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JPS5389752A - Optical equipment parts - Google Patents

Optical equipment parts

Info

Publication number
JPS5389752A
JPS5389752A JP123078A JP123078A JPS5389752A JP S5389752 A JPS5389752 A JP S5389752A JP 123078 A JP123078 A JP 123078A JP 123078 A JP123078 A JP 123078A JP S5389752 A JPS5389752 A JP S5389752A
Authority
JP
Japan
Prior art keywords
optical equipment
equipment parts
parts
optical
equipment
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.)
Pending
Application number
JP123078A
Other languages
Japanese (ja)
Inventor
Medemu Hararuto
Furaitaaku Deiitaa
Hesupe Hansu
Haineman Kaaru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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 JPS5389752A publication Critical patent/JPS5389752A/en
Pending legal-status Critical Current

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)
JP123078A 1977-01-13 1978-01-11 Optical equipment parts Pending JPS5389752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2701173A DE2701173C2 (en) 1977-01-13 1977-01-13 Use of polycarbonates to manufacture lenses for photo and film cameras

Publications (1)

Publication Number Publication Date
JPS5389752A true JPS5389752A (en) 1978-08-07

Family

ID=5998590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP123078A Pending JPS5389752A (en) 1977-01-13 1978-01-11 Optical equipment parts

Country Status (6)

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

Cited By (8)

* 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
JPS59115333A (en) * 1982-12-22 1984-07-03 Toshiba Corp Production of polysulfide carbonate
JPS62183420A (en) * 1986-02-07 1987-08-11 Minolta Camera Co Ltd Triplet lens system arranging stop on rear position
JP2002114842A (en) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc Polycarbonate resin and optical part composed by including the same
JP2002114841A (en) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc Optical part
US6583930B1 (en) 1989-06-20 2003-06-24 3M Innovative Properties Birefringent interference polarization
JP2007536420A (en) * 2004-05-07 2007-12-13 バイエル・マテリアルサイエンス・アクチェンゲゼルシャフト Copolycarbonate with improved fluidity
JP2017210569A (en) * 2016-05-27 2017-11-30 三菱瓦斯化学株式会社 Optical polycarbonate resin

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084578A1 (en) * 1982-01-23 1983-08-03 Mobay Chemical Corporation Copolycarbonates having high melt flow rates
JPS58179224A (en) * 1982-03-18 1983-10-20 Konishiroku Photo Ind Co Ltd Optical resin composition and optical element
GB2141556A (en) * 1983-06-14 1984-12-19 Pilkington Perkin Elmer Ltd Glass and plastics objective lens for low light level viewing apparatus
JPS617314A (en) * 1984-06-20 1986-01-14 Kureha Chem Ind Co Ltd Lens material having high refractive index
JPH0649750B2 (en) * 1984-08-24 1994-06-29 三菱化成株式会社 Injection molding material consisting of polycarbonate
JPH0662752B2 (en) * 1984-08-24 1994-08-17 三菱化成株式会社 Optical information material
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
DE69212510T2 (en) * 1991-02-22 1997-01-23 Mitsubishi Gas Chemical Co Polycarbonate resin solution for the production of cast films
DE69225819T2 (en) * 1991-02-22 1998-11-12 Mitsubishi Gas Chemical Co Polycarbonate resin solution for the production of cast films
DE69321591T2 (en) * 1992-07-16 1999-05-20 Dow Chemical Co THIODIPHENOL COPOLYCARBONATE AND THEIR USE AS A COMPONENT OF MULTI-LAYERED, REFLECTIVE PLASTIC ELEMENTS
US5532331A (en) * 1993-06-24 1996-07-02 The Dow Chemical Company Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies
US6500885B1 (en) 1997-02-28 2002-12-31 Candescent Technologies Corporation Polycarbonate-containing liquid chemical formulation and methods for making and using polycarbonate film
US6180698B1 (en) 1997-02-28 2001-01-30 Candescent Technologies Corporation Polycarbonate-containing liquid chemical formulation and method for making polycarbonate film
CA2407968C (en) 2000-05-12 2010-03-30 Bayer Aktiengesellschaft Antistatic agent
DE102007015948A1 (en) 2007-04-03 2008-10-09 Bayer Materialscience Ag Modified polycarbonates, polyester carbonates and polyesters with improved extensibility and flame retardancy
DE102007040925A1 (en) 2007-08-30 2009-03-05 Bayer Materialscience Ag Thermoplastic compositions with low haze
DE102008008841A1 (en) 2008-02-13 2009-08-20 Bayer Materialscience Ag Preparing (co)polycarbonate or diaryl carbonate, useful in e.g. sunglasses, comprises converting di-, mono-phenol and phosgene to chloroformic acid aryl ester, oligo- or diaryl-carbonate, and reacting the product under alkaline solution
EP2090605B1 (en) 2008-02-13 2011-07-13 Bayer MaterialScience AG Method for making polycarbonates
DE102008008842A1 (en) 2008-02-13 2009-08-27 Bayer Materialscience Ag Alkylphenol for molecular weight adjustment and polycarbonate compositions having improved properties
DE102008011903A1 (en) 2008-02-29 2009-09-03 Bayer Materialscience Ag Polycarbonates with cyclic oligomers and improved flow behavior
DE102008012613A1 (en) 2008-03-05 2009-09-10 Bayer Materialscience Ag Process for the preparation of polycarbonate by the interfacial process
DE102008019503A1 (en) 2008-04-18 2009-10-22 Bayer Materialscience Ag Polycarbonates with rearrangement structures, cyclic and linear oligomers and improved flow behavior
DE102008023800A1 (en) 2008-05-15 2009-11-19 Bayer Materialscience Ag Alkyl phenol for molecular weight adjustment and copolycarbonate with improved properties
DE102008036406A1 (en) 2008-08-05 2010-02-11 Bayer Materialscience Ag Modified polycarbonates with improved surface properties
DE102008059658A1 (en) 2008-11-28 2010-06-02 Bayer Materialscience Ag Copolycarbonates with improved surface hardness
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 (en) 2009-03-18 2010-09-30 Bayer Materialscience Ag Copolycarbonates with improved properties
DE102009015040A1 (en) 2009-03-26 2010-09-30 Bayer Materialscience Ag (Co) polycarbonates with improved optical properties
DE102009058099A1 (en) 2009-12-12 2011-06-16 Bayer Materialscience Ag Polycarbonate blends with high heat resistance and improved surface properties
EP2336245A1 (en) 2009-12-12 2011-06-22 Bayer MaterialScience AG Polycarbonate compounds with improved surface hardness
DE102009058462A1 (en) 2009-12-16 2011-06-22 Bayer MaterialScience AG, 51373 Producing polycarbonate injection molded body comprises introducing injection molded bodies containing polycarbonate in reactor, inerting atmosphere of reactor, introducing fluorine-inert gas mixture and evacuating and flushing the reactor
EP3097135B1 (en) 2014-01-24 2021-08-18 Covestro Intellectual Property GmbH & Co. KG Method of manufacturing polycarbonate using the phase boundary method
EP3500611B1 (en) 2016-08-19 2021-08-11 Covestro Intellectual Property GmbH & Co. KG Process for the synthesis of polyoxazolidinone compounds
EP3357949A1 (en) 2017-02-02 2018-08-08 Covestro Deutschland AG Method for the production of polyoxazolidinone polymer compounds
EP3985047A1 (en) 2020-10-13 2022-04-20 Covestro Deutschland AG Method for the preparation of a polycarbonate based on the interfacial process with solvent exchange

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1001586B (en) * 1955-04-14 1957-01-24 Agfa Aktiengesell schaft fur Photofabrikation Leverkusen Bayerwerk Photographic material
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

Cited By (9)

* 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
JPS59115333A (en) * 1982-12-22 1984-07-03 Toshiba Corp Production of polysulfide carbonate
JPH0412290B2 (en) * 1982-12-22 1992-03-04 Tokyo Shibaura Electric Co
JPS62183420A (en) * 1986-02-07 1987-08-11 Minolta Camera Co Ltd Triplet lens system arranging stop on rear position
US6583930B1 (en) 1989-06-20 2003-06-24 3M Innovative Properties Birefringent interference polarization
JP2002114842A (en) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc Polycarbonate resin and optical part composed by including the same
JP2002114841A (en) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc Optical part
JP2007536420A (en) * 2004-05-07 2007-12-13 バイエル・マテリアルサイエンス・アクチェンゲゼルシャフト Copolycarbonate with improved fluidity
JP2017210569A (en) * 2016-05-27 2017-11-30 三菱瓦斯化学株式会社 Optical polycarbonate resin

Also Published As

Publication number Publication date
DE2701173A1 (en) 1978-07-20
NL186143C (en) 1990-10-01
IT1104626B (en) 1985-10-21
FR2377267B1 (en) 1983-07-01
IT7847588A0 (en) 1978-01-11
NL7800292A (en) 1978-07-17
DE2701173C2 (en) 1983-02-10
FR2377267A1 (en) 1978-08-11
GB1592724A (en) 1981-07-08
NL186143B (en) 1990-05-01

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