AU5609000A - Process for removing extractables from polymeric contact lenses - Google Patents

Process for removing extractables from polymeric contact lenses

Info

Publication number
AU5609000A
AU5609000A AU56090/00A AU5609000A AU5609000A AU 5609000 A AU5609000 A AU 5609000A AU 56090/00 A AU56090/00 A AU 56090/00A AU 5609000 A AU5609000 A AU 5609000A AU 5609000 A AU5609000 A AU 5609000A
Authority
AU
Australia
Prior art keywords
contact lenses
polymeric contact
removing extractables
extractables
polymeric
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.)
Abandoned
Application number
AU56090/00A
Inventor
Madhu Ayyagari
Mahendra Nandu
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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb Inc
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 Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Publication of AU5609000A publication Critical patent/AU5609000A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
    • 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
    • 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
    • B29C2071/0036—Extracting, degassing, removing gases from moulded articles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
AU56090/00A 1999-07-01 2000-06-13 Process for removing extractables from polymeric contact lenses Abandoned AU5609000A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14215999P 1999-07-01 1999-07-01
US60142159 1999-07-01
PCT/US2000/016172 WO2001002881A1 (en) 1999-07-01 2000-06-13 Process for removing extractables from polymeric contact lenses

Publications (1)

Publication Number Publication Date
AU5609000A true AU5609000A (en) 2001-01-22

Family

ID=22498771

Family Applications (1)

Application Number Title Priority Date Filing Date
AU56090/00A Abandoned AU5609000A (en) 1999-07-01 2000-06-13 Process for removing extractables from polymeric contact lenses

Country Status (2)

Country Link
AU (1) AU5609000A (en)
WO (1) WO2001002881A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4769408B2 (en) 2000-11-03 2011-09-07 ジヨンソン・アンド・ジヨンソン・ビジヨン・ケア・インコーポレーテツド Solvents useful for the preparation of polymers containing hydrophilic and hydrophobic monomers
CN1633459A (en) * 2002-02-18 2005-06-29 南农股份公司 Methods of treating polymeric substrates
US20030222362A1 (en) * 2002-03-28 2003-12-04 Bausch & Lomb Incorporated Process for extracting biomedical devices
US20050258096A1 (en) * 2004-05-21 2005-11-24 Bausch & Lomb Incorporated Process for extracting biomedical devices
US20070138669A1 (en) * 2005-12-21 2007-06-21 Yu-Chin Lai Process for Casting and Extracting Biomedical Devices
US8317505B2 (en) 2007-08-21 2012-11-27 Johnson & Johnson Vision Care, Inc. Apparatus for formation of an ophthalmic lens precursor and lens
US8313828B2 (en) 2008-08-20 2012-11-20 Johnson & Johnson Vision Care, Inc. Ophthalmic lens precursor and lens
US8318055B2 (en) 2007-08-21 2012-11-27 Johnson & Johnson Vision Care, Inc. Methods for formation of an ophthalmic lens precursor and lens
US7905594B2 (en) 2007-08-21 2011-03-15 Johnson & Johnson Vision Care, Inc. Free form ophthalmic lens
US9417464B2 (en) 2008-08-20 2016-08-16 Johnson & Johnson Vision Care, Inc. Method and apparatus of forming a translating multifocal contact lens having a lower-lid contact surface
US8240849B2 (en) 2009-03-31 2012-08-14 Johnson & Johnson Vision Care, Inc. Free form lens with refractive index variations
US8807076B2 (en) 2010-03-12 2014-08-19 Johnson & Johnson Vision Care, Inc. Apparatus for vapor phase processing ophthalmic devices
US9645412B2 (en) 2014-11-05 2017-05-09 Johnson & Johnson Vision Care Inc. Customized lens device and method
US10359643B2 (en) 2015-12-18 2019-07-23 Johnson & Johnson Vision Care, Inc. Methods for incorporating lens features and lenses having such features
GB201700346D0 (en) * 2017-01-09 2017-02-22 Additive Mfg Tech Ltd Improvements to additive manufacturing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04501924A (en) * 1989-09-14 1992-04-02 チヤン，シン―シウン Non-irritating gas permeable soft contact lens and method for manufacturing the same
US5607518A (en) * 1995-02-22 1997-03-04 Ciba Geigy Corporation Methods of deblocking, extracting and cleaning polymeric articles with supercritical fluids
JPH1075971A (en) * 1996-09-02 1998-03-24 Menicon Co Ltd Production of ocular lens

Also Published As

Publication number Publication date
WO2001002881A1 (en) 2001-01-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase