IT1107596B - Materiale di registrazione termosen sibile e procedimento per la sua produzione - Google Patents

Materiale di registrazione termosen sibile e procedimento per la sua produzione

Info

Publication number
IT1107596B
IT1107596B IT5229178A IT5229178A IT1107596B IT 1107596 B IT1107596 B IT 1107596B IT 5229178 A IT5229178 A IT 5229178A IT 5229178 A IT5229178 A IT 5229178A IT 1107596 B IT1107596 B IT 1107596B
Authority
IT
Italy
Prior art keywords
colour
temp
different colours
copies
phthalide
Prior art date
Application number
IT5229178A
Other languages
English (en)
Other versions
IT7852291A0 (it
Original Assignee
Appleton Paper Inc
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 US05/861,046 external-priority patent/US4151748A/en
Application filed by Appleton Paper Inc filed Critical Appleton Paper Inc
Publication of IT7852291A0 publication Critical patent/IT7852291A0/it
Application granted granted Critical
Publication of IT1107596B publication Critical patent/IT1107596B/it

Links

Landscapes

  • Heat Sensitive Colour Forming Recording (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
IT5229178A 1977-12-15 1978-12-14 Materiale di registrazione termosen sibile e procedimento per la sua produzione IT1107596B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/861,046 US4151748A (en) 1977-12-15 1977-12-15 Two color thermally sensitive record material system
IE2316/78A IE47515B1 (en) 1977-12-15 1978-11-23 Record material

Publications (2)

Publication Number Publication Date
IT7852291A0 IT7852291A0 (it) 1978-12-14
IT1107596B true IT1107596B (it) 1985-11-25

Family

ID=26319251

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5229178A IT1107596B (it) 1977-12-15 1978-12-14 Materiale di registrazione termosen sibile e procedimento per la sua produzione

Country Status (2)

Country Link
IE (1) IE47516B1 (it)
IT (1) IT1107596B (it)

Also Published As

Publication number Publication date
IT7852291A0 (it) 1978-12-14
IE47516B1 (en) 1984-04-04

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941130