BR8402619A - Processo para preparacao de artigo conformado,copolimero,artigo conformado e processo para preparacao de um copolimero poli (vinil alcool) - Google Patents

Processo para preparacao de artigo conformado,copolimero,artigo conformado e processo para preparacao de um copolimero poli (vinil alcool)

Info

Publication number
BR8402619A
BR8402619A BR8402619A BR8402619A BR8402619A BR 8402619 A BR8402619 A BR 8402619A BR 8402619 A BR8402619 A BR 8402619A BR 8402619 A BR8402619 A BR 8402619A BR 8402619 A BR8402619 A BR 8402619A
Authority
BR
Brazil
Prior art keywords
preparation
conformed article
conformed
article
copolimer
Prior art date
Application number
BR8402619A
Other languages
English (en)
Inventor
Ronald F Ofstead
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR8402619A publication Critical patent/BR8402619A/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
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • 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
    • C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
    • C08F218/02—Esters of monocarboxylic acids
    • C08F218/04—Vinyl esters
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/44—Preparation of metal salts or ammonium salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/50—Chemical modification of a polymer wherein the polymer is a copolymer and the modification is taking place only on one or more of the monomers present in minority

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
BR8402619A 1983-06-03 1984-05-31 Processo para preparacao de artigo conformado,copolimero,artigo conformado e processo para preparacao de um copolimero poli (vinil alcool) BR8402619A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/500,785 US4528325A (en) 1983-06-03 1983-06-03 Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)

Publications (1)

Publication Number Publication Date
BR8402619A true BR8402619A (pt) 1985-04-30

Family

ID=23990931

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8402619A BR8402619A (pt) 1983-06-03 1984-05-31 Processo para preparacao de artigo conformado,copolimero,artigo conformado e processo para preparacao de um copolimero poli (vinil alcool)

Country Status (13)

Country Link
US (1) US4528325A (pt)
EP (1) EP0128004B1 (pt)
JP (1) JPS606444A (pt)
AR (1) AR243558A1 (pt)
AT (1) ATE59193T1 (pt)
AU (1) AU562188B2 (pt)
BR (1) BR8402619A (pt)
CA (1) CA1238748A (pt)
DE (1) DE3483753D1 (pt)
ES (1) ES532371A0 (pt)
IE (1) IE58064B1 (pt)
IL (1) IL71825A (pt)
NZ (1) NZ208063A (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694037A (en) * 1983-06-03 1987-09-15 Minnesota Mining And Manufacturing Company Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4673539A (en) * 1983-06-03 1987-06-16 Minnesota Mining And Manufacturing Company Process for thermoformed articles
US4618649A (en) * 1983-06-03 1986-10-21 Minnesota Mining And Manufacturing Company Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4598122A (en) * 1985-01-22 1986-07-01 Ciba-Geigy Corporation Polyoxirane crosslinked polyvinyl alcohol hydrogel contact lens
US4786446A (en) * 1985-05-17 1988-11-22 Minnesota Mining And Manufacturing Company Process of forming a hydroxy-substitute polymeric shaped article
DE3688578T2 (de) * 1985-07-31 1993-10-28 Ciba Geigy Polyvinylalkoholderivate und vernetzte Hydrogelkontaktlinsen.
US4640941A (en) * 1985-11-25 1987-02-03 Alcon Laboratories Hydrogels containing siloxane comonomers
US4640965A (en) * 1986-01-07 1987-02-03 Alcon Laboratories, Inc. Hydrogel compositions using p-(2-hydroxyhexafluoroisopropyl) styrene as a comonomer
US4921884A (en) * 1987-02-26 1990-05-01 Minnesota Mining And Manufacturing Company Hydroxy-substituted polymeric shaped hydrogel article
US4851472A (en) * 1987-07-01 1989-07-25 Air Products And Chemicals, Inc. Copolymers of vinyl alcohol and fluorine-containing acrylate monomers
US5108428A (en) * 1988-03-02 1992-04-28 Minnesota Mining And Manufacturing Company Corneal implants and manufacture and use thereof
US4919662A (en) * 1988-09-16 1990-04-24 Minnesota Mining And Manufacturing Company Hydrogel implant lens construction reconfigured dehydrated re-hydrated in situ
US5443727A (en) * 1990-10-30 1995-08-22 Minnesota Mining And Manufacturing Company Articles having a polymeric shell and method for preparing same
US6132849A (en) * 1990-10-30 2000-10-17 Minnesota Mining And Manufacturing Company Receptive media for permanent imaging and methods of preparing and using same
US5292514A (en) * 1992-06-24 1994-03-08 Minnesota Mining And Manufacturing Company Azlactone-functional substrates, corneal prostheses, and manufacture and use thereof
US5712355A (en) * 1995-02-03 1998-01-27 E. I. Du Pont De Nemours And Company Fluoromonomer/functionalized hydrocarbon monomer copolymerization process and copolymer product
US20040265351A1 (en) * 2003-04-10 2004-12-30 Miller Richard L. Methods and compositions for enhancing immune response
AU2004244962A1 (en) * 2003-04-10 2004-12-16 3M Innovative Properties Company Delivery of immune response modifier compounds using metal-containing particulate support materials
US7591557B2 (en) * 2005-05-10 2009-09-22 Wtp Optics, Inc. Solid state method and apparatus for making lenses and lens components
US7602301B1 (en) * 2006-01-09 2009-10-13 Applied Technology Holdings, Inc. Apparatus, systems, and methods for gathering and processing biometric and biomechanical data

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436144A (en) * 1944-03-20 1948-02-17 Du Pont Vinyl fluoroacetates and polymers derived therefrom
US3220960A (en) * 1960-12-21 1965-11-30 Wichterle Otto Cross-linked hydrophilic polymers and articles made therefrom
GB1059970A (en) * 1963-03-11 1967-02-22 Kurashiki Rayon Kk Novel crystalline polyvinyl alcohol, the materials containing said polyvinyl alcohol and methods preparing them
DE1495381B2 (de) * 1963-09-07 1971-06-24 Czeskoslovenska akademie ved , Prag Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen
US3388199A (en) * 1965-03-15 1968-06-11 Monsanto Co Preparation of acrylonitrile-vinyl alcohol copolymers
JPS6031844B2 (ja) * 1977-01-24 1985-07-24 株式会社クラレ カルボキシル基変性ポリビニルアルコ−ルの製造法
JPS6020502B2 (ja) * 1977-02-16 1985-05-22 ライオン株式会社 液状洗濯糊剤組成物

Also Published As

Publication number Publication date
DE3483753D1 (de) 1991-01-31
IL71825A (en) 1987-12-20
AR243558A1 (es) 1993-08-31
IE841841L (en) 1986-01-17
JPS606444A (ja) 1985-01-14
ES8506767A1 (es) 1985-08-01
EP0128004A2 (en) 1984-12-12
JPH0371965B2 (pt) 1991-11-15
AU562188B2 (en) 1987-06-04
EP0128004A3 (en) 1986-08-13
IE58064B1 (en) 1993-06-30
EP0128004B1 (en) 1990-12-19
ATE59193T1 (de) 1991-01-15
CA1238748A (en) 1988-06-28
ES532371A0 (es) 1985-08-01
US4528325A (en) 1985-07-09
NZ208063A (en) 1989-06-28
AU2767884A (en) 1984-12-06
IL71825A0 (en) 1984-09-30

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 31/05/99