NO332315B1 - Bionedbrytbar biomedisinsk polyuretan med faseseparert morfologi, fremgangsmate for fremstilling derav og anvendelse derav i menisk rekonstruksjon - Google Patents

Bionedbrytbar biomedisinsk polyuretan med faseseparert morfologi, fremgangsmate for fremstilling derav og anvendelse derav i menisk rekonstruksjon Download PDF

Info

Publication number
NO332315B1
NO332315B1 NO20006180A NO20006180A NO332315B1 NO 332315 B1 NO332315 B1 NO 332315B1 NO 20006180 A NO20006180 A NO 20006180A NO 20006180 A NO20006180 A NO 20006180A NO 332315 B1 NO332315 B1 NO 332315B1
Authority
NO
Norway
Prior art keywords
polyester
polyurethane
polyurethane according
diisocyanate
diol
Prior art date
Application number
NO20006180A
Other languages
English (en)
Norwegian (no)
Other versions
NO20006180L (no
NO20006180D0 (no
Inventor
Coenraad Jan Spaans
Jacqueline Hermina De Groot
Folkert Gerhardus Dekens
Albert Johan Pennings
Original Assignee
Polyganics Bv
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 Polyganics Bv filed Critical Polyganics Bv
Publication of NO20006180D0 publication Critical patent/NO20006180D0/no
Publication of NO20006180L publication Critical patent/NO20006180L/no
Publication of NO332315B1 publication Critical patent/NO332315B1/no

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
    • C08G18/8016Masked aliphatic or cycloaliphatic polyisocyanates
    • 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
    • A61L27/14Macromolecular materials
    • A61L27/18Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/507Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials for artificial blood vessels
    • 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
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/56Porous materials, e.g. foams or sponges
    • 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
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/60Materials for use in artificial skin
    • 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
    • C08G18/30Low-molecular-weight compounds
    • C08G18/32Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203Polyhydroxy compounds
    • C08G18/3206Polyhydroxy compounds aliphatic
    • 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
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4266Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
    • C08G18/4269Lactones
    • C08G18/4277Caprolactone and/or substituted caprolactone
    • 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
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4266Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
    • C08G18/428Lactides
    • 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
    • C08G18/73Polyisocyanates or polyisothiocyanates acyclic
    • 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
    • C08G2230/00Compositions for preparing biodegradable polymers

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Transplantation (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dermatology (AREA)
  • Vascular Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Materials For Medical Uses (AREA)
  • Polyurethanes Or Polyureas (AREA)
NO20006180A 1998-06-05 2000-12-05 Bionedbrytbar biomedisinsk polyuretan med faseseparert morfologi, fremgangsmate for fremstilling derav og anvendelse derav i menisk rekonstruksjon NO332315B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98201868 1998-06-05
PCT/NL1999/000352 WO1999064491A1 (en) 1998-06-05 1999-06-04 Biomedical polyurethane, its preparation and use

Publications (3)

Publication Number Publication Date
NO20006180D0 NO20006180D0 (no) 2000-12-05
NO20006180L NO20006180L (no) 2001-01-22
NO332315B1 true NO332315B1 (no) 2012-08-27

Family

ID=8233784

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20006180A NO332315B1 (no) 1998-06-05 2000-12-05 Bionedbrytbar biomedisinsk polyuretan med faseseparert morfologi, fremgangsmate for fremstilling derav og anvendelse derav i menisk rekonstruksjon

Country Status (15)

Country Link
US (1) US6784273B1 (https=)
EP (2) EP1308473A1 (https=)
JP (1) JP4335448B2 (https=)
AT (1) ATE254636T1 (https=)
AU (1) AU756740B2 (https=)
BR (1) BR9910968B1 (https=)
CA (1) CA2334110C (https=)
DE (1) DE69912956T2 (https=)
ES (1) ES2212602T3 (https=)
ID (1) ID28196A (https=)
IL (2) IL140049A0 (https=)
NO (1) NO332315B1 (https=)
NZ (1) NZ508907A (https=)
WO (1) WO1999064491A1 (https=)
ZA (1) ZA200007439B (https=)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526106C2 (sv) * 2002-06-20 2005-07-05 Artimplant Ab Linjär blockpolymer samt fiber, film, poröst material och implantat innefattande polymeren
EP1382628A1 (en) * 2002-07-16 2004-01-21 Polyganics B.V. Biodegradable phase separated segmented/block co-polyesters
US20060216267A1 (en) * 2002-08-20 2006-09-28 Kovacs Stephen G Hydrophobic elastomeric polymer chemistry device for inhibiting the growth of onychomycosis and urushiol-induced allergic contact dermatitis
WO2004078023A2 (en) * 2002-10-23 2004-09-16 The Biomerix Corporation Aneurysm treatment devices and methods
EP1581268B1 (en) 2003-01-09 2011-05-04 Polyganics B.V. Biomedical foams
EP2570440A3 (en) 2003-02-19 2014-06-11 Orteq B.V. Method for the preparation of new segmented polyurethanes with high tear and tensile strengths and method for making porous scaffolds
JP2007521843A (ja) 2003-05-15 2007-08-09 バイオメリクス コーポレーション 網状化エラストマー系マトリックス、その製造、及び移植可能な装置における使用
US7763077B2 (en) 2003-12-24 2010-07-27 Biomerix Corporation Repair of spinal annular defects and annulo-nucleoplasty regeneration
WO2006009443A1 (en) * 2004-07-21 2006-01-26 Stichting Voor De Technische Wetenschappen Polyacylurethanes based on diisocyanates and polyesterpolyols
US20060135725A1 (en) * 2004-12-21 2006-06-22 Scimed Life Systems, Inc. New balloon materials
JP4870071B2 (ja) * 2005-03-18 2012-02-08 三井化学株式会社 生分解性を有する水環境応答型ポリマー、その製造方法および水崩壊性材料
EP2066716A1 (en) * 2006-09-29 2009-06-10 Futerro S.A. Process for producing polylactide-urethane copolymers
WO2008122044A2 (en) * 2007-04-02 2008-10-09 Georgia Tech Research Corporation Implantable device for communicating with biological tissue
US8182647B2 (en) * 2007-07-23 2012-05-22 Cohera Medical, Inc. Hydrophilic biodegradable adhesives
US20090035350A1 (en) 2007-08-03 2009-02-05 John Stankus Polymers for implantable devices exhibiting shape-memory effects
US8771725B2 (en) 2007-10-12 2014-07-08 Chesson Laboratory Associates, Inc. Poly(urea-urethane) compositions useful as topical medicaments and methods of using the same
US20090123519A1 (en) * 2007-11-12 2009-05-14 Surmodics, Inc. Swellable hydrogel matrix and methods
US20090226531A1 (en) * 2008-03-07 2009-09-10 Allergan, Inc. Methods and composition for intraocular delivery of therapeutic sirna
US9259515B2 (en) * 2008-04-10 2016-02-16 Abbott Cardiovascular Systems Inc. Implantable medical devices fabricated from polyurethanes with grafted radiopaque groups
US20110105635A1 (en) * 2008-05-19 2011-05-05 Orteq B.V. Polyurethane foam for use in medical implants
US9050176B2 (en) 2009-04-03 2015-06-09 Biomerix Corporation At least partially resorbable reticulated elastomeric matrix elements and methods of making same
EP2413838A4 (en) * 2009-04-03 2012-09-19 Biomerix Corp AT LEAST PARTIALLY RESORBIBLE RETICULATED ELASTOMER MATRIX PARTICLES AND PRODUCTION METHOD
US20110319987A1 (en) 2009-05-20 2011-12-29 Arsenal Medical Medical implant
GB2475778B (en) * 2009-05-20 2013-03-13 Arsenal Medical Inc Medical implant
US8137396B2 (en) 2009-05-20 2012-03-20 480 Biomedical, Inc Medical implant
US9309347B2 (en) 2009-05-20 2016-04-12 Biomedical, Inc. Bioresorbable thermoset polyester/urethane elastomers
US8992601B2 (en) 2009-05-20 2015-03-31 480 Biomedical, Inc. Medical implants
NL2002931C2 (en) 2009-05-27 2010-11-30 Polyganics Bv HEMOSTATIC FOAMS.
GB201110601D0 (en) 2011-06-23 2011-08-03 Controlled Therapeutics Scotland Ltd Improved bioresorbable
WO2013151991A1 (en) 2012-04-02 2013-10-10 Surmodics, Inc. Hydrophilic polymeric coatings for medical articles with visualization moiety
WO2014159722A1 (en) * 2013-03-12 2014-10-02 Carol Livermore-Clifford Deterministic manufacturing process for creating 3d living tissues based on 2d directed assembly and origami techniques
EP2842583A1 (en) 2013-08-29 2015-03-04 Ella-CS, s.r.o. Biodegradable and bioerodible polyurethanes, method of preparation thereof and use thereof
WO2015087741A1 (ja) * 2013-12-09 2015-06-18 株式会社ダイセル ラクトン重合体の製造方法
JP2018507765A (ja) 2015-02-27 2018-03-22 ポリガニクス アイピー ベーフェー 薬物溶出発泡体及びその製造
NL2016527B1 (en) * 2016-03-31 2017-11-02 Polyganics Ip B V Tissue-adhesive biomedical materials.
NL2016524B1 (en) 2016-03-31 2017-10-17 Polyganics Ip B V Tissue-adhesive material
NL2016526B1 (en) 2016-03-31 2017-11-02 Polyganics Ip B V Improved biomedical polyurethanes
EP3670567A4 (en) * 2017-08-17 2021-06-02 Toray Industries, Inc. POLYESTER COPOLYMER AND METHOD FOR MANUFACTURING THEREOF
NL2019652B1 (en) 2017-09-29 2019-04-08 Polyganics Ip B V Tissue-adhesive sealant device
US10953138B2 (en) * 2017-10-18 2021-03-23 Bvw Holding Ag Device with microstructure mediated absorption profile
AU2018389853B2 (en) 2017-12-20 2024-10-31 Stryker European Operations Holdings Llc Biomedical foam
AU2019403377B2 (en) 2018-12-20 2025-06-26 Stryker European Operations Holdings Llc Skull base closure systems and methods
NL2022710B1 (en) 2019-03-11 2020-09-18 Polyganics Ip B V Tissue-adhesive hydrogels
JP7529688B2 (ja) 2019-04-16 2024-08-06 ストライカー・ユーロピアン・オペレーションズ・リミテッド 副鼻腔ステント並びに患者の副鼻腔内でステントを展開させるシステム及び方法
NL2023358B1 (en) 2019-06-21 2021-02-01 Polyganics Ip B V Dopamine-functionalized polymers
CN112220968B (zh) * 2020-12-09 2021-03-26 中国科学院化学研究所 一种长期替代型组织工程半月板支架的光固化3d打印制备方法
IT202300012945A1 (it) * 2023-06-22 2024-12-22 G P S Tech S R L Uso di specifici polioli poliesteri come fase soft per poliuretani facilmente degradabili e poliuretani degradabili così ottenuti
FR3162221A1 (fr) * 2024-05-16 2025-11-21 Arthrocart Biotech Solide poreux biocompatible et biorésorbable pour la réalisation d’implants chirurgicaux

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE553746A (https=) * 1955-12-27
JPS5113879A (en) * 1974-07-26 1976-02-03 Idemitsu Kosan Co Kaishitsutanpakuno seizohoho
US4284506A (en) * 1979-12-26 1981-08-18 Nl Industries, Inc. Biomedical devices
NL8202894A (nl) * 1982-07-16 1984-02-16 Rijksuniversiteit Polyesterhoudend filamentmateriaal.
US4543405A (en) * 1984-10-01 1985-09-24 Ppg Industries, Inc. High solids polyurethane polyols and coating compositions thereof
IL82834A (en) * 1987-06-09 1990-11-05 Yissum Res Dev Co Biodegradable polymeric materials based on polyether glycols,processes for the preparation thereof and surgical artiicles made therefrom
NL8703115A (nl) * 1987-12-23 1989-07-17 Groningen Science Park Biodegradeerbare polyurethanen, daarop gebaseerde voortbrengselen, en polyesterpolyol prepolymeren.
US4892920A (en) * 1988-11-21 1990-01-09 Air Products And Chemicals, Inc. Process for the preparation of cyclohexanediisocyanate containing polyisocyanate prepolymers and polyurethanes having high temperature performance
IL90193A (en) * 1989-05-04 1993-02-21 Biomedical Polymers Int Polurethane-based polymeric materials and biomedical articles and pharmaceutical compositions utilizing the same
US5703193A (en) * 1996-06-03 1997-12-30 Uniroyal Chemical Company, Inc. Removal of unreacted diisocyanate monomer from polyurethane prepolymers
SE510868C2 (sv) * 1997-11-03 1999-07-05 Artimplant Dev Artdev Ab Formkroppar för användning som implantat i humanmedicin samt förfarande för framställning av sådana formkroppar

Also Published As

Publication number Publication date
WO1999064491A1 (en) 1999-12-16
US6784273B1 (en) 2004-08-31
BR9910968B1 (pt) 2009-05-05
EP1093483A1 (en) 2001-04-25
DE69912956T2 (de) 2004-11-11
EP1308473A1 (en) 2003-05-07
ES2212602T3 (es) 2004-07-16
JP2002517577A (ja) 2002-06-18
IL140049A (en) 2008-03-20
CA2334110C (en) 2011-09-20
CA2334110A1 (en) 1999-12-16
JP4335448B2 (ja) 2009-09-30
IL140049A0 (en) 2002-02-10
ZA200007439B (en) 2001-08-08
NZ508907A (en) 2004-12-24
BR9910968A (pt) 2001-02-13
ATE254636T1 (de) 2003-12-15
AU756740B2 (en) 2003-01-23
ID28196A (id) 2001-05-10
NO20006180L (no) 2001-01-22
AU4293299A (en) 1999-12-30
NO20006180D0 (no) 2000-12-05
EP1093483B1 (en) 2003-11-19
DE69912956D1 (de) 2003-12-24

Similar Documents

Publication Publication Date Title
NO332315B1 (no) Bionedbrytbar biomedisinsk polyuretan med faseseparert morfologi, fremgangsmate for fremstilling derav og anvendelse derav i menisk rekonstruksjon
EP1138336B1 (en) Biomedical polyurethane-amide, its preparation and use
Ng et al. Preparation and modification of water-blown porous biodegradable polyurethane foams with palm oil-based polyester polyol
AU2008307139B2 (en) High modulus polyurethane and polyurethane/urea compositions
Marcos-Fernández et al. Synthesis and characterization of biodegradable non-toxic poly (ester-urethane-urea) s based on poly (ε-caprolactone) and amino acid derivatives
CN1950098B (zh) 生物可降解聚氨酯和聚氨酯脲
US6087465A (en) Melt-processible poly (ester urethane) and a process for the preparation thereof
Spaans et al. High molecular weight polyurethanes and a polyurethane urea based on 1, 4-butanediisocyanate
JP2002517577A5 (https=)
De Groot et al. On the role of aminolysis and transesterification in the synthesis of ɛ-caprolactone and L-lactide based polyurethanes
EP1594908B1 (en) Method for the preparation of new segmented polyurethanes with high tear and tensile strengths and method for making porous scaffolds
CN109310802B (zh) 改进的生物医学聚氨基甲酸酯
EP2027173A1 (en) Biodegradable polyurethanes
WO2016135349A1 (en) Phase segregated block copolymers with tunable properties
CN112194781A (zh) 一种由乙醇酸制备聚酯多元醇的方法
Izadi-Vasafi et al. A novel biodegradable polyurethane based on hydroxylated polylactic acid and tung oil mixtures. I. Synthesis, physicochemical and biodegradability characterization
JP2008120888A (ja) 生分解性共重合体及びその製造方法
WO2014004334A1 (en) Process for making biodegradable and/or bioabsorbable polymers
AU2005223917A1 (en) Biodegradable polyurethane and polyurethane ureas

Legal Events

Date Code Title Description
CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: POLYGANICS IP BV, NL

MK1K Patent expired