CA437507A - Light-filtering plastic material - Google Patents

Light-filtering plastic material

Info

Publication number
CA437507A
CA437507A CA437507A CA437507DA CA437507A CA 437507 A CA437507 A CA 437507A CA 437507 A CA437507 A CA 437507A CA 437507D A CA437507D A CA 437507DA CA 437507 A CA437507 A CA 437507A
Authority
CA
Canada
Prior art keywords
light
plastic material
filtering plastic
filtering
plastic
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
CA437507A
Other languages
French (fr)
Inventor
Herbert Land Edwin
Thomas Alexander
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
Publication date
Application granted granted Critical
Publication of CA437507A publication Critical patent/CA437507A/en
Expired legal-status Critical Current

Links

CA437507A Light-filtering plastic material Expired CA437507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA437507T

Publications (1)

Publication Number Publication Date
CA437507A true CA437507A (en) 1946-10-22

Family

ID=35552742

Family Applications (1)

Application Number Title Priority Date Filing Date
CA437507A Expired CA437507A (en) Light-filtering plastic material

Country Status (1)

Country Link
CA (1) CA437507A (en)

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