FR2140638B1 - - Google Patents

Info

Publication number
FR2140638B1
FR2140638B1 FR7220890A FR7220890A FR2140638B1 FR 2140638 B1 FR2140638 B1 FR 2140638B1 FR 7220890 A FR7220890 A FR 7220890A FR 7220890 A FR7220890 A FR 7220890A FR 2140638 B1 FR2140638 B1 FR 2140638B1
Authority
FR
France
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
Application number
FR7220890A
Other languages
French (fr)
Other versions
FR2140638A1 (enrdf_load_stackoverflow
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of FR2140638A1 publication Critical patent/FR2140638A1/fr
Application granted granted Critical
Publication of FR2140638B1 publication Critical patent/FR2140638B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR7220890A 1971-06-11 1972-06-09 Expired FR2140638B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15207671A 1971-06-11 1971-06-11

Publications (2)

Publication Number Publication Date
FR2140638A1 FR2140638A1 (enrdf_load_stackoverflow) 1973-01-19
FR2140638B1 true FR2140638B1 (enrdf_load_stackoverflow) 1977-12-23

Family

ID=22541421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220890A Expired FR2140638B1 (enrdf_load_stackoverflow) 1971-06-11 1972-06-09

Country Status (6)

Country Link
CA (1) CA964908A (enrdf_load_stackoverflow)
DE (1) DE2228528A1 (enrdf_load_stackoverflow)
FR (1) FR2140638B1 (enrdf_load_stackoverflow)
GB (1) GB1367846A (enrdf_load_stackoverflow)
IT (1) IT956454B (enrdf_load_stackoverflow)
NL (1) NL7207878A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129155B (en) * 1982-10-13 1987-05-20 Ng Trustees & Nominees Ltd Bifocal contact lenses
JPS6157908A (ja) * 1984-08-30 1986-03-25 Seizo Miyata 光学用樹脂組成物
GB2217869A (en) * 1988-04-22 1989-11-01 Ceskoslovenska Akademie Ved Contact lenses
US5173723A (en) * 1990-10-02 1992-12-22 Volk Donald A Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens
US5198844A (en) * 1991-07-10 1993-03-30 Johnson & Johnson Vision Products, Inc. Segmented multifocal contact lens
CZ282423B6 (cs) * 1992-01-28 1997-07-16 Johnson & Johnson Vision Products, Inc. Multifokální refrakční čočka a způsob její výroby
US5936704A (en) 1997-12-22 1999-08-10 Gabrielian; Grant Marked contact lens bearing optical marking element
US6024448A (en) * 1998-03-31 2000-02-15 Johnson & Johnson Vision Products, Inc. Contact lenses bearing identifying marks
US6203156B1 (en) 1998-03-31 2001-03-20 Johnson & Johnson Vision Care, Inc. Contact lenses bearing marks
US6609041B1 (en) 1999-05-05 2003-08-19 Johnson & Johnson Vision Care, Inc. Method and system for SKU tracking and changeover
GB2364136B (en) * 2000-06-29 2004-11-17 Brian David Cantor Multifocal contact lenses
WO2007002487A2 (en) 2005-06-24 2007-01-04 Boston Foundation For Sight Scleral contact lens with grooves and method of making lens
EP2458427B1 (en) * 2007-01-16 2015-09-02 Menicon Co., Ltd. Contact lens and method of producing contact lens

Also Published As

Publication number Publication date
NL7207878A (enrdf_load_stackoverflow) 1972-12-13
CA964908A (en) 1975-03-25
DE2228528A1 (de) 1973-01-04
IT956454B (it) 1973-10-10
GB1367846A (en) 1974-09-25
FR2140638A1 (enrdf_load_stackoverflow) 1973-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse