CA474810A - Light filters of coloured gelatin - Google Patents

Light filters of coloured gelatin

Info

Publication number
CA474810A
CA474810A CA474810A CA474810DA CA474810A CA 474810 A CA474810 A CA 474810A CA 474810 A CA474810 A CA 474810A CA 474810D A CA474810D A CA 474810DA CA 474810 A CA474810 A CA 474810A
Authority
CA
Canada
Prior art keywords
light filters
coloured gelatin
coloured
gelatin
filters
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
CA474810A
Other languages
French (fr)
Inventor
Waters Edmund
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Publication date
Application granted granted Critical
Publication of CA474810A publication Critical patent/CA474810A/en
Expired legal-status Critical Current

Links

CA474810A Light filters of coloured gelatin Expired CA474810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA474810T

Publications (1)

Publication Number Publication Date
CA474810A true CA474810A (en) 1951-06-26

Family

ID=35608791

Family Applications (1)

Application Number Title Priority Date Filing Date
CA474810A Expired CA474810A (en) Light filters of coloured gelatin

Country Status (1)

Country Link
CA (1) CA474810A (en)

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