GB2019721A - Method and materials for cleaning soft contact lenses - Google Patents

Method and materials for cleaning soft contact lenses

Info

Publication number
GB2019721A
GB2019721A GB7838873A GB7838873A GB2019721A GB 2019721 A GB2019721 A GB 2019721A GB 7838873 A GB7838873 A GB 7838873A GB 7838873 A GB7838873 A GB 7838873A GB 2019721 A GB2019721 A GB 2019721A
Authority
GB
United Kingdom
Prior art keywords
solution
lens
contact lenses
soft contact
cleaning solution
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.)
Granted
Application number
GB7838873A
Other versions
GB2019721B (en
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.)
Bedding P M J
Original Assignee
Bedding P M J
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 Bedding P M J filed Critical Bedding P M J
Priority to PCT/SE1979/000097 priority Critical patent/WO1979000963A1/en
Priority to NO791335A priority patent/NO153107C/en
Priority to CH1153779A priority patent/CH643663A5/en
Priority to FI791296A priority patent/FI791296A/en
Priority to JP50072079A priority patent/JPS55500262A/ja
Priority to DE7979850032T priority patent/DE2965421D1/en
Priority to EP79850032A priority patent/EP0005131B1/en
Publication of GB2019721A publication Critical patent/GB2019721A/en
Priority to EP79900454A priority patent/EP0015968A1/en
Application granted granted Critical
Publication of GB2019721B publication Critical patent/GB2019721B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0078—Compositions for cleaning contact lenses, spectacles or lenses
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38627—Preparations containing enzymes, e.g. protease or amylase containing lipase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Eyeglasses (AREA)
  • Detergent Compositions (AREA)

Abstract

A cleaning solution for soft contact lenses is described. The solution differs from previously known solutions in that it includes lipolytic enzyme in addition to Papain or Bromelain so that not only are Albumin deposits removed from the surface of the lens but also any lipids present are also split into fatty acids and esters for removal by subsequent rinsing and boiling in physiological saline solution. A supplementary cleaning solution comprises a Lipase and phosphate buffer which is typically applied to the lens after the primary cleaning solution and before the rinsing and boiling stage. By utilising a stable enzyme containing solution, only relatively small volumes of the liquid are required to clean a lens and the solution is applied using a droplet technique.
GB7838873A 1978-04-21 1978-10-02 Method and materials for cleaning soft contact lenses Expired GB2019721B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NO791335A NO153107C (en) 1978-04-21 1979-04-20 CLEANING CLEANING FOR CLEANING CONTACT LENSES.
CH1153779A CH643663A5 (en) 1978-04-21 1979-04-20 DRY SUBSTANCE COMPOSITION AND THEIR USE FOR PRODUCING CLEANING LIQUIDS FOR SOFT CONTACT SHELLS.
FI791296A FI791296A (en) 1978-04-21 1979-04-20 FARING MATERIAL FOR MATERIAL PUTSNING AV MJUKA KONTAKTLINSER
JP50072079A JPS55500262A (en) 1978-04-21 1979-04-20
PCT/SE1979/000097 WO1979000963A1 (en) 1978-04-21 1979-04-20 Methods and materials for cleaning soft contact lenses
DE7979850032T DE2965421D1 (en) 1978-04-21 1979-04-23 Methods and materials for cleaning soft contact lenses
EP79850032A EP0005131B1 (en) 1978-04-21 1979-04-23 Methods and materials for cleaning soft contact lenses
EP79900454A EP0015968A1 (en) 1978-04-21 1979-11-19 Methods and materials for cleaning soft contact lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7804614A SE411152B (en) 1978-04-21 1978-04-21 WAY TO CLEAN SOFT CONTACT LENSES

Publications (2)

Publication Number Publication Date
GB2019721A true GB2019721A (en) 1979-11-07
GB2019721B GB2019721B (en) 1982-06-30

Family

ID=20334707

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7836972A Expired GB2029225B (en) 1978-04-21 1978-10-02 Method and materials for cleaning soft contact lenses
GB7838873A Expired GB2019721B (en) 1978-04-21 1978-10-02 Method and materials for cleaning soft contact lenses

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB7836972A Expired GB2029225B (en) 1978-04-21 1978-10-02 Method and materials for cleaning soft contact lenses

Country Status (2)

Country Link
GB (2) GB2029225B (en)
SE (2) SE411152B (en)

Also Published As

Publication number Publication date
GB2019721B (en) 1982-06-30
GB2029225A (en) 1980-03-19
SE407470B (en) 1980-03-26
SE7804614L (en) 1979-10-22
SE411152B (en) 1979-12-03
SE7910497L (en) 1979-12-19
GB2029225B (en) 1982-06-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee