NO20004870L - Procedure for staining soft, hydrophilic contact lenses - Google Patents

Procedure for staining soft, hydrophilic contact lenses

Info

Publication number
NO20004870L
NO20004870L NO20004870A NO20004870A NO20004870L NO 20004870 L NO20004870 L NO 20004870L NO 20004870 A NO20004870 A NO 20004870A NO 20004870 A NO20004870 A NO 20004870A NO 20004870 L NO20004870 L NO 20004870L
Authority
NO
Norway
Prior art keywords
contact lenses
lenses
procedure
hydrophilic contact
soft
Prior art date
Application number
NO20004870A
Other languages
Norwegian (no)
Other versions
NO20004870D0 (en
Inventor
Corinne Grollier
Original Assignee
Essilor Int
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 Essilor Int filed Critical Essilor Int
Publication of NO20004870D0 publication Critical patent/NO20004870D0/en
Publication of NO20004870L publication Critical patent/NO20004870L/en

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
    • B29D11/00317—Production of lenses with markings or patterns
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

En fremgangsmåte for fremstilling av myke, hydrofile kontaktlinser omfatter å anbringe linsene i kontakt med en vandig oppløsning inneholdende et oppløsningsmiddel for svelling av polymermaterialet som utgjør linsene, og et fargestoff valgt blant kromazokomplekssalter og deres blandinger, og deretter å fjerne linsene fra oppløsningen. Metoden anvendes særlig for fremstilling av brunfargede kontaktlinser.A method of preparing soft, hydrophilic contact lenses comprises contacting the lenses with an aqueous solution containing a solvent for swelling of the polymeric material constituting the lenses, and a dye selected from chromazo complex salts and their mixtures, and then removing the lenses from the solution. The method is particularly used for the preparation of tan contact lenses.

NO20004870A 1999-01-28 2000-09-28 Procedure for staining soft, hydrophilic contact lenses NO20004870L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9900958A FR2789081B1 (en) 1999-01-28 1999-01-28 METHOD FOR COLORING FLEXIBLE HYDROPHILIC CONTACT LENSES
PCT/FR2000/000102 WO2000045198A1 (en) 1999-01-28 2000-01-19 Method for colouring flexible hydrophilic contact lenses

Publications (2)

Publication Number Publication Date
NO20004870D0 NO20004870D0 (en) 2000-09-28
NO20004870L true NO20004870L (en) 2000-09-28

Family

ID=9541325

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20004870A NO20004870L (en) 1999-01-28 2000-09-28 Procedure for staining soft, hydrophilic contact lenses

Country Status (5)

Country Link
EP (1) EP1078284A1 (en)
JP (1) JP2002535733A (en)
FR (1) FR2789081B1 (en)
NO (1) NO20004870L (en)
WO (1) WO2000045198A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047156A1 (en) * 2004-09-29 2006-03-30 Stefan Kloth Care-, cleaning- or storage-solutions for contact lenses contain a soluble and rinsable dye able to color the lenses within 12 hours
US8461226B2 (en) * 2009-07-24 2013-06-11 Bausch & Lomb Incorporated Contact lens
JP5936055B2 (en) * 2012-06-26 2016-06-15 彦之 今野 Method for manufacturing orthodontic contact lenses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH284873A4 (en) * 1972-03-03 1975-10-15
JPS58104286A (en) * 1981-12-16 1983-06-21 ジェイエスアール株式会社 Production of colored molded product
JP3159320B2 (en) * 1990-03-30 2001-04-23 ホーヤ株式会社 Method of coloring polymer

Also Published As

Publication number Publication date
NO20004870D0 (en) 2000-09-28
JP2002535733A (en) 2002-10-22
FR2789081B1 (en) 2001-04-20
EP1078284A1 (en) 2001-02-28
WO2000045198A1 (en) 2000-08-03
FR2789081A1 (en) 2000-08-04

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application