IT1255146B - Melanina sintetica purificata particolarmente per dispositivi ottici abassa diffusione - Google Patents

Melanina sintetica purificata particolarmente per dispositivi ottici abassa diffusione

Info

Publication number
IT1255146B
IT1255146B ITMI921095A ITMI921095A IT1255146B IT 1255146 B IT1255146 B IT 1255146B IT MI921095 A ITMI921095 A IT MI921095A IT MI921095 A ITMI921095 A IT MI921095A IT 1255146 B IT1255146 B IT 1255146B
Authority
IT
Italy
Prior art keywords
optical devices
low diffusion
devices low
purified melanin
synthetic purified
Prior art date
Application number
ITMI921095A
Other languages
English (en)
Original Assignee
Intercast Europ
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 Intercast Europ filed Critical Intercast Europ
Priority to ITMI921095A priority Critical patent/IT1255146B/it
Publication of ITMI921095A0 publication Critical patent/ITMI921095A0/it
Priority to AU40205/93A priority patent/AU4020593A/en
Priority to DE69316206T priority patent/DE69316206T2/de
Priority to AT93909377T priority patent/ATE161872T1/de
Priority to EP93909377A priority patent/EP0639209B1/en
Priority to JP5519816A priority patent/JPH08500371A/ja
Priority to PCT/EP1993/001027 priority patent/WO1993023480A1/en
Publication of ITMI921095A1 publication Critical patent/ITMI921095A1/it
Application granted granted Critical
Publication of IT1255146B publication Critical patent/IT1255146B/it

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)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Pulmonology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

E' descritta la preparazione di melanina sintetica sostanzialmente pura, in forma di soluzione in solvente organico o di polvere secca, la quale è disperdibile con facilità in materia plastica e/o nei relativi monomeri per produrre dispositivi ottici a bassa diffusione.
ITMI921095A 1992-05-08 1992-05-08 Melanina sintetica purificata particolarmente per dispositivi ottici abassa diffusione IT1255146B (it)

Priority Applications (7)

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
AU40205/93A AU4020593A (en) 1992-05-08 1993-04-29 Substantially pure synthetic melanin particularly useful for low haze optical devices
DE69316206T DE69316206T2 (de) 1992-05-08 1993-04-29 Im wesentlichen reines synthetisches melanin, besonders geeignet fuer optische vorrichtungen von geringer truebung
AT93909377T ATE161872T1 (de) 1992-05-08 1993-04-29 Im wesentlichen reines synthetisches melanin, besonders geeignet fuer optische vorrichtungen von geringer truebung
EP93909377A EP0639209B1 (en) 1992-05-08 1993-04-29 Substantially pure synthetic melanin particularly useful for low haze optical devices
JP5519816A JPH08500371A (ja) 1992-05-08 1993-04-29 特に低ヘーズの光学機器に有用な実質的に純粋な合成メラニン
PCT/EP1993/001027 WO1993023480A1 (en) 1992-05-08 1993-04-29 Substantially pure synthetic melanin particularly useful for low haze optical devices

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
ITMI921095A0 ITMI921095A0 (it) 1992-05-08
ITMI921095A1 ITMI921095A1 (it) 1993-11-08
IT1255146B true IT1255146B (it) 1995-10-20

Family

ID=11363230

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI921095A IT1255146B (it) 1992-05-08 1992-05-08 Melanina sintetica purificata particolarmente per dispositivi ottici abassa diffusione

Country Status (7)

Country Link
EP (1) EP0639209B1 (it)
JP (1) JPH08500371A (it)
AT (1) ATE161872T1 (it)
AU (1) AU4020593A (it)
DE (1) DE69316206T2 (it)
IT (1) IT1255146B (it)
WO (1) WO1993023480A1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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
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
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
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
WO2011049406A2 (ko) * 2009-10-23 2011-04-28 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
ATE161872T1 (de) 1998-01-15
DE69316206T2 (de) 1998-07-23
ITMI921095A1 (it) 1993-11-08
JPH08500371A (ja) 1996-01-16
DE69316206D1 (de) 1998-02-12
EP0639209B1 (en) 1998-01-07
ITMI921095A0 (it) 1992-05-08
WO1993023480A1 (en) 1993-11-25
EP0639209A1 (en) 1995-02-22
AU4020593A (en) 1993-12-13

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Legal Events

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990430