DE69316206D1 - Im wesentlichen reines synthetisches melanin, besonders geeignet fuer optische vorrichtungen von geringer truebung - Google Patents
Im wesentlichen reines synthetisches melanin, besonders geeignet fuer optische vorrichtungen von geringer truebungInfo
- Publication number
- DE69316206D1 DE69316206D1 DE69316206T DE69316206T DE69316206D1 DE 69316206 D1 DE69316206 D1 DE 69316206D1 DE 69316206 T DE69316206 T DE 69316206T DE 69316206 T DE69316206 T DE 69316206T DE 69316206 D1 DE69316206 D1 DE 69316206D1
- Authority
- DE
- Germany
- Prior art keywords
- optical devices
- melanine
- especially suitable
- pure synthetic
- essentially pure
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B69/00—Dyes not provided for by a single group of this subclass
- C09B69/10—Polymeric dyes; Reaction products of dyes with monomers or with macromolecular compounds
- C09B69/104—Polymeric dyes; Reaction products of dyes with monomers or with macromolecular compounds containing an indole dye, including melanine derivates
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D7/00—Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or helmets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Pulmonology (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Emergency Management (AREA)
- Eyeglasses (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI921095A IT1255146B (it) | 1992-05-08 | 1992-05-08 | Melanina sintetica purificata particolarmente per dispositivi ottici abassa diffusione |
PCT/EP1993/001027 WO1993023480A1 (en) | 1992-05-08 | 1993-04-29 | Substantially pure synthetic melanin particularly useful for low haze optical devices |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69316206D1 true DE69316206D1 (de) | 1998-02-12 |
DE69316206T2 DE69316206T2 (de) | 1998-07-23 |
Family
ID=11363230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69316206T Expired - Fee Related DE69316206T2 (de) | 1992-05-08 | 1993-04-29 | Im wesentlichen reines synthetisches melanin, besonders geeignet fuer optische vorrichtungen von geringer truebung |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0639209B1 (de) |
JP (1) | JPH08500371A (de) |
AT (1) | ATE161872T1 (de) |
AU (1) | AU4020593A (de) |
DE (1) | DE69316206T2 (de) |
IT (1) | IT1255146B (de) |
WO (1) | WO1993023480A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6103777A (en) * | 1998-12-18 | 2000-08-15 | Bayer Corporation | Thermoplastic composition suitable for optical applications having low haze values |
ITMI991896A1 (it) * | 1999-09-09 | 2001-03-09 | Carlo Ghisalberti | Melanine e pigmenti vegetali |
TWI408182B (zh) | 2005-07-15 | 2013-09-11 | Mgc Filsheet Co Ltd | A method for producing melanin and a melanin produced by the method, a functional film containing the melanin, and a method for producing the same |
JP4664139B2 (ja) * | 2005-07-15 | 2011-04-06 | Mgcフィルシート株式会社 | メラニンを含有する機能性フィルムおよびその製造方法 |
JP4717661B2 (ja) * | 2006-02-24 | 2011-07-06 | Mgcフィルシート株式会社 | メラニン含有層を含む光学積層体および該積層体を含む光学製品 |
US8133414B2 (en) * | 2008-11-17 | 2012-03-13 | Photoprotective Technologies, Inc. | Light filters using yellow melanin and melanin-like oligomers and photochromic dyes |
KR101227322B1 (ko) | 2009-10-23 | 2013-01-28 | 서울대학교산학협력단 | 나노 크기의 멜라닌 입자 및 이의 제조방법 |
KR101729710B1 (ko) | 2012-04-09 | 2017-04-24 | 서울대학교산학협력단 | 물에 안정하게 분산되는 멜라닌 나노입자를 포함하는 핵자기 공명 영상 조영제 |
BR102013001441B1 (pt) * | 2013-01-21 | 2021-02-23 | Universidade Estadual Paulista " Julio De Mesquita Filho" - Unesp | processo de produção de melanina sintética e produto obtido |
JP6143261B2 (ja) * | 2013-03-26 | 2017-06-07 | 株式会社 サンルックス | Ndフィルタ及び太陽観察用ndフィルタ並びにこれらの製造方法 |
CN106146770A (zh) * | 2015-03-30 | 2016-11-23 | 西南林业大学 | 一种自由基聚合法合成天然黑色素基树脂的方法 |
JP7402449B2 (ja) * | 2019-08-29 | 2023-12-21 | 国立研究開発法人日本原子力研究開発機構 | 樹脂組成物及び遮光レンズの製造方法 |
CN115058005B (zh) * | 2022-05-11 | 2023-06-13 | 四川大学 | 低介电损耗的黑色素纳米材料及在基板上制备其涂层的方法及产品 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4698374A (en) * | 1984-06-08 | 1987-10-06 | Gallas James M | Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation |
-
1992
- 1992-05-08 IT ITMI921095A patent/IT1255146B/it active IP Right Grant
-
1993
- 1993-04-29 AU AU40205/93A patent/AU4020593A/en not_active Abandoned
- 1993-04-29 JP JP5519816A patent/JPH08500371A/ja active Pending
- 1993-04-29 DE DE69316206T patent/DE69316206T2/de not_active Expired - Fee Related
- 1993-04-29 EP EP93909377A patent/EP0639209B1/de not_active Expired - Lifetime
- 1993-04-29 WO PCT/EP1993/001027 patent/WO1993023480A1/en active IP Right Grant
- 1993-04-29 AT AT93909377T patent/ATE161872T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH08500371A (ja) | 1996-01-16 |
WO1993023480A1 (en) | 1993-11-25 |
ITMI921095A1 (it) | 1993-11-08 |
IT1255146B (it) | 1995-10-20 |
AU4020593A (en) | 1993-12-13 |
EP0639209A1 (de) | 1995-02-22 |
ATE161872T1 (de) | 1998-01-15 |
DE69316206T2 (de) | 1998-07-23 |
ITMI921095A0 (it) | 1992-05-08 |
EP0639209B1 (de) | 1998-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |