GB2298819B - Method and apparatus for tinting hydrogel soft contact lens - Google Patents

Method and apparatus for tinting hydrogel soft contact lens

Info

Publication number
GB2298819B
GB2298819B GB9505029A GB9505029A GB2298819B GB 2298819 B GB2298819 B GB 2298819B GB 9505029 A GB9505029 A GB 9505029A GB 9505029 A GB9505029 A GB 9505029A GB 2298819 B GB2298819 B GB 2298819B
Authority
GB
United Kingdom
Prior art keywords
tinting
contact lens
soft contact
hydrogel soft
hydrogel
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
GB9505029A
Other versions
GB2298819A (en
GB9505029D0 (en
Inventor
Tejprakash Singh Matharu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9505029A priority Critical patent/GB2298819B/en
Publication of GB9505029D0 publication Critical patent/GB9505029D0/en
Publication of GB2298819A publication Critical patent/GB2298819A/en
Application granted granted Critical
Publication of GB2298819B publication Critical patent/GB2298819B/en
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
    • B29D11/00865—Applying coatings; tinting; colouring
    • B29D11/00894—Applying coatings; tinting; colouring colouring or tinting
    • B29D11/00903—Applying coatings; tinting; colouring colouring or tinting on the surface
GB9505029A 1995-03-13 1995-03-13 Method and apparatus for tinting hydrogel soft contact lens Expired - Fee Related GB2298819B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9505029A GB2298819B (en) 1995-03-13 1995-03-13 Method and apparatus for tinting hydrogel soft contact lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9505029A GB2298819B (en) 1995-03-13 1995-03-13 Method and apparatus for tinting hydrogel soft contact lens

Publications (3)

Publication Number Publication Date
GB9505029D0 GB9505029D0 (en) 1995-05-03
GB2298819A GB2298819A (en) 1996-09-18
GB2298819B true GB2298819B (en) 1997-12-10

Family

ID=10771120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9505029A Expired - Fee Related GB2298819B (en) 1995-03-13 1995-03-13 Method and apparatus for tinting hydrogel soft contact lens

Country Status (1)

Country Link
GB (1) GB2298819B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110065214B (en) * 2019-05-28 2021-05-14 绍兴市载沣智能科技有限公司 Plastic waste film extruder adopting reciprocating shaking type filter screen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202540A (en) * 1986-12-19 1988-09-28 Igel Int Ltd Coloured hydrogel objects and their production
US5244470A (en) * 1989-09-20 1993-09-14 Menicon Co., Ltd. Method for marking a water-absorptive contact lens: dyeing dry lens with a mark using reduced vat dye and then making the dye insoluble
EP0569041A1 (en) * 1992-05-08 1993-11-10 Menicon Co., Ltd. Marking apparatus for contact lenses

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202540A (en) * 1986-12-19 1988-09-28 Igel Int Ltd Coloured hydrogel objects and their production
US5244470A (en) * 1989-09-20 1993-09-14 Menicon Co., Ltd. Method for marking a water-absorptive contact lens: dyeing dry lens with a mark using reduced vat dye and then making the dye insoluble
EP0569041A1 (en) * 1992-05-08 1993-11-10 Menicon Co., Ltd. Marking apparatus for contact lenses

Also Published As

Publication number Publication date
GB2298819A (en) 1996-09-18
GB9505029D0 (en) 1995-05-03

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Legal Events

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

Effective date: 20040313