CA876656A - Photochromic compositions - Google Patents

Photochromic compositions

Info

Publication number: CA876656A
Authority: CA; Canada
Prior art keywords: photochromic compositions; photochromic; compositions
Prior art date: 1971-07-27
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

CA876656A

Inventor

J. Cerreta John

H. Dorion George

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

Publication date

1971-07-27

1971-07-27 Application granted granted Critical

1971-07-27 Publication of CA876656A publication Critical patent/CA876656A/en

Status Expired legal-status Critical Current

Links

CA876656A Photochromic compositions Expired CA876656A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA876656T

Publications (1)

Publication Number	Publication Date
CA876656A true CA876656A (en)	1971-07-27

Family

ID=36362530

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA876656A Expired CA876656A (en)			Photochromic compositions

Country Status (1)

Country	Link
CA (1)	CA876656A (en)

0
- CA CA876656A patent/CA876656A/en not_active Expired

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