KR930700166A - 생활성 화합물의 방출을 위한 바이오 세라믹 시스템 - Google Patents

생활성 화합물의 방출을 위한 바이오 세라믹 시스템

Info

Publication number
KR930700166A
KR930700166A KR1019920703232A KR920703232A KR930700166A KR 930700166 A KR930700166 A KR 930700166A KR 1019920703232 A KR1019920703232 A KR 1019920703232A KR 920703232 A KR920703232 A KR 920703232A KR 930700166 A KR930700166 A KR 930700166A
Authority
KR
South Korea
Prior art keywords
bioactive
agents
bioceramic
ceramics
hydroxyapatite
Prior art date
Application number
KR1019920703232A
Other languages
English (en)
Inventor
안티 우우노 우올레비 윌리-우르포
해리 고스타 잘로넨
카우코 오이바 안테로 쿠르켈라
Original Assignee
마티 리보넨, 마티 휴리나이넨
오리온 위티머 오위
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 마티 리보넨, 마티 휴리나이넨, 오리온 위티머 오위 filed Critical 마티 리보넨, 마티 휴리나이넨
Publication of KR930700166A publication Critical patent/KR930700166A/ko

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/07Stiffening bandages
    • A61L15/08Stiffening bandages containing inorganic materials, e.g. plaster of Paris
    • 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
    • A61K9/0019Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • A61K9/0024Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue
    • 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
    • A61K9/2009Inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00Compositions for glass with special properties
    • C03C4/0007Compositions for glass with special properties for biologically-compatible glass

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Neurosurgery (AREA)
  • Dermatology (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Pyrane Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Electrotherapy Devices (AREA)
  • Glass Compositions (AREA)

Abstract

내용 없음.

Description

생활성 화합물의 방출을 위한 바이오세라믹 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 SiO2, Na2O 및 CaO의 삼성분계를 나타낸 것이다.

Claims (19)

