AU774288B2 - Bioactive, degradable composite for tissue engineering - Google Patents

Bioactive, degradable composite for tissue engineering Download PDF

Info

Publication number
AU774288B2
AU774288B2 AU32623/01A AU3262301A AU774288B2 AU 774288 B2 AU774288 B2 AU 774288B2 AU 32623/01 A AU32623/01 A AU 32623/01A AU 3262301 A AU3262301 A AU 3262301A AU 774288 B2 AU774288 B2 AU 774288B2
Authority
AU
Australia
Prior art keywords
composite material
bioactive
degradable
microspheres
degradable composite
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU32623/01A
Other languages
English (en)
Other versions
AU3262301A (en
Inventor
Portonovo S. Ayyaswamy
Paul Ducheyne
Qing-Qing Qui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Pennsylvania Penn
Original Assignee
University of Pennsylvania Penn
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 University of Pennsylvania Penn filed Critical University of Pennsylvania Penn
Publication of AU3262301A publication Critical patent/AU3262301A/en
Application granted granted Critical
Publication of AU774288B2 publication Critical patent/AU774288B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/28Materials for coating prostheses
    • A61L27/30Inorganic materials
    • A61L27/32Phosphorus-containing materials, e.g. apatite
    • 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L27/446Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46
    • 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
    • C03C12/00Powdered glass; Bead compositions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/28Bones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006Properties of materials and coating materials
    • A61F2002/30062(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30667Features concerning an interaction with the environment or a particular use of the prosthesis
    • A61F2002/30677Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2210/00Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00179Ceramics or ceramic-like structures
    • A61F2310/00293Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Dermatology (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Materials For Medical Uses (AREA)
  • Medicinal Preparation (AREA)
AU32623/01A 1999-11-12 2000-11-10 Bioactive, degradable composite for tissue engineering Ceased AU774288B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/439,183 US6328990B1 (en) 1999-11-12 1999-11-12 Bioactive, degradable composite for tissue engineering
US09/439183 1999-11-12
PCT/US2000/030947 WO2001034060A1 (en) 1999-11-12 2000-11-10 Bioactive, degradable composite for tissue engineering

Publications (2)

Publication Number Publication Date
AU3262301A AU3262301A (en) 2001-06-06
AU774288B2 true AU774288B2 (en) 2004-06-24

Family

ID=23743660

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32623/01A Ceased AU774288B2 (en) 1999-11-12 2000-11-10 Bioactive, degradable composite for tissue engineering

Country Status (8)

