CA1022706A - Air etching of polymeric printing plates - Google Patents

Air etching of polymeric printing plates

Info

Publication number
CA1022706A
CA1022706A CA274,257A CA274257A CA1022706A CA 1022706 A CA1022706 A CA 1022706A CA 274257 A CA274257 A CA 274257A CA 1022706 A CA1022706 A CA 1022706A
Authority
CA
Canada
Prior art keywords
printing plates
polymeric printing
air etching
etching
air
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
CA274,257A
Other languages
French (fr)
Inventor
John E. Pickard
Forrest A. Wessells
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.)
P T Sub Inc
Original Assignee
WR Grace and Co Conn
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA175,908A external-priority patent/CA1021113A/en
Application filed by WR Grace and Co Conn filed Critical WR Grace and Co Conn
Priority to CA274,257A priority Critical patent/CA1022706A/en
Application granted granted Critical
Publication of CA1022706A publication Critical patent/CA1022706A/en
Expired legal-status Critical Current

Links

CA274,257A 1972-12-18 1977-03-18 Air etching of polymeric printing plates Expired CA1022706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA274,257A CA1022706A (en) 1972-12-18 1977-03-18 Air etching of polymeric printing plates

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31625372A 1972-12-18 1972-12-18
US35141573A 1973-04-16 1973-04-16
CA175,908A CA1021113A (en) 1972-12-18 1973-07-09 Air etching of polymeric printing plates
CA274,257A CA1022706A (en) 1972-12-18 1977-03-18 Air etching of polymeric printing plates

Publications (1)

Publication Number Publication Date
CA1022706A true CA1022706A (en) 1977-12-20

Family

ID=27425711

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274,257A Expired CA1022706A (en) 1972-12-18 1977-03-18 Air etching of polymeric printing plates

Country Status (1)

Country Link
CA (1) CA1022706A (en)

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