BR8906940A - Lente de resina a base de polissulfeto e processo para preparacao da mesma - Google Patents

Lente de resina a base de polissulfeto e processo para preparacao da mesma

Info

Publication number
BR8906940A
BR8906940A BR898906940A BR8906940A BR8906940A BR 8906940 A BR8906940 A BR 8906940A BR 898906940 A BR898906940 A BR 898906940A BR 8906940 A BR8906940 A BR 8906940A BR 8906940 A BR8906940 A BR 8906940A
Authority
BR
Brazil
Prior art keywords
polysulphide
based resin
resin lens
same preparation
preparation
Prior art date
Application number
BR898906940A
Other languages
English (en)
Inventor
Yoshinobu Kanemura
Katsuyoshi Sasagawa
Masao Imai
Original Assignee
Mitsui Toatsu Chemicals
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14408356&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8906940(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of BR8906940A publication Critical patent/BR8906940A/pt

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
    • 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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/66—Mercaptans
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/04—Polysulfides
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Epoxy Resins (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BR898906940A 1988-04-30 1989-05-01 Lente de resina a base de polissulfeto e processo para preparacao da mesma BR8906940A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10546688 1988-04-30
PCT/JP1989/000454 WO1989010575A1 (en) 1988-04-30 1989-05-01 High refractive index lens and method for its production

Publications (1)

Publication Number Publication Date
BR8906940A true BR8906940A (pt) 1990-11-20

Family

ID=14408356

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898906940A BR8906940A (pt) 1988-04-30 1989-05-01 Lente de resina a base de polissulfeto e processo para preparacao da mesma

Country Status (9)

Country Link
US (1) US5374668A (pt)
EP (1) EP0374258B1 (pt)
JP (1) JP3219271B2 (pt)
KR (1) KR900700896A (pt)
CN (2) CN1040810A (pt)
AU (1) AU613757B2 (pt)
BR (1) BR8906940A (pt)
DE (1) DE68928777T2 (pt)
WO (1) WO1989010575A1 (pt)

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Also Published As

Publication number Publication date
AU3540589A (en) 1989-11-24
EP0374258B1 (en) 1998-08-12
EP0374258A1 (en) 1990-06-27
KR900700896A (ko) 1990-08-17
CN1040810A (zh) 1990-03-28
WO1989010575A1 (en) 1989-11-02
DE68928777T2 (de) 1999-04-08
EP0374258A4 (en) 1991-01-30
AU613757B2 (en) 1991-08-08
JP3219271B2 (ja) 2001-10-15
CN1046741A (zh) 1990-11-07
DE68928777D1 (de) 1998-09-17
US5374668A (en) 1994-12-20

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA2 Application deemed withdrawn (art. 19(5))