SG167194G - High index photochromic glasses - Google Patents

High index photochromic glasses

Info

Publication number
SG167194G
SG167194G SG167194A SG167194A SG167194G SG 167194 G SG167194 G SG 167194G SG 167194 A SG167194 A SG 167194A SG 167194 A SG167194 A SG 167194A SG 167194 G SG167194 G SG 167194G
Authority
SG
Singapore
Prior art keywords
high index
photochromic glasses
index photochromic
glasses
photochromic
Prior art date
Application number
SG167194A
Inventor
Michel Prassas
Original Assignee
Corning Inc
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
Priority claimed from FR8810269A external-priority patent/FR2634752B1/en
Application filed by Corning Inc filed Critical Corning Inc
Priority to SG167194A priority Critical patent/SG167194G/en
Publication of SG167194G publication Critical patent/SG167194G/en

Links

SG167194A 1988-07-29 1994-11-19 High index photochromic glasses SG167194G (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG167194A SG167194G (en) 1988-07-29 1994-11-19 High index photochromic glasses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8810269A FR2634752B1 (en) 1988-07-29 1988-07-29 PHOTOCHROMIC LENSES WITH HIGH REFRACTION INDEX
SG167194A SG167194G (en) 1988-07-29 1994-11-19 High index photochromic glasses

Publications (1)

Publication Number Publication Date
SG167194G true SG167194G (en) 1995-04-28

Family

ID=26226830

Family Applications (1)

Application Number Title Priority Date Filing Date
SG167194A SG167194G (en) 1988-07-29 1994-11-19 High index photochromic glasses

Country Status (1)

Country Link
SG (1) SG167194G (en)

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