Country Link
US (1) US6328990B1 (OSRAM)
EP (1) EP1233721B1 (OSRAM)
JP (1) JP2003513701A (OSRAM)
AT (1) ATE290351T1 (OSRAM)
AU (1) AU774288B2 (OSRAM)
CA (1) CA2391232A1 (OSRAM)
DE (1) DE60018600T2 (OSRAM)
WO (1) WO2001034060A1 (OSRAM)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020155559A1 (en) * 2001-01-17 2002-10-24 Laurencin Cato T. Biocompatible, biodegradable polymer-based, lighter than or light as water scaffolds for tissue engineering and methods for preparation and use thereof
AU2002258637A1 (en) 2001-03-27 2002-10-08 Board Of Regents The University Of Texas System Biodegradable, electrically conductiong polymer for tissue engineering applications
CN1294885C (zh) * 2001-06-05 2007-01-17 江苏阳生生物工程有限公司 人体骨组织生物工程支架制品及其制备方法和用途
EP1408876A4 (en) 2001-06-22 2004-09-22 Durect Corp ZERO ORDER COAXIAL IMPLANTS WITH EXTENDED RELEASE
US20030220692A1 (en) * 2002-02-09 2003-11-27 Shapiro Irving M. Preparations of nucleus pulposus cells and methods for their generation, identification, and use
US8580291B2 (en) * 2002-03-15 2013-11-12 The Trustees Of The University Of Pennsylvania Fibrous composite for tissue engineering
US8337893B2 (en) * 2002-07-10 2012-12-25 Florida Research Foundation, Inc, University Of Sol-gel derived bioactive glass polymer composite
US7066962B2 (en) * 2002-07-23 2006-06-27 Porex Surgical, Inc. Composite surgical implant made from macroporous synthetic resin and bioglass particles
US20060140914A1 (en) * 2002-10-31 2006-06-29 The General Hospital Corporation Repairing or replacing tissues or organs
TW200507826A (en) * 2003-02-12 2005-03-01 Ceremed Inc Random alkylene oxide copolymers for medical and surgical utilities
US7651682B2 (en) * 2003-10-29 2010-01-26 Gentis, Inc. Polymerizable emulsions for tissue engineering
US8012210B2 (en) 2004-01-16 2011-09-06 Warsaw Orthopedic, Inc. Implant frames for use with settable materials and related methods of use
CA2557231C (en) * 2004-03-05 2013-12-31 The Trustees Of Columbia University In The City Of New York Multi-phased, biodegradable and osteointegrative composite scaffold for biological fixation of musculoskeletal soft tissue to bone
US7189409B2 (en) * 2004-03-09 2007-03-13 Inion Ltd. Bone grafting material, method and implant
JP2006101986A (ja) * 2004-10-01 2006-04-20 Olympus Corp 球状セラミックス粒子の製造方法、細胞の播種方法および生体組織補填体の製造方法
WO2006137787A1 (en) * 2005-06-21 2006-12-28 Ge Healthcare Bio-Sciences Ab Method for cell culture
US20070148251A1 (en) 2005-12-22 2007-06-28 Hossainy Syed F A Nanoparticle releasing medical devices
AU2007207429A1 (en) 2006-01-19 2007-07-26 Warsaw Orthopedic, Inc. Injectable and moldable bone substitute materials
EP1976459A4 (en) 2006-01-19 2012-06-20 Warsaw Orthopedic Inc POROUS BONE IMPLANT
US20070249044A1 (en) * 2006-01-30 2007-10-25 University Of Illinois At Chicago Microstructures in three dimensional gel suspensions for growth of cells
AU2007232187A1 (en) * 2006-03-31 2007-10-11 Csir Bulking of soft tissue
US20080081362A1 (en) * 2006-09-29 2008-04-03 Daniel Keeley Multilayered Composite for Organ Augmentation and Repair
US20080119927A1 (en) * 2006-11-17 2008-05-22 Medtronic Vascular, Inc. Stent Coating Including Therapeutic Biodegradable Glass, and Method of Making
CN101200532B (zh) * 2006-12-12 2011-04-27 上海杰事杰新材料股份有限公司 高分子量聚己内酯等可生物降解材料中空球的制备方法
US8753391B2 (en) 2007-02-12 2014-06-17 The Trustees Of Columbia University In The City Of New York Fully synthetic implantable multi-phased scaffold
US20100143439A1 (en) * 2007-04-16 2010-06-10 University Of Toledo Hybrid Biomimetic Particles, Methods of Making Same and Uses Therefor
JP5280432B2 (ja) * 2007-04-27 2013-09-04 ヒュンジン ヤン 比重の増加した細胞培養用支持体及びその製造方法
AU2008252907A1 (en) * 2007-05-22 2008-11-27 Cinvention Ag Partially degradable scaffolds for biomedical applications
DE102007031945A1 (de) * 2007-07-06 2009-01-08 Resoimplant Gmbh Bioresorbierbares Implantat
EP2679672B1 (en) 2007-07-12 2016-11-30 Discgenics Human disc tissue
US8591933B2 (en) * 2007-07-18 2013-11-26 The Board Of Trustees Of The University Of Illinois Temporal release of growth factors from 3D micro rod scaffolds for tissue regeneration
CA2791716C (en) 2010-03-03 2020-08-18 Novabone Products, Llc Devices and methods for the regeneration of bony defects
US9144629B2 (en) 2010-03-03 2015-09-29 Novabone Products, Llc Ionically crosslinked materials and methods for production
WO2015147923A1 (en) 2010-03-03 2015-10-01 Novabone Products, Llc Kit for delivering bone grafting materials
US10646514B2 (en) 2013-03-14 2020-05-12 Novabone Products, Llc Processing methods of solgel-derived bioactive glass-ceramic compositions and methods of using the same
WO2014169249A1 (en) 2013-04-12 2014-10-16 The Trustees Of Columbia University In The City Of New York Methods for host cell homing and dental pulp regeneration
US10647962B2 (en) 2016-05-27 2020-05-12 Corning Incorporated Bioactive aluminoborate glasses
US10751367B2 (en) * 2016-05-27 2020-08-25 Corning Incorporated Bioactive glass microspheres
US20170342383A1 (en) 2016-05-27 2017-11-30 Corning Incorporated Lithium disilicate glass-ceramic compositions and methods thereof
US10676713B2 (en) 2016-05-27 2020-06-09 Corning Incorporated Bioactive borophosphate glasses
FI3522944T3 (fi) * 2016-10-05 2024-06-17 Bonalive Biomaterials Oy Luuimplantti
TWI794344B (zh) 2017-11-28 2023-03-01 美商康寧公司 經化學強化之生物活性玻璃陶瓷
EP3717030A1 (en) 2017-11-28 2020-10-07 Corning Incorporated Bioactive glass compositions and dentin hypersensitivity remediation
EP3717428A1 (en) 2017-11-28 2020-10-07 Corning Incorporated Bioactive borate glass and methods thereof
EP3717427A1 (en) 2017-11-28 2020-10-07 Corning Incorporated High liquidus viscosity bioactive glass
CN108283729B (zh) * 2018-01-31 2020-06-26 北京化工大学 具有可控镁离子释放行为的可注射骨修复材料及其制备方法
CN109265942B (zh) * 2018-08-16 2021-10-19 张海军 一种聚乳酸微球及其制备方法与应用
CN109331223B (zh) * 2018-09-25 2021-07-30 广州润虹医药科技股份有限公司 一种载药生物活性玻璃复合磷酸钙骨水泥及其应用

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964807A (en) * 1996-08-08 1999-10-12 Trustees Of The University Of Pennsylvania Compositions and methods for intervertebral disc reformation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2651320B2 (ja) * 1992-07-16 1997-09-10 田辺製薬株式会社 徐放性マイクロスフェア製剤の製造方法
US5626861A (en) * 1994-04-01 1997-05-06 Massachusetts Institute Of Technology Polymeric-hydroxyapatite bone composite
CN1301756C (zh) * 1995-09-14 2007-02-28 多喜兰株式会社 可用于骨接合术和复合植入物的材料及其制备方法
US6224913B1 (en) * 1996-05-09 2001-05-01 The Trustees Of The University Of Pennsylvania Conditioning of bioactive glass surfaces in protein containing solutions
JP3451417B2 (ja) * 1996-08-12 2003-09-29 タキロン株式会社 バイオセラミックス含有セル構造体とその製造方法
US5977204A (en) * 1997-04-11 1999-11-02 Osteobiologics, Inc. Biodegradable implant material comprising bioactive ceramic
US5972384A (en) * 1997-10-01 1999-10-26 University Of Maryland, Baltimore Use of biologically active glass as a drug delivery system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964807A (en) * 1996-08-08 1999-10-12 Trustees Of The University Of Pennsylvania Compositions and methods for intervertebral disc reformation

Also Published As

Publication number Publication date
DE60018600D1 (de) 2005-04-14
AU3262301A (en) 2001-06-06
EP1233721A1 (en) 2002-08-28
US6328990B1 (en) 2001-12-11
ATE290351T1 (de) 2005-03-15
EP1233721B1 (en) 2005-03-09
JP2003513701A (ja) 2003-04-15
DE60018600T2 (de) 2005-07-28
EP1233721A4 (en) 2003-07-23
CA2391232A1 (en) 2001-05-17
WO2001034060A1 (en) 2001-05-17

Similar Documents

Publication Publication Date Title
AU774288B2 (en) Bioactive, degradable composite for tissue engineering
Lee et al. Bioactivity improvement of poly (ε-caprolactone) membrane with the addition of nanofibrous bioactive glass
Qiu et al. New bioactive, degradable composite microspheres as tissue engineering substrates
Lee et al. Membrane of hybrid chitosan–silica xerogel for guided bone regeneration
Boccaccini et al. A composites approach to tissue engineering
Juhasz et al. Bioactive ceramics: processing, structures and properties
Murphy et al. Growth of continuous bonelike mineral within porous poly (lactide‐co‐glycolide) scaffolds in vitro
Shirtliff et al. Bioactive materials for tissue engineering, regeneration and repair
Leonor et al. Growth of a bonelike apatite on chitosan microparticles after a calcium silicate treatment
Hammouche et al. Biodegradable bone regeneration synthetic scaffolds: in tissue engineering
Islam et al. Excellency of Hydroxyapatite Composite Scaffolds for Bone
Oudadesse et al. Chitosan effects on glass matrices evaluated by biomaterial. MAS-NMR and biological investigations
Vijayakumar et al. Optimization of metal ion/fuel ratio for an effective combustion of monticellite and investigation of its microbial and hemolytic activity for biomedical applications
John et al. Ceramic nanomaterials: Preparation and applications in osteoporosis and bone tissue regeneration
US20050177247A1 (en) Orthopaedic scaffolds for tissue engineering
Sadat-Shojai 1 Calcium Phosphate–Reinforced Polyester Nanocomposites for Bone Regeneration
Boccaccini et al. Biodegradable and bioactive polymer/Bioglass® composite foams for tissue engineering scaffolds
Shi et al. Yolk shell nanocomposite particles as bioactive bone fillers and growth factor carriers
Bui et al. Microspheres of chitosan-bioactive glass for application in orthopedic surgery. In vitro experiment
Chen et al. Flexible organic–inorganic hybrid bioceramic for bone tissue regeneration
Allo et al. ISSN 2079-4983 www. mdpi. com/journal/jfb
Mohamed Medical Bioceamic Materials
Mutlu et al. Bioactive Glasses/Polylactic Acid for Bone Tissue Engineering
Allo Sol-Gel Derived Biodegradable and Bioactive Organic-Inorganic Hybrid Biomaterials for Bone Tissue Engineering
de Almeida Cruz et al. Nanoceramic materials for bone regeneration: a systematic review in animal experimental studies

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)