CA905194A - Photochromic material and a method for making the same - Google Patents

Photochromic material and a method for making the same

Info

Publication number
CA905194A
CA905194A CA905194A CA905194DA CA905194A CA 905194 A CA905194 A CA 905194A CA 905194 A CA905194 A CA 905194A CA 905194D A CA905194D A CA 905194DA CA 905194 A CA905194 A CA 905194A
Authority
CA
Canada
Prior art keywords
making
same
photochromic material
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
CA905194A
Inventor
D. Beals Malcolm
Merker Leon
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.)
NL Industries Inc
Original Assignee
NL Industries Inc
Publication date
Application granted granted Critical
Publication of CA905194A publication Critical patent/CA905194A/en
Expired legal-status Critical Current

Links

CA905194A Photochromic material and a method for making the same Expired CA905194A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA905194T

Publications (1)

Publication Number Publication Date
CA905194A true CA905194A (en) 1972-07-18

Family

ID=36413006

Family Applications (1)

Application Number Title Priority Date Filing Date
CA905194A Expired CA905194A (en) Photochromic material and a method for making the same

Country Status (1)

Country Link
CA (1) CA905194A (en)

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