A5 (en) * 1974-01-14 1981-02-13 Ceskoslovenska Akademie Ved Process for producing a bromocyan-activated, hydrophilic, polymeric carrier for biologically active compounds in dried form
US3923939A (en) * 1974-06-07 1975-12-02 Alza Corp Process for improving release kinetics of a monolithic drug delivery device
US4177056A (en) * 1974-06-27 1979-12-04 Ciba-Geigy Corporation Water-insoluble hydrophilic copolymers used as carriers for medicaments and pesticides
US4248855A (en) * 1976-08-27 1981-02-03 Hydrophilics International, Inc. Pharmaceutical base salts
US4164560A (en) * 1977-01-05 1979-08-14 Folkman Moses J Systems for the controlled release of macromolecules
US4304591A (en) * 1978-01-25 1981-12-08 Ciba-Geigy Corporation Water-insoluble hydrophilic copolymers used as carriers for medicaments and pesticides
CA1125698A (en) * 1978-03-09 1982-06-15 Masaru Yoshida Process for preparing a polymer composition
US4267295A (en) * 1979-02-09 1981-05-12 Syntex (U.S.A.) Inc. Polymeric compositions and hydrogels formed therefrom
US4357312A (en) * 1981-07-16 1982-11-02 The Children's Hospital Medical Center Method of making prolonged release body
IL70071A (en) * 1982-11-01 1987-12-31 Merrell Dow Pharma Multilayered sustained release pharmaceutical tablets having non-uniform distribution of active ingredient
US4564364A (en) * 1983-05-26 1986-01-14 Alza Corporation Active agent dispenser
GB8319766D0 (en) * 1983-07-22 1983-08-24 Graham N B Controlled release device

Also Published As

Publication number Publication date
EP0164311A2 (en) 1985-12-11
CA1246447A (en) 1988-12-13
ATE61731T1 (de) 1991-04-15
DK205185A (da) 1985-11-11
IL75129A0 (en) 1985-09-29
FI851801L (fi) 1985-11-11
JPS619A (ja) 1986-01-06
ES542948A0 (es) 1986-01-01
ZA853511B (en) 1985-12-24
US4624848A (en) 1986-11-25
NZ212030A (en) 1988-01-08
DK205185D0 (da) 1985-05-09
EP0164311B1 (en) 1991-03-20
EP0164311A3 (en) 1987-06-03
GR851114B (pt) 1985-11-25
ES8603273A1 (es) 1986-01-01
PT80416A (en) 1985-06-01
PH24100A (en) 1990-03-05
DE3582193D1 (de) 1991-04-25
FI851801A0 (fi) 1985-05-08
AU4221685A (en) 1985-11-14
IL75129A (en) 1989-08-15
AU583507B2 (en) 1989-05-04

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