NO973809L - Fremgangsmåte ved avblokkering, ekstrahering og rensing av polymere artikler med superkritisk fluidum - Google Patents

Fremgangsmåte ved avblokkering, ekstrahering og rensing av polymere artikler med superkritisk fluidum

Info

Publication number
NO973809L
NO973809L NO973809A NO973809A NO973809L NO 973809 L NO973809 L NO 973809L NO 973809 A NO973809 A NO 973809A NO 973809 A NO973809 A NO 973809A NO 973809 L NO973809 L NO 973809L
Authority
NO
Norway
Prior art keywords
supercritical fluid
mold
lens
polymeric article
unblocking
Prior art date
Application number
NO973809A
Other languages
English (en)
Norwegian (no)
Other versions
NO973809D0 (no
Inventor
Roger James Hoffman
Jr Wilson Leonard Terry
Original Assignee
Ciba Geigy 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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of NO973809D0 publication Critical patent/NO973809D0/no
Publication of NO973809L publication Critical patent/NO973809L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00192—Demoulding, e.g. separating lenses from mould halves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • B08B3/104—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid using propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/009—After-treatment of articles without altering their shape; Apparatus therefor using gases without chemical reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00076—Production of contact lenses enabling passage of fluids, e.g. oxygen, tears, between the area under the lens and the lens exterior
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • B29C2071/0027—Removing undesirable residual components, e.g. solvents, unreacted monomers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • B29C2071/0054—Supercritical fluid treatment, i.e. using a liquid in which distinct liquid and gas phases do not exist
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Eyeglasses (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NO973809A 1995-02-22 1997-08-19 Fremgangsmåte ved avblokkering, ekstrahering og rensing av polymere artikler med superkritisk fluidum NO973809L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/393,107 US5607518A (en) 1995-02-22 1995-02-22 Methods of deblocking, extracting and cleaning polymeric articles with supercritical fluids
PCT/EP1996/000554 WO1996026059A1 (en) 1995-02-22 1996-02-09 Method of deblocking, extracting and cleaning polymeric articles with supercritical fluid

Publications (2)

Publication Number Publication Date
NO973809D0 NO973809D0 (no) 1997-08-19
NO973809L true NO973809L (no) 1997-10-22

Family

ID=23553303

Family Applications (1)

Application Number Title Priority Date Filing Date
NO973809A NO973809L (no) 1995-02-22 1997-08-19 Fremgangsmåte ved avblokkering, ekstrahering og rensing av polymere artikler med superkritisk fluidum

Country Status (19)

Country Link
US (1) US5607518A (2)
EP (1) EP0809564B1 (2)
JP (1) JPH11500078A (2)
KR (1) KR19980702373A (2)
CN (1) CN1175921A (2)
AT (1) ATE179924T1 (2)
AU (1) AU4623296A (2)
BR (1) BR9607340A (2)
CA (1) CA2211023A1 (2)
CZ (1) CZ266197A3 (2)
DE (1) DE69602427T2 (2)
FI (1) FI973381L (2)
HU (1) HUP9702450A2 (2)
IL (1) IL117143A0 (2)
NO (1) NO973809L (2)
PL (1) PL321941A1 (2)
TW (1) TW291541B (2)
WO (1) WO1996026059A1 (2)
ZA (1) ZA961365B (2)

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US5860467A (en) 1996-12-03 1999-01-19 The University Of North Carolina At Chapel Hill Use of CO2 -soluble materials in making molds
US6497000B1 (en) * 1999-09-30 2002-12-24 Novartis Ag Apparatus for cleaning ophthalmic components
AU5609000A (en) * 1999-07-01 2001-01-22 Bausch & Lomb Incorporated Process for removing extractables from polymeric contact lenses
AT407967B (de) * 1999-08-26 2001-07-25 Schmoll Ralph Vorrichtung zum abblocken von optischen gläsern, insbesondere von brillengläsern
JP2001158827A (ja) * 1999-09-21 2001-06-12 Daicel Chem Ind Ltd プラスチック成形品の表面改質方法及び表面改質プラスチック成形品
AU7478800A (en) * 1999-09-24 2001-04-30 Bausch & Lomb Incorporated Process for purifying and reusing solvent used to remove extractables
EP1224073B2 (en) † 1999-10-27 2010-11-24 Novartis AG Deblocking contact lenses
US6514438B1 (en) * 1999-12-21 2003-02-04 Bausch & Lomb Incorporated Pulse extraction of ocular medical devices
US20030208278A1 (en) * 2000-09-29 2003-11-06 Robert Richard Supercritical fluid treatment of irradiated polyethylene
US6939487B1 (en) * 2000-10-13 2005-09-06 Novartis A.G. Deblocking contact lenses
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US7186364B2 (en) * 2002-01-28 2007-03-06 Depuy Products, Inc. Composite prosthetic bearing constructed of polyethylene and an ethylene-acrylate copolymer and method for making the same
US7819925B2 (en) * 2002-01-28 2010-10-26 Depuy Products, Inc. Composite prosthetic bearing having a crosslinked articulating surface and method for making the same
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US7938861B2 (en) * 2003-04-15 2011-05-10 Depuy Products, Inc. Implantable orthopaedic device and method for making the same
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JP4495476B2 (ja) * 2004-02-09 2010-07-07 Ｈｏｙａ株式会社 反射防止膜を有する光学素子の製造方法
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EP1611877A1 (en) * 2004-06-28 2006-01-04 Universidade de Coimbra Method for preparing sustained-release therapeutic ophthalmic articles using compressed fluids for impregnation of drugs
US7384430B2 (en) * 2004-06-30 2008-06-10 Depuy Products, Inc. Low crystalline polymeric material for orthopaedic implants and an associated method
US7470767B2 (en) * 2004-08-05 2008-12-30 Mallinckrodt Baker, Inc. Preparation of ultrapure polymeric articles
US20060078592A1 (en) * 2004-10-12 2006-04-13 Bausch & Lomb Incorporated Drug delivery systems
US20060130881A1 (en) * 2004-12-21 2006-06-22 Sanjay Rastogi Method of cleaning optical tools for making contact lens molds using super-cooled fluids
US20060131769A1 (en) * 2004-12-22 2006-06-22 Bausch & Lomb Incorporated Pre-polymer extraction using a super-cooled fluid
US7896921B2 (en) * 2004-12-30 2011-03-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
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US20070132121A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Method of cleaning molds using super-cooled fluids
US20070132125A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Use of a super-cooled fluid in lens processing
US20070132120A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Preferential release of an ophthalmic lens using a super-cooled fluid
US20070132119A1 (en) * 2005-12-08 2007-06-14 Bausch & Lomb Incorporated Use of a super-cooled fluid in the manufacture of contact lenses
US20070132118A1 (en) * 2005-12-09 2007-06-14 Bausch And Lomb Incorporated Method and Apparatus for Treatment of a Device-in-Mold Assembly with a Supercritical Fluid
US20070138670A1 (en) * 2005-12-20 2007-06-21 Bausch And Lomb Incorporated Method and Apparatus for the Dry Release of a Compliant Opthalmic Article from a Mold Surface
US7811483B2 (en) * 2006-06-01 2010-10-12 Coopervision International Holding Company, Lp Delensing of ophthalmic lenses using gas
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FR3032904B1 (fr) * 2015-02-19 2017-11-10 Prodways Procede de post-traitement d'objets tridimensionnels fabriques par stereolithographie
WO2016198405A1 (en) * 2015-06-08 2016-12-15 Eidgenössische Technische Hochschule Zürich Polymer compositions and processing thereof
DE102015219948A1 (de) * 2015-10-14 2017-04-20 Volkswagen Aktiengesellschaft Verfahren zur Entfernung von Monomeren und/oder Oligomeren aus einem durch Polymerisation entstandenen Bauteil
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Also Published As

Publication number Publication date
EP0809564B1 (en) 1999-05-12
DE69602427D1 (de) 1999-06-17
AU4623296A (en) 1996-09-11
KR19980702373A (ko) 1998-07-15
CN1175921A (zh) 1998-03-11
PL321941A1 (en) 1998-01-05
EP0809564A1 (en) 1997-12-03
US5607518A (en) 1997-03-04
DE69602427T2 (de) 1999-10-07
TW291541B (2) 1996-11-21
ATE179924T1 (de) 1999-05-15
WO1996026059A1 (en) 1996-08-29
HUP9702450A2 (hu) 1998-03-30
FI973381A7 (fi) 1997-08-18
FI973381A0 (fi) 1997-08-18
IL117143A0 (en) 1996-06-18
FI973381L (fi) 1997-08-18
NO973809D0 (no) 1997-08-19
ZA961365B (en) 1996-08-22
JPH11500078A (ja) 1999-01-06
CA2211023A1 (en) 1996-08-29
CZ266197A3 (en) 1997-11-12
MX9706417A (es) 1997-11-29
BR9607340A (pt) 1997-11-25

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