DE69511067T2 - Verfahren zur behandlung von kontaktlinsen mit superkritischen fluidum - Google Patents

Verfahren zur behandlung von kontaktlinsen mit superkritischen fluidum

Info

Publication number
DE69511067T2
DE69511067T2 DE69511067T DE69511067T DE69511067T2 DE 69511067 T2 DE69511067 T2 DE 69511067T2 DE 69511067 T DE69511067 T DE 69511067T DE 69511067 T DE69511067 T DE 69511067T DE 69511067 T2 DE69511067 T2 DE 69511067T2
Authority
DE
Germany
Prior art keywords
fluidum
supercritical
contact lenses
treating contact
treating
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.)
Expired - Fee Related
Application number
DE69511067T
Other languages
English (en)
Other versions
DE69511067D1 (de
Inventor
Rajan Bawa
Frank Tasber
Dennis Hahn
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
Application granted granted Critical
Publication of DE69511067D1 publication Critical patent/DE69511067D1/de
Publication of DE69511067T2 publication Critical patent/DE69511067T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B29D11/00201—Demoulding, e.g. separating lenses from mould halves using cooling means
    • 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
    • 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
DE69511067T 1994-01-31 1995-01-24 Verfahren zur behandlung von kontaktlinsen mit superkritischen fluidum Expired - Fee Related DE69511067T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18934794A 1994-01-31 1994-01-31
PCT/US1995/001021 WO1995020476A1 (en) 1994-01-31 1995-01-24 Treatment of contact lenses with supercritical fluid

Publications (2)

Publication Number Publication Date
DE69511067D1 DE69511067D1 (de) 1999-09-02
DE69511067T2 true DE69511067T2 (de) 1999-12-09

Family

ID=22696923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69511067T Expired - Fee Related DE69511067T2 (de) 1994-01-31 1995-01-24 Verfahren zur behandlung von kontaktlinsen mit superkritischen fluidum

Country Status (13)

Country Link
US (3) US6071439A (de)
EP (1) EP0741637B1 (de)
JP (2) JP3447296B2 (de)
KR (1) KR100346485B1 (de)
CN (1) CN1061589C (de)
AU (1) AU689850B2 (de)
BR (1) BR9507054A (de)
CA (1) CA2181984C (de)
DE (1) DE69511067T2 (de)
ES (1) ES2137495T3 (de)
HK (1) HK1013809A1 (de)
MX (1) MX9603063A (de)
WO (1) WO1995020476A1 (de)

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DE102008020197A1 (de) * 2008-04-15 2009-10-22 Gelita Ag Schnell benetzbares, Hydrokolloid enthaltendes Material, Verfahren zu dessen Herstellung sowie dessen Verwendung

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Also Published As

Publication number Publication date
AU1607695A (en) 1995-08-15
CN1142209A (zh) 1997-02-05
US6180031B1 (en) 2001-01-30
US6071439A (en) 2000-06-06
CA2181984C (en) 2000-06-13
JPH09511000A (ja) 1997-11-04
WO1995020476A1 (en) 1995-08-03
HK1013809A1 (en) 1999-09-10
CN1061589C (zh) 2001-02-07
AU689850B2 (en) 1998-04-09
EP0741637B1 (de) 1999-07-28
MX9603063A (es) 1997-05-31
EP0741637A1 (de) 1996-11-13
KR100346485B1 (ko) 2002-11-30
BR9507054A (pt) 1997-09-16
JP3447296B2 (ja) 2003-09-16
US6610221B2 (en) 2003-08-26
JP2004004814A (ja) 2004-01-08
US20010048506A1 (en) 2001-12-06
ES2137495T3 (es) 1999-12-16
DE69511067D1 (de) 1999-09-02

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