SG11201610901SA - Polyurethanes for contact lenses - Google Patents
Polyurethanes for contact lensesInfo
- Publication number
- SG11201610901SA SG11201610901SA SG11201610901SA SG11201610901SA SG11201610901SA SG 11201610901S A SG11201610901S A SG 11201610901SA SG 11201610901S A SG11201610901S A SG 11201610901SA SG 11201610901S A SG11201610901S A SG 11201610901SA SG 11201610901S A SG11201610901S A SG 11201610901SA
- Authority
- SG
- Singapore
- Prior art keywords
- polyurethanes
- contact lenses
- lenses
- contact
- Prior art date
Links
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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
-
- 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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
-
- 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
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
-
- 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
- C08G18/61—Polysiloxanes
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6511—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 compounds of group C08G18/3203
- C08G18/6517—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 compounds of group C08G18/3203 having 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having 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
- C08G18/70—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
- C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2205/00—Foams characterised by their properties
- C08J2205/02—Foams characterised by their properties the finished foam itself being a gel or a gel being temporarily formed when processing the foamable composition
- C08J2205/022—Hydrogel, i.e. a gel containing an aqueous composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2205/00—Foams characterised by their properties
- C08J2205/02—Foams characterised by their properties the finished foam itself being a gel or a gel being temporarily formed when processing the foamable composition
- C08J2205/028—Xerogel, i.e. an air dried gel
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB201412053A GB201412053D0 (en) | 2014-07-07 | 2014-07-07 | Articles of manufacture |
GBGB1417601.0A GB201417601D0 (en) | 2014-10-06 | 2014-10-06 | Articles of manufacture |
PCT/GB2015/051960 WO2016005733A1 (en) | 2014-07-07 | 2015-07-07 | Polyurethanes for contact lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11201610901SA true SG11201610901SA (en) | 2017-01-27 |
Family
ID=53762209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201610901SA SG11201610901SA (en) | 2014-07-07 | 2015-07-07 | Polyurethanes for contact lenses |
Country Status (7)
Country | Link |
---|---|
US (1) | US11168177B2 (zh) |
EP (1) | EP3166987A1 (zh) |
JP (1) | JP6901967B2 (zh) |
KR (1) | KR102451541B1 (zh) |
CN (2) | CN106795267A (zh) |
SG (1) | SG11201610901SA (zh) |
WO (1) | WO2016005733A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018236741A1 (en) | 2017-06-19 | 2018-12-27 | Dsm Ip Assets, B.V. | THERMOSETTING COMPOSITION FOR FORMING GAS-PERMANENT RIGID LENS COMPONENTS |
EP3909996A1 (de) * | 2017-07-20 | 2021-11-17 | Basf Se | Schaumstoff aus thermoplastischem polyurethan |
WO2019070780A1 (en) | 2017-10-03 | 2019-04-11 | Dsm Ip Assets, B.V. | COMPOSITIONS AND KITS FOR FORMING RIGID LENS COMPONENTS COMPRISING A CELLULOSE DERIVATIVE |
CN108300445B (zh) * | 2018-01-09 | 2021-02-23 | 中国石油化工股份有限公司 | 一种高效的耐盐型低张力稠油降粘剂及其制备方法 |
US20210162692A1 (en) * | 2019-12-02 | 2021-06-03 | Bausch & Lomb Ireland Limited | Direct compression molded ophthalmic devices |
CN111303618A (zh) * | 2019-12-20 | 2020-06-19 | 山东一诺威聚氨酯股份有限公司 | 有机硅改性tpu医用导管及其制备方法 |
KR102590161B1 (ko) | 2021-01-21 | 2023-10-18 | 한국과학기술연구원 | 티오에테르 함유 폴리디메틸실록산 기반의 폴리우레탄 고분자 탄성체 및 이의 제조방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003183574A (ja) * | 2001-12-17 | 2003-07-03 | Nippon Polyurethane Ind Co Ltd | 水性一液コーティング剤及びそれを用いたコーティング方法 |
GB0220312D0 (en) * | 2002-08-31 | 2002-10-09 | Graham Neil | Novel thermoplastic hydrogel polymer compositions for use in producing contact lenses and methods of producing said compositions |
WO2006010612A1 (en) * | 2004-07-28 | 2006-02-02 | Novartis Ag | Water-based inks for hydrogel lenses |
EP2316866A1 (de) * | 2009-10-29 | 2011-05-04 | Bayer MaterialScience AG | Wässrige Zubereitung auf Basis kristalliner oder semikristalliner Polyurethanpolymere |
GB0919411D0 (en) * | 2009-11-05 | 2009-12-23 | Ocutec Ltd | Polymer for contact lenses |
GB0919459D0 (en) * | 2009-11-06 | 2009-12-23 | Ocutec Ltd | Polymer for contact lenses |
WO2011051690A2 (en) * | 2009-11-02 | 2011-05-05 | Ocutec Limited | Polymers for contact lenses |
GB201018190D0 (en) | 2010-10-27 | 2010-12-08 | Ocutec Ltd | Polymer for contact lenses |
GB201106774D0 (en) * | 2011-04-21 | 2011-06-01 | Occutec Ltd | Polymers for contact lenses |
CN102335435B (zh) * | 2011-08-12 | 2013-12-18 | 四川大学 | 多功能聚氨酯药物载体及其制备和应用 |
CN102443128A (zh) * | 2011-10-27 | 2012-05-09 | 东南大学 | 一种利用聚乙二醇单甲醚接枝的聚氨酯材料的制备方法 |
CN102875772B (zh) * | 2012-10-19 | 2014-07-02 | 中国科学院长春应用化学研究所 | 一种聚氨酯嵌段共聚物、其制备方法及其纳米水凝胶的制备方法 |
-
2015
- 2015-07-07 SG SG11201610901SA patent/SG11201610901SA/en unknown
- 2015-07-07 WO PCT/GB2015/051960 patent/WO2016005733A1/en active Application Filing
- 2015-07-07 CN CN201580037578.7A patent/CN106795267A/zh active Pending
- 2015-07-07 US US15/324,138 patent/US11168177B2/en active Active
- 2015-07-07 CN CN201911358018.8A patent/CN111072912A/zh active Pending
- 2015-07-07 JP JP2017521619A patent/JP6901967B2/ja active Active
- 2015-07-07 KR KR1020177003388A patent/KR102451541B1/ko active IP Right Grant
- 2015-07-07 EP EP15744637.8A patent/EP3166987A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN106795267A (zh) | 2017-05-31 |
JP2017524062A (ja) | 2017-08-24 |
KR102451541B1 (ko) | 2022-10-06 |
EP3166987A1 (en) | 2017-05-17 |
US11168177B2 (en) | 2021-11-09 |
WO2016005733A1 (en) | 2016-01-14 |
US20170166683A1 (en) | 2017-06-15 |
JP6901967B2 (ja) | 2021-07-14 |
CN111072912A (zh) | 2020-04-28 |
KR20170075708A (ko) | 2017-07-03 |
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