FR2236479B1 - - Google Patents

Info

Publication number
FR2236479B1
FR2236479B1 FR7324497A FR7324497A FR2236479B1 FR 2236479 B1 FR2236479 B1 FR 2236479B1 FR 7324497 A FR7324497 A FR 7324497A FR 7324497 A FR7324497 A FR 7324497A FR 2236479 B1 FR2236479 B1 FR 2236479B1
Authority
FR
France
Prior art keywords
dithizonate
substrate
metal
july
solvent
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
Application number
FR7324497A
Other languages
French (fr)
Other versions
FR2236479A1 (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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of FR2236479A1 publication Critical patent/FR2236479A1/fr
Application granted granted Critical
Publication of FR2236479B1 publication Critical patent/FR2236479B1/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/02—Goggles
    • A61F9/022—Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs
    • A61F9/023—Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs with variable transmission, e.g. photochromic
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/102—Photochromic filters
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/16—Laminated or compound lenses

Abstract

1413544 Photochromic polymer compositions AMERICAN OPTICAL CORP 3 July 1973 [3 July 1972 15 June 1973] 31634/73 Heading C3P [Also in Divisions G2 and C4] A photochromic light filter, e.g. in ski goggles or sun-glasses comprises a transparent plastics substrate containing a metal dithizonate, the filter being formed by immersion in a saturated metal dithizonate solution at an elevated temperature so as to imbibe the dithizonate into the substrate, the solution solvent being a non- solvent for the substrate. Detailed metal dithizonates are exemplified, and also substrates such as polyallyl diglycol carbonate, polycarbonate and poly-lower aliphatic methacrylates.
FR7324497A 1972-07-03 1973-06-29 Expired FR2236479B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26831772A 1972-07-03 1972-07-03
US37024773A 1973-06-15 1973-06-15

Publications (2)

Publication Number Publication Date
FR2236479A1 FR2236479A1 (en) 1975-02-07
FR2236479B1 true FR2236479B1 (en) 1977-09-16

Family

ID=26953003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324497A Expired FR2236479B1 (en) 1972-07-03 1973-06-29

Country Status (6)

Country Link
AT (1) AT329281B (en)
CA (1) CA1010273A (en)
CH (1) CH607068A5 (en)
FR (1) FR2236479B1 (en)
GB (1) GB1413544A (en)
IT (1) IT994079B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8234283D0 (en) * 1982-12-01 1995-04-12 Secr Defence Improvements in or relating to surveillance apparatus
WO1988002871A1 (en) * 1986-10-16 1988-04-21 Suntiger, Incorporated Ultraviolet radiation and blue light blocking polarizing lens
US5177509A (en) * 1987-02-26 1993-01-05 Suntiger, Inc. Ultraviolet radiation and blue light blocking polarizing lens
JP2613486B2 (en) * 1990-03-30 1997-05-28 旭光学工業株式会社 Laminated spectacle lens and method of manufacturing the same
DE9200977U1 (en) * 1992-01-28 1992-05-27 Sasaki, Keisuke, Tokio/Tokyo, Jp
DE4423904A1 (en) * 1994-07-10 1996-01-11 Rodenstock Optik G Photochromic substances (car)
KR100399250B1 (en) * 2001-08-30 2003-09-26 김수진 Photochromic power of sunglasses lens for light-polarizing and method of making same
EP3287266A1 (en) * 2016-08-17 2018-02-28 Dongguan Koda Optical Lens Co.,Ltd. DONGGUAN KODA OPTICAL LENS CO.,LTD. A method of manufacturing photochromic lens and article thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1438522A (en) * 1965-04-01 1966-05-13 Saint Gobain Variable transmission glazing
US3666352A (en) * 1970-01-22 1972-05-30 Charles A Wagner Rate controlled photochromic lenses of vinyl chloride-vinyl acetate copolymer containing a mercury thiocarbazone compound

Also Published As

Publication number Publication date
ATA576973A (en) 1975-07-15
FR2236479A1 (en) 1975-02-07
IT994079B (en) 1975-10-20
AT329281B (en) 1976-05-10
GB1413544A (en) 1975-11-12
CH607068A5 (en) 1978-11-30
CA1010273A (en) 1977-05-17

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse