CA993240A - Photochromic sunglasses - Google Patents

Photochromic sunglasses

Info

Publication number
CA993240A
CA993240A CA161,872A CA161872A CA993240A CA 993240 A CA993240 A CA 993240A CA 161872 A CA161872 A CA 161872A CA 993240 A CA993240 A CA 993240A
Authority
CA
Canada
Prior art keywords
photochromic sunglasses
sunglasses
photochromic
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
CA161,872A
Other versions
CA161872S (en
Inventor
Robert F. Stamm
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Priority to CA161,872A priority Critical patent/CA993240A/en
Application granted granted Critical
Publication of CA993240A publication Critical patent/CA993240A/en
Expired legal-status Critical Current

Links

CA161,872A 1973-01-23 1973-01-23 Photochromic sunglasses Expired CA993240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA161,872A CA993240A (en) 1973-01-23 1973-01-23 Photochromic sunglasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA161,872A CA993240A (en) 1973-01-23 1973-01-23 Photochromic sunglasses

Publications (1)

Publication Number Publication Date
CA993240A true CA993240A (en) 1976-07-20

Family

ID=4095610

Family Applications (1)

Application Number Title Priority Date Filing Date
CA161,872A Expired CA993240A (en) 1973-01-23 1973-01-23 Photochromic sunglasses

Country Status (1)

Country Link
CA (1) CA993240A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3327091A1 (en) * 2016-11-23 2018-05-30 Essilor International Epoxy functional composition protecting dyes from photo-degradation and cured coatings prepared therefrom

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3327091A1 (en) * 2016-11-23 2018-05-30 Essilor International Epoxy functional composition protecting dyes from photo-degradation and cured coatings prepared therefrom
WO2018095679A1 (en) * 2016-11-23 2018-05-31 Essilor International Epoxy functional composition protecting dyes from photo-degradation and cured coatings prepared therefrom
JP2020513582A (en) * 2016-11-23 2020-05-14 エシロール アテルナジオナール Epoxy-functional composition that protects dyes from photodegradation and cured coatings made from the composition
US11214695B2 (en) 2016-11-23 2022-01-04 Essilor International Epoxy functional composition protecting dyes from photo-degradation and cured coatings prepared therefrom

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