NL186143C - Lens voor optische apparatuur. - Google Patents

Lens voor optische apparatuur.

Info

Publication number
NL186143C
NL186143C NLAANVRAGE7800292,A NL7800292A NL186143C NL 186143 C NL186143 C NL 186143C NL 7800292 A NL7800292 A NL 7800292A NL 186143 C NL186143 C NL 186143C
Authority
NL
Netherlands
Prior art keywords
lens
optical equipment
optical
equipment
Prior art date
Application number
NLAANVRAGE7800292,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7800292A (nl
NL186143B (nl
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of NL7800292A publication Critical patent/NL7800292A/xx
Publication of NL186143B publication Critical patent/NL186143B/xx
Application granted granted Critical
Publication of NL186143C publication Critical patent/NL186143C/xx

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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • 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)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Lenses (AREA)
NLAANVRAGE7800292,A 1977-01-13 1978-01-10 Lens voor optische apparatuur. NL186143C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2701173A DE2701173C2 (de) 1977-01-13 1977-01-13 Verwendung von Polycarbonaten zur Herstellung von Linsen für Photo- und Filmkameras

Publications (3)

Publication Number Publication Date
NL7800292A NL7800292A (nl) 1978-07-17
NL186143B NL186143B (nl) 1990-05-01
NL186143C true NL186143C (nl) 1990-10-01

Family

ID=5998590

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7800292,A NL186143C (nl) 1977-01-13 1978-01-10 Lens voor optische apparatuur.

Country Status (6)

Country Link
JP (1) JPS5389752A (xx)
DE (1) DE2701173C2 (xx)
FR (1) FR2377267A1 (xx)
GB (1) GB1592724A (xx)
IT (1) IT1104626B (xx)
NL (1) NL186143C (xx)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778419A (en) * 1977-09-06 1982-05-17 Mobay Chemical Corp Copolycarbonate
EP0084578A1 (en) * 1982-01-23 1983-08-03 Mobay Chemical Corporation Copolycarbonates having high melt flow rates
JPS58179224A (ja) * 1982-03-18 1983-10-20 Konishiroku Photo Ind Co Ltd 光学用樹脂組成物および光学用素子
JPS59115333A (ja) * 1982-12-22 1984-07-03 Toshiba Corp ポリサルフアイドカ−ボネ−トの製造方法
GB2141556A (en) * 1983-06-14 1984-12-19 Pilkington Perkin Elmer Ltd Glass and plastics objective lens for low light level viewing apparatus
JPS617314A (ja) * 1984-06-20 1986-01-14 Kureha Chem Ind Co Ltd 高屈折率レンズ
JPH0662752B2 (ja) * 1984-08-24 1994-08-17 三菱化成株式会社 光情報材料
JPH0649750B2 (ja) * 1984-08-24 1994-06-29 三菱化成株式会社 ポリカーボネートより成る射出成形材料
JPH0792542B2 (ja) * 1986-02-07 1995-10-09 ミノルタ株式会社 絞り後置のトリプレツトレンズ系
US4831110A (en) * 1986-12-19 1989-05-16 Daicel Chemical Industries, Ltd. Co-polycarbonate copolymer from 2,2-bis(4-hydroxy-3-tertiary butyl phenyl)propane and optical disk
US5486949A (en) 1989-06-20 1996-01-23 The Dow Chemical Company Birefringent interference polarizer
EP0500129B1 (en) * 1991-02-22 1996-07-31 Mitsubishi Gas Chemical Company, Inc. Polycarbonate resin solution for film formation by casting
DE69225819T2 (de) * 1991-02-22 1998-11-12 Mitsubishi Gas Chemical Co Polycarbonatharzlösung zur Herstellung von gegossenen Folien
CA2139325A1 (en) * 1992-07-16 1994-02-03 Stephen E. Bales Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies
US5532331A (en) * 1993-06-24 1996-07-02 The Dow Chemical Company Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies
US6180698B1 (en) 1997-02-28 2001-01-30 Candescent Technologies Corporation Polycarbonate-containing liquid chemical formulation and method for making polycarbonate film
US6500885B1 (en) 1997-02-28 2002-12-31 Candescent Technologies Corporation Polycarbonate-containing liquid chemical formulation and methods for making and using polycarbonate film
EP1290106B1 (de) 2000-05-12 2009-08-12 Bayer MaterialScience AG Antistatikum
JP2002114841A (ja) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc 光学部品
JP2002114842A (ja) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc ポリカーボネート樹脂、及びそれを含んで構成される光学部品
DE102004022673A1 (de) * 2004-05-07 2005-11-24 Bayer Materialscience Ag Copolycarbonate mit verbesserter Fließfähigkeit
DE102007015948A1 (de) 2007-04-03 2008-10-09 Bayer Materialscience Ag Modifizierte Polycarbonate, Polyestercarbonate und Polyester mit verbessertem Dehnverhalten und Flammwidrigkeit
DE102007040925A1 (de) 2007-08-30 2009-03-05 Bayer Materialscience Ag Thermoplastische Zusammensetzungen mit geringer Trübung
DE102008008842A1 (de) 2008-02-13 2009-08-27 Bayer Materialscience Ag Alkylphenol zur Einstellung des Molekulargewichtes und Polycarbonatzusammensetzungen mit verbesserten Eigenschaften
EP2090605B1 (de) 2008-02-13 2011-07-13 Bayer MaterialScience AG Verfahren zur Herstellung von Polycarbonaten
DE102008008841A1 (de) 2008-02-13 2009-08-20 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonaten
DE102008011903A1 (de) 2008-02-29 2009-09-03 Bayer Materialscience Ag Polycarbonate mit cyclischen Oligomeren und verbessertem Fließverhalten
DE102008012613A1 (de) 2008-03-05 2009-09-10 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonat nach dem Phasengrenzflächenverfahren
DE102008019503A1 (de) 2008-04-18 2009-10-22 Bayer Materialscience Ag Polycarbonate mit Umlagerungsstrukturen, cyclischen und linearen Oligomeren sowie verbessertem Fließverhalten
DE102008023800A1 (de) 2008-05-15 2009-11-19 Bayer Materialscience Ag Alkylphenol zur Einstellung des Molekulargewichtes und Copolycarbonat mit verbesserten Eigenschaften
DE102008036406A1 (de) 2008-08-05 2010-02-11 Bayer Materialscience Ag Modifizierte Polycarbonate mit verbesserten Oberflächeneigenschaften
DE102008059658A1 (de) 2008-11-28 2010-06-02 Bayer Materialscience Ag Copolycarbonate mit verbesserter Oberflächenhärte
US8064140B2 (en) 2008-12-31 2011-11-22 Sabic Innovative Plastics Ip B.V. Transparent articles prepared from thermoplastic compositions having low birefringence
US7848025B2 (en) * 2008-12-31 2010-12-07 Sabic Innovative Plastics Ip B.V. Transparent articles prepared from thermoplastic compositions having high flow and ductility, and method of preparing articles
DE102009013643A1 (de) 2009-03-18 2010-09-30 Bayer Materialscience Ag Copolycarbonate mit verbesserten Eigenschaften
DE102009015040A1 (de) 2009-03-26 2010-09-30 Bayer Materialscience Ag (Co)polycarbonate mit verbesserten optischen Eigenschaften
EP2336245A1 (de) 2009-12-12 2011-06-22 Bayer MaterialScience AG Polycarbonatzusammensetzungen mit verbesserter Oberflächenhärte
DE102009058099A1 (de) 2009-12-12 2011-06-16 Bayer Materialscience Ag Polycarbonatblends mit hoher Wärmeformbeständigkeit und verbesserten Oberflächeneigenschaften
DE102009058462A1 (de) 2009-12-16 2011-06-22 Bayer MaterialScience AG, 51373 Polycarbonat mit erhöhter Transmission und bakterizider Wirksamkeit
KR102307698B1 (ko) 2014-01-24 2021-10-06 코베스트로 도이칠란트 아게 상 계면 방법에 따른 폴리카르보네이트의 제조 방법
JP6860806B2 (ja) * 2016-05-27 2021-04-21 三菱瓦斯化学株式会社 光学用ポリカーボネート樹脂
KR102448348B1 (ko) 2016-08-19 2022-09-28 코베스트로 도이칠란트 아게 폴리옥사졸리디논 화합물의 합성 방법
EP3357949A1 (en) 2017-02-02 2018-08-08 Covestro Deutschland AG Method for the production of polyoxazolidinone polymer compounds
EP3985047A1 (de) 2020-10-13 2022-04-20 Covestro Deutschland AG Verfahren zur herstellung eines polycarbonats nach dem phasengrenzflächenverfahren unter lösungsmittelaustausch

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL282023A (xx) * 1955-04-14
US3250744A (en) * 1956-10-19 1966-05-10 Bayer Ag High molecular weight thermoplastic polycarbonates and process for the production thereof
US4043980A (en) * 1976-05-18 1977-08-23 Mobay Chemical Corporation Flame retardant polycarbonate having improved critical thickness

Also Published As

Publication number Publication date
NL7800292A (nl) 1978-07-17
DE2701173A1 (de) 1978-07-20
IT1104626B (it) 1985-10-21
JPS5389752A (en) 1978-08-07
NL186143B (nl) 1990-05-01
FR2377267A1 (fr) 1978-08-11
GB1592724A (en) 1981-07-08
FR2377267B1 (xx) 1983-07-01
DE2701173C2 (de) 1983-02-10
IT7847588A0 (it) 1978-01-11

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee