FR3086664B1 - Compositions d'hydrogels - Google Patents
Compositions d'hydrogels Download PDFInfo
- Publication number
- FR3086664B1 FR3086664B1 FR1859124A FR1859124A FR3086664B1 FR 3086664 B1 FR3086664 B1 FR 3086664B1 FR 1859124 A FR1859124 A FR 1859124A FR 1859124 A FR1859124 A FR 1859124A FR 3086664 B1 FR3086664 B1 FR 3086664B1
- Authority
- FR
- France
- Prior art keywords
- agents
- polyisocyanate
- polymerization
- optionally
- degree
- 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.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title abstract 5
- 239000000017 hydrogel Substances 0.000 title 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 6
- 239000003795 chemical substances by application Substances 0.000 abstract 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 abstract 3
- 229920001228 polyisocyanate Polymers 0.000 abstract 3
- 239000005056 polyisocyanate Substances 0.000 abstract 3
- 238000006116 polymerization reaction Methods 0.000 abstract 3
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 2
- 150000001298 alcohols Chemical class 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 2
- 229920000570 polyether Polymers 0.000 abstract 2
- 229920000223 polyglycerol Polymers 0.000 abstract 2
- 229920005862 polyol Polymers 0.000 abstract 2
- 150000003077 polyols Chemical class 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000004904 UV filter Substances 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract 1
- 239000004599 antimicrobial Substances 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000003086 colorant Substances 0.000 abstract 1
- -1 compatibilizers Substances 0.000 abstract 1
- 239000000412 dendrimer Substances 0.000 abstract 1
- 229920000736 dendritic polymer Polymers 0.000 abstract 1
- 125000005442 diisocyanate group Chemical group 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 229940124597 therapeutic agent Drugs 0.000 abstract 1
- 239000004034 viscosity adjusting agent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
-
- 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
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/52—Hydrogels or hydrocolloids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4862—Polyethers containing at least a part of the ether groups in a side chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33348—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
- G02B1/043—Contact lenses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/16—Materials or treatment for tissue regeneration for reconstruction of eye parts, e.g. intraocular lens, cornea
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0091—Aerogels; Xerogels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2210/00—Compositions for preparing hydrogels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/52—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type obtained by dehydration of polyhydric alcohols
- C08G2650/54—Polyglycerols
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Dermatology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Inorganic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
L'invention se rapporte à une composition réticulable comprenant: A1) au moins un prépolymère uréthane terminé isocyanate multifonctionnel comprenant de 1 à 16 fonctionnalité(s) isocyanate en moyenne, la fonctionnalité moyenne étant supérieure strictement à 1, ledit prépolymère étant un produit de la réaction d'un diisocyanate, d'un triisocyanate ou d'un polyisocyanate de fonctionnalité strictement supérieure à 3, avec un polyol comprenant 1 à 8 groupes hydroxyles ; et/ou A2) au moins un mono, di ou polyisocyanate et/ou un oligoglycérol ; avec B) au moins un macropolyol choisi parmi : B1) les oligoglycérols de degré de polymérisation moyen inférieur ou égal à 7, B2) les dendrimères du glycérol, B3) les polyglycérols linéaires, ramifiés ou hyperramifiés de degré de polymérisation supérieur ou égal à 8, B4) les mélanges de polyglycérols hyperramifiés et d'oligoglycérols linéaires, ramifiés ou hyperramifiés, de degré de polymérisation compris entre 2 et 7, éventuellement fonctionnalisé ; et éventuellement : C) au moins un polyol comprenant au moins deux groupements hydroxyles ; D) au moins un mono, di ou polyisocyanate ; E) éventuellement au moins un alcool monofonctionnel, un mélange d'alcools monofonctionnels ou un polyéther monohydroxylé à base d'éthylène glycol et/ou d'éthylène glycol/propylène glycol, ou un mélange de polyéther monohydroxylé et d'alcools monofonctionnels ; F) au moins un catalyseur ou une combinaison de catalyseurs; G) au moins un additif choisi parmi les antioxydants, les promoteurs de perméabilité à l'oxygène, les agents de rétention d'eau, les lubrifiants, les agents compatibilisants, les agents de modification de viscosité, les agents de coloration, les agents opacifiants, les agents anti-microbiens, les agents thérapeutiques et les agents anti-biofilm bactérien; et/ou H) au moins agent choisi parmi les filtres-UV, les absorbants UV et les filtres de la lumière bleue.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1859124A FR3086664B1 (fr) | 2018-10-02 | 2018-10-02 | Compositions d'hydrogels |
PCT/FR2019/052302 WO2020070422A1 (fr) | 2018-10-02 | 2019-09-30 | Compositions d'hydrogels |
US17/282,121 US20210369911A1 (en) | 2018-10-02 | 2019-09-30 | Hydrogel compositions |
EP19795284.9A EP3861042A1 (fr) | 2018-10-02 | 2019-09-30 | Compositions d'hydrogels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1859124A FR3086664B1 (fr) | 2018-10-02 | 2018-10-02 | Compositions d'hydrogels |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3086664A1 FR3086664A1 (fr) | 2020-04-03 |
FR3086664B1 true FR3086664B1 (fr) | 2021-10-15 |
Family
ID=65494318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1859124A Expired - Fee Related FR3086664B1 (fr) | 2018-10-02 | 2018-10-02 | Compositions d'hydrogels |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210369911A1 (fr) |
EP (1) | EP3861042A1 (fr) |
FR (1) | FR3086664B1 (fr) |
WO (1) | WO2020070422A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2021200986A1 (en) * | 2020-02-21 | 2021-09-09 | Nouryon Chemicals International B.V. | Biodegradable polyesters for water-resistant oil-in-water suncare formulations |
AU2021200987A1 (en) * | 2020-02-21 | 2021-09-09 | Nouryon Chemicals International B.V. | Biodegradable polyesters for water-resistant anhydrous suncare formulations |
CN112281494B (zh) * | 2020-10-21 | 2022-03-11 | 江苏海洋大学 | 一种封闭型聚氨酯预聚物在制备纤维素基功能敷料中的应用 |
CN117903407A (zh) * | 2023-12-01 | 2024-04-19 | 广州海豚新材料有限公司 | 一种亲水性两性离子有机硅改性聚氨酯及其制备方法与应用 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6822068B2 (en) * | 1998-12-22 | 2004-11-23 | Bayer Aktiengesellschaft | Method for producing highly-branched glycidol-based polyols |
EP1657267A1 (fr) * | 2004-11-10 | 2006-05-17 | INSA (Institut National des Sciences Appliqées) | Composition polyisocyanate/polyol à deux composants et son utilisation pour la fabrication de produits coulés, en particulier des lentilles ophthalmiques |
US20120316256A1 (en) | 2009-11-02 | 2012-12-13 | Abdul Rashid | Polymers for Contact Lenses |
PT2539388E (pt) * | 2010-02-25 | 2015-10-28 | Dow Global Technologies Llc | Resumo |
-
2018
- 2018-10-02 FR FR1859124A patent/FR3086664B1/fr not_active Expired - Fee Related
-
2019
- 2019-09-30 US US17/282,121 patent/US20210369911A1/en not_active Abandoned
- 2019-09-30 WO PCT/FR2019/052302 patent/WO2020070422A1/fr unknown
- 2019-09-30 EP EP19795284.9A patent/EP3861042A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP3861042A1 (fr) | 2021-08-11 |
WO2020070422A1 (fr) | 2020-04-09 |
US20210369911A1 (en) | 2021-12-02 |
FR3086664A1 (fr) | 2020-04-03 |
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