CA716429A - Film tear line and method of making - Google Patents

Film tear line and method of making

Info

Publication number
CA716429A
CA716429A CA716429A CA716429DA CA716429A CA 716429 A CA716429 A CA 716429A CA 716429 A CA716429 A CA 716429A CA 716429D A CA716429D A CA 716429DA CA 716429 A CA716429 A CA 716429A
Authority
CA
Canada
Prior art keywords
making
tear line
film tear
film
line
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
CA716429A
Inventor
P. Repko John
R. Burton Drury
J. Face Rolland
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Publication date
Application granted granted Critical
Publication of CA716429A publication Critical patent/CA716429A/en
Expired legal-status Critical Current

Links

CA716429A Film tear line and method of making Expired CA716429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA716429T

Publications (1)

Publication Number Publication Date
CA716429A true CA716429A (en) 1965-08-24

Family

ID=36052004

Family Applications (1)

Application Number Title Priority Date Filing Date
CA716429A Expired CA716429A (en) Film tear line and method of making

Country Status (1)

Country Link
CA (1) CA716429A (en)

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