CA1307273C - 4,7-diazaphtalides substitues chromogeniques - Google Patents

4,7-diazaphtalides substitues chromogeniques

Info

Publication number
CA1307273C
CA1307273C CA000542478A CA542478A CA1307273C CA 1307273 C CA1307273 C CA 1307273C CA 000542478 A CA000542478 A CA 000542478A CA 542478 A CA542478 A CA 542478A CA 1307273 C CA1307273 C CA 1307273C
Authority
CA
Canada
Prior art keywords
compound
lower alkyl
chromogenic
compounds
blue
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 - Lifetime
Application number
CA000542478A
Other languages
English (en)
Inventor
Robert E. Miller
Troy E. Hoover
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.)
Appvion LLC
Original Assignee
Appleton Papers 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
Application filed by Appleton Papers Inc filed Critical Appleton Papers Inc
Application granted granted Critical
Publication of CA1307273C publication Critical patent/CA1307273C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Color Printing (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
CA000542478A 1986-08-28 1987-07-20 4,7-diazaphtalides substitues chromogeniques Expired - Lifetime CA1307273C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90110886A 1986-08-28 1986-08-28
US901,108 1986-08-28

Publications (1)

Publication Number Publication Date
CA1307273C true CA1307273C (fr) 1992-09-08

Family

ID=25413607

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000542478A Expired - Lifetime CA1307273C (fr) 1986-08-28 1987-07-20 4,7-diazaphtalides substitues chromogeniques

Country Status (1)

Country Link
CA (1) CA1307273C (fr)

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