  1. (i), 수산화인회석 및 (ⅱ), 생활성 유리, 생활성 유리 세라믹 또는 생활성 세라믹으로 이루어지는 생활성 화합물을 방출하는데 적합한 바이오세라믹 시스템.
  2. 제1항에 있어서, 수산화인회석, 생활성 유리, 생활성 유리 세라믹 또는 생활성 세라믹, 및 기질로 이루어지는 바이오세라믹 시스템.
  3. 제2항에 있어서, 기질이 젤라틴, 물, 또는 젤라틴과 물인 바이오세라믹 시스템.
  4. 제2항에 있어서, 기질이 물유리인 바이오세라믹 시스템.
  5. 상기의 청구항중의 어느 하나에 있어서, 수산화인회석 이외 인산칼슘 화합물을 하나 또는 그 이상 더 포함하는 바이오세라믹 시스템.
  6. 적어도 하나 이상의 생활성 화합물과 조합된 제1항 내지 제5항에 있어서의 바이오세라믹 시스템으로 이루어지는 약학적 제제.
  7. 제6항에 있어서, 생활성 화합물이 약제, 단백질 또는 호르몬인 약학적 제제.
  8. 제7항에 있어서, 약재, 단백질 또는 호르몬이 항생제(Antibiotics) 및 항바이러스제(Antiviral agent) 같은 항감염제(Anti-infective), 진통제(Analgesics) 및 진통제 조성물 식욕증진제(Anorexics), 구충제(Antihelminthics), 기생충박멸제 (Paraciticides), 항관절염재(Antiarthritics), 항천식제(Antiasthmatic agents), 진경제(Anticonvulsants), 항울제(Antidepressants), 항당뇨제(Antidiabetic agents), 지사제(Antidiarrheal), 항히스타민제(Antihistamine), 항염증제 (Antiinflammatory agents), 항편두통제제(Antimigraine preparation), 진토제 (Antinauseant) , 항종양제 (Antineoplastic) , 항암제(Anticancer agent), 항소양증제(Antipruritic), 정신질환치료제(Antipsychotic), 해열제(Antipyretic), 진경제(Antispasmodics), 항콜린제(Anticholinergic),교감신경흥분제(Sympathomimetic) , 크산틴 유도체(Xanthine derivative), 심장혈관제제(Cardiovascular preparation), 항부정맥제(Antiarrhythmic), 항고혈압제(Antihypertensive), 이뇨제(Diuretic), 혈관확장제(Vasodilator), 항파킨슨증후군제제(Antiparkinsonism drug)같은 중추신경계용 제제(CNS제제 : Central Nervous System drug), 기침 및 감기약(Cough and cold preparation), 충혈제거제(Decongestant) 에스트라디올 및 다른 스테로이드 제제 (Estradiol and other steroid), 피임약(Contraceptive) , 예방제(Prophylactic agent), 최면제(Hypnotic) , 면역억제제(Immunosuppressive) , 근육이완제(Muscle relaxant) , 부교감신경차단제(Parasympatholytic) , 신경홍분제(Psychostimulant), 진정제(Sedative), 정신안정제(Tranquilizer) 및 인식기능장해제제(Cognitive dysfunction drugs)인 약학적 제제.
  9. 제7항에 있어서, 약제가 셀레진린(Selegiline)인 약학적 제제.
  10. 제7항에 있어서, 약제가 메토트렉세이트(Methotrexate)인 약학적 제제.
  11. 제7항에 있어서, 약제가 니페디핀(Nifedipine)인 약학적 제제.
  12. 제7항에 있어서, 약제가 아티파메졸(Atipamezole)인 약학적 제제.
  13. 상기 항중의 어느 하나에 있어서의 바이오세라믹 시스템 또는 제제로 이루어지는 단일결석헝(Monolithe), 다입자시스템(Multiparticle system), 수염같은 시스템(Whiskers-like system), 섬유시스템(Fibrous system), 정제(Tablet), 알약(Pill), 과립(Granule), 좌제(Suppository) 또는 현탁제(Suspension).
  14. (i), 수산화인회석 및 (ⅱ), 생활성 유리, 생활성 유리 세라믹 및 생활성 세라믹의 적어도 하나, 및 선택적으로 기질을 소결함을 포함하는 제1항 내지 제5항의 어느 하나에 있어서의 바이오세라믹 시스템을 제조하는방법.
  15. 수산화인회석, 생활성 유리, 생활성 유리 세라믹 및 생활성 세라믹의 적어도 하나, 및 선택적으로 기질의 조합을 압축한 다음 압축된 조성물을 소결함을 포함하는 제1항 내지 제5항의 어느 하나에 있어서의 바이오세라믹 시스템을 제조하는 방법.
  16. 제14항 또는 제15항에 따라 바이오세라믹 시스템을 제조하고 그 시스템에 생활성 화합물의 주입하는 것을 포함하는 제6항 내지 제12항의 어느 하나에 있어서의 제제를 생산하는 방법.
  17. 생활성화합물, 수산화인회석, 및 생활성 유리, 생활성 유리 세라믹 및 생활성 세라믹의 적어도 하나, 및 선택적으로 기질을 화합시키고, 이 조합을 압축함을 포함하는 제6항 내지 제12항의 어느 하나에 있어서의 제제를 제조하는 방법.
  18. 제6항 내지 제12항의 어느 하나에 있어서의 제제 또는 제13항에 있어서의 단일결석형(Monolithe), 다입자시스템(Multiparticle system), 수염같은 시스템(Whiskers-like system), 섬유시스템(Fibrous system), 정제(Tablet), 알약(Pill), 과립(Granule), 좌제(Suppository) 또는 현탁제(Suspension)를 투여함을 포함하는 그러한 투여가 요구되는 대상물에 생활성 화합물을 투여하는 방법.
  19. 상기 항중의 어느 하나에 있어서의 바이오세라믹 시스템 또는 제제를 삽입물로 투여하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920703232A 1990-06-25 1991-06-24 생활성 화합물의 방출을 위한 바이오 세라믹 시스템 KR930700166A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9014052A GB2245559A (en) 1990-06-25 1990-06-25 Bioceramic system for delivery of a bioactive compound.
GB9014052.6 1990-06-25
PCT/FI1991/000196 WO1992000109A1 (en) 1990-06-25 1991-06-24 Bioceramic system for delivery of bioactive compounds

Publications (1)

Publication Number Publication Date
KR930700166A true KR930700166A (ko) 1993-03-13

Family

ID=10678130

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920703232A KR930700166A (ko) 1990-06-25 1991-06-24 생활성 화합물의 방출을 위한 바이오 세라믹 시스템

Country Status (17)

