GB637677A - Improvements in laminated lenses and similar objects - Google Patents

Improvements in laminated lenses and similar objects

Info

Publication number
GB637677A
GB637677A GB21853/47A GB2185347A GB637677A GB 637677 A GB637677 A GB 637677A GB 21853/47 A GB21853/47 A GB 21853/47A GB 2185347 A GB2185347 A GB 2185347A GB 637677 A GB637677 A GB 637677A
Authority
GB
United Kingdom
Prior art keywords
similar objects
laminated lenses
lenses
laminated
deoxidant
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
GB21853/47A
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 GB637677A publication Critical patent/GB637677A/en
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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Laminated Bodies (AREA)

Abstract

A polyvinyl acetal, plasticized with castor oil and containing hydroquinone as a deoxidant is used as an adhesive for laminating a sheet polarizer, comprising a cellulosic material having oriented dichroic crystals embedded therein, between sheets of glass or plastic material.
GB21853/47A 1939-07-18 1947-08-08 Improvements in laminated lenses and similar objects Expired GB637677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637677XA 1939-07-18 1939-07-18

Publications (1)

Publication Number Publication Date
GB637677A true GB637677A (en) 1950-05-24

Family

ID=22051369

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21853/47A Expired GB637677A (en) 1939-07-18 1947-08-08 Improvements in laminated lenses and similar objects

Country Status (1)

Country Link
GB (1) GB637677A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182503A2 (en) * 1984-10-23 1986-05-28 Ronald Stephen Ace Ophthalmic glass/plastic laminated lens having photochromic characteristics
EP1457808A1 (en) * 2003-03-07 2004-09-15 Evita International Ltd. Multi-function shatter-proof safety eyewear glass lens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0182503A2 (en) * 1984-10-23 1986-05-28 Ronald Stephen Ace Ophthalmic glass/plastic laminated lens having photochromic characteristics
EP0182503A3 (en) * 1984-10-23 1988-07-27 Ronald Stephen Ace Ophthalmic glass/plastic laminated lens having photochromic characteristics and method of assembly thereof
EP1457808A1 (en) * 2003-03-07 2004-09-15 Evita International Ltd. Multi-function shatter-proof safety eyewear glass lens

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