Country Link
US (1) US5762950A (ko)
EP (1) EP0536179B1 (ko)
JP (1) JPH05507867A (ko)
KR (1) KR930700166A (ko)
AT (1) ATE161737T1 (ko)
AU (1) AU652945B2 (ko)
DE (1) DE69128621T2 (ko)
FI (1) FI925845A0 (ko)
GB (1) GB2245559A (ko)
HU (1) HUT64214A (ko)
IE (1) IE912191A1 (ko)
NZ (1) NZ238675A (ko)
PL (2) PL166849B1 (ko)
PT (1) PT98080B (ko)
SK (1) SK377792A3 (ko)
WO (1) WO1992000109A1 (ko)
ZA (1) ZA914839B (ko)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5817336A (en) * 1993-04-02 1998-10-06 Orion-Yhtyma Oy Composition containing selegiline
GB2280604B (en) * 1993-07-02 1997-04-30 Resource Medical Limited Processing of active agents
US5851993A (en) * 1994-06-13 1998-12-22 Biotie Therapies Ltd. Suppression of tumor cell growth by syndecan-1 ectodomain
US6027742A (en) 1995-05-19 2000-02-22 Etex Corporation Bioresorbable ceramic composites
US6287341B1 (en) 1995-05-19 2001-09-11 Etex Corporation Orthopedic and dental ceramic implants
US6132463A (en) 1995-05-19 2000-10-17 Etex Corporation Cell seeding of ceramic compositions
AU771272B2 (en) * 1995-06-13 2004-03-18 Zahra Mansouri Methods of delivering materials into the skin and compositions used therein
US6096324A (en) * 1995-06-13 2000-08-01 Laboratory Skin Care Methods of delivering materials into the skin, and compositions used therein
US6579516B1 (en) * 1995-06-13 2003-06-17 Zahra Mansouri Methods of delivering materials into the skin, and compositions used therein
US5981412A (en) * 1996-05-01 1999-11-09 University Of Florida Research Foundation Bioactive ceramics and method of preparing bioactive ceramics
CA2268156C (en) * 1996-10-16 2007-05-29 Etex Corporation Bioceramic compositions
FI103715B (fi) * 1997-04-21 1999-08-31 Vivoxid Oy Uusi komposiitti ja sen käyttö
TW496741B (en) * 1998-03-12 2002-08-01 Dept Of Health R O C Radioactive particles and method for producing the same
CN1360491A (zh) * 1999-07-09 2002-07-24 肖特玻璃制造厂 用于易腐制剂,特别是化妆和药物制剂的防腐剂
GB9919283D0 (en) * 1999-08-14 1999-10-20 Algar Brian A glass composition
US7323160B2 (en) * 1999-08-14 2008-01-29 Teldent Ltd. Method of treating a patient's teeth using fluoride releasing glass composition
US6495168B2 (en) 2000-03-24 2002-12-17 Ustherapeutics, Llc Nutritional supplements formulated from bioactive materials
ES2287110T3 (es) * 2000-04-11 2007-12-16 Sankyo Company, Limited Composicion farmaceutica estabilizada que contiene un bloqueador de calcio consistente en azelnidipina.
US6746661B2 (en) * 2000-11-16 2004-06-08 Microspherix Llc Brachytherapy seed
JP2006500115A (ja) * 2000-11-16 2006-01-05 マイクロスフエリツクス・エル・エル・シー 密封小線源治療用の可撓性および/または弾性シードまたはストランド
US20020114795A1 (en) 2000-12-22 2002-08-22 Thorne Kevin J. Composition and process for bone growth and repair
US8168208B1 (en) * 2002-06-03 2012-05-01 Ahmed El-Ghannam Silica-calcium phosphate bioactive composite for improved synthetic graft resorbability and tissue regeneration
FR2842187A1 (fr) * 2002-07-15 2004-01-16 Pentax Corp Verre biologiquement actif a base de cao-sio2 et verre au phosphate de calcuim fritte l'utilisant
DE10307646B3 (de) 2003-02-21 2004-10-21 Ivoclar Vivadent Ag Bioaktive Rhenanit-Glaskeramik, Verfahren zu ihrer Herstellung und ihre Verwendung
US20040180091A1 (en) * 2003-03-13 2004-09-16 Chang-Yi Lin Carbonated hydroxyapatite-based microspherical composites for biomedical uses
PL196544B1 (pl) * 2003-08-08 2008-01-31 Biovail Lab Int Srl Tabletka o zmodyfikowanym uwalnianiu
EP1811944B1 (en) 2004-11-16 2010-09-08 3M Innovative Properties Company Compositions including a caseinate treated dental filler
CN101098673B (zh) * 2004-11-16 2012-02-29 3M创新有限公司 包括磷酸盐的牙科填料和组合物
CN101115459B (zh) 2004-11-16 2012-03-21 3M创新有限公司 包括含磷表面处理的牙科填料
EP2401997B1 (en) 2004-11-16 2016-08-24 3M Innovative Properties Company Dental compositions with calcium phosphorus releasing glass
EP1909859B1 (en) * 2005-07-21 2017-09-06 aap Biomaterials GmbH Method for producing hydroxyapatite particles, in particular subnanodisperse hydroxyapatite particles in a matrix
US7736293B2 (en) * 2005-07-22 2010-06-15 Biocompatibles Uk Limited Implants for use in brachytherapy and other radiation therapy that resist migration and rotation
US8187159B2 (en) 2005-07-22 2012-05-29 Biocompatibles, UK Therapeutic member including a rail used in brachytherapy and other radiation therapy
TW200736245A (en) * 2005-11-29 2007-10-01 Sankyo Co Acid addition salts of optically active dihydropyridine derivatives
TW200806648A (en) * 2005-11-29 2008-02-01 Sankyo Co Acid addition salts of dihydropyridine derivatives
US20080241256A1 (en) * 2007-03-30 2008-10-02 Liisa Kuhn Targeted active agent delivery system based on calcium phosphate nanoparticles
EP2229130A2 (en) * 2007-12-13 2010-09-22 3M Innovative Properties Company Remineralizing compositions and methods
US8790707B2 (en) * 2008-12-11 2014-07-29 3M Innovative Properties Company Surface-treated calcium phosphate particles suitable for oral care and dental compositions
CN103006700B (zh) * 2011-09-20 2016-08-17 常州倍尔生生物科技有限公司 pH缓冲生物活性玻璃及其制备方法和用途
US11896612B2 (en) * 2019-03-29 2024-02-13 Board Of Trustees Of Michigan State University Resurrection of antibiotics that MRSA resists by silver-doped bioactive glass-ceramic particles
WO2023187225A1 (en) * 2022-04-01 2023-10-05 Amplicon Ab Alkaline intraoral products

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135935A (en) * 1973-09-17 1979-01-23 Ernst Leitz Wetzlar Gmbh Sintered composite material, a process of making same, and a method of using same
DE2501683C3 (de) * 1975-01-17 1979-11-29 Ernst Leitz Wetzlar Gmbh, 6300 Wetzlar Polymeres Verbundmaterial für prothetische Zwecke und Verfahren zu seiner Herstellung
CH595293A5 (ko) * 1975-02-20 1978-02-15 Battelle Memorial Institute
JPS5839533B2 (ja) * 1975-12-30 1983-08-30 住友化学工業株式会社 インプラントノセイゾウホウホウ
US4334029A (en) * 1980-01-09 1982-06-08 Mizusawa Kazahu Kogyo Kabushiki Kaisha Unfired refractory composition
JPS59101145A (ja) * 1982-11-30 1984-06-11 日本特殊陶業株式会社 薬液含浸多孔質セラミツクス
GB8331661D0 (en) * 1983-11-26 1984-01-04 Standard Telephones Cables Ltd Water soluble glass composition
US4655777A (en) * 1983-12-19 1987-04-07 Southern Research Institute Method of producing biodegradable prosthesis and products therefrom
JPS60186455A (ja) * 1984-03-06 1985-09-21 株式会社ニコン アパタイトコンポジツトセラミクス
CH665357A5 (de) * 1985-07-05 1988-05-13 Werther Lusuardi Knochenzement.
JPS6272540A (ja) * 1985-09-26 1987-04-03 Nippon Electric Glass Co Ltd 無アルカリ生体用結晶化ガラスとその製造方法
US4780450A (en) * 1985-12-20 1988-10-25 The University Of Maryland At Baltimore Physically stable composition and method of use thereof for osseous repair
EP0261593B1 (en) * 1986-09-24 1992-08-26 Lion Corporation Method of producing a bioactive glass or glass ceramic precurser gel
JPS6456056A (en) * 1987-08-26 1989-03-02 Dental Chem Co Ltd Hydroxyapatite bone filling material
JPH01172240A (ja) * 1987-12-26 1989-07-07 Central Glass Co Ltd 斑状模様入ガラス質焼成体およびその製法
JPH01265969A (ja) * 1988-04-19 1989-10-24 Asahi Glass Co Ltd 生体用材料及びその製造方法
JPH01275765A (ja) * 1988-04-28 1989-11-06 Seiko Epson Corp インプラント材の製造方法
JPH0629126B2 (ja) * 1989-03-29 1994-04-20 京都大学長 生体活性水酸アパタイト膜のコーティング法
US5356436A (en) * 1989-06-06 1994-10-18 Tdk Corporation Materials for living hard tissue replacements
US5232878A (en) * 1989-06-30 1993-08-03 Hoya Corporation Process for producing inorganic biomaterial
FR2651439B1 (fr) * 1989-09-06 1994-09-23 Fbfc International Sa Nv Materiau bioreactif pour prothese ou implants composites.
DD291982A5 (de) * 1990-02-12 1991-07-18 ���������`��������`����@����k�� Apatitglaskeramik, vorzugsweise fuer dentale glasionomerzemente
US5443832A (en) * 1990-04-16 1995-08-22 Institut Swisse De Recherches Experimentales Sur Le Cancer Hydroxyapatite-antigen conjugates and methods for generating a poly-Ig immune response
US5074916A (en) * 1990-05-18 1991-12-24 Geltech, Inc. Alkali-free bioactive sol-gel compositions
US5364839A (en) * 1990-06-18 1994-11-15 Genetics Institute, Inc. Osteoinductive pharmaceutical formulations
US5262166A (en) * 1991-04-17 1993-11-16 Lty Medical Inc Resorbable bioactive phosphate containing cements

Also Published As

Publication number Publication date
PL166919B1 (pl) 1995-07-31
ZA914839B (en) 1992-04-29
DE69128621D1 (de) 1998-02-12
HUT64214A (en) 1993-12-28
US5762950A (en) 1998-06-09
EP0536179A1 (en) 1993-04-14
FI925845A (fi) 1992-12-23
PT98080A (pt) 1992-04-30
ATE161737T1 (de) 1998-01-15
JPH05507867A (ja) 1993-11-11
NZ238675A (en) 1993-04-28
AU652945B2 (en) 1994-09-15
SK377792A3 (en) 1995-01-05
FI925845A0 (fi) 1992-12-23
PL166849B1 (pl) 1995-06-30
EP0536179B1 (en) 1998-01-07
DE69128621T2 (de) 1998-05-07
AU8082391A (en) 1992-01-23
WO1992000109A1 (en) 1992-01-09
IE912191A1 (en) 1992-01-01
GB2245559A (en) 1992-01-08
GB9014052D0 (en) 1990-08-15
PT98080B (pt) 1998-11-30

Similar Documents

Publication Publication Date Title
KR930700166A (ko) 생활성 화합물의 방출을 위한 바이오 세라믹 시스템
US3344029A (en) Sustained release composition
GR3022337T3 (en) Therapeutical composition and process for its preparation.
ATE206304T1 (de) Bioadhesive feste arzneimittelform
CA2081709A1 (en) Controlled release pharmaceutical compositions
AU6764390A (en) Pharmaceutical granules and drug dosage units made therefrom
GB2213484B (en) New derivatives of 17beta-oh 19-nor steroids substituted in the 17 alpha position, their preparation, their use as medicaments and pharmaceutical compositions
AU3345197A (en) Stable drug form for oral administration with benzimidazole derivatives as active ingredient and process for the preparation thereof
PL315685A1 (en) Readily dissolving drug form for oral administration
AU2923389A (en) A pharmaceutical composition
IL82065A0 (en) Pellet-containing delayed release pharmaceutical and veterinary composition and its preparation
DE69428455D1 (de) Verfahren zur herstellung von niedrigdosierten arzneimitteln
GB1340921A (en) Pharmaceutical composition
CA2086095A1 (en) Bioceramic system for delivery of bioactive compounds
CZ377792A3 (en) bio-ceramic system for bio-active compounds release

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid