CA1003840A - 2,9-dicarboxyquinacridone and methods for its production - Google Patents

2,9-dicarboxyquinacridone and methods for its production

Info

Publication number
CA1003840A
CA1003840A CA245,459A CA245459A CA1003840A CA 1003840 A CA1003840 A CA 1003840A CA 245459 A CA245459 A CA 245459A CA 1003840 A CA1003840 A CA 1003840A
Authority
CA
Canada
Prior art keywords
dicarboxyquinacridone
production
methods
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
CA245,459A
Inventor
Felix F. Ehrich
Edward E. Jaffe
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 CA140,682A external-priority patent/CA996935A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to CA245,459A priority Critical patent/CA1003840A/en
Application granted granted Critical
Publication of CA1003840A publication Critical patent/CA1003840A/en
Expired legal-status Critical Current

Links

CA245,459A 1971-05-06 1976-02-10 2,9-dicarboxyquinacridone and methods for its production Expired CA1003840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA245,459A CA1003840A (en) 1971-05-06 1976-02-10 2,9-dicarboxyquinacridone and methods for its production

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14098471A 1971-05-06 1971-05-06
CA140,682A CA996935A (en) 1971-05-06 1972-04-26 2,9-dicarboxyquinacridone and methods for its production
CA245,459A CA1003840A (en) 1971-05-06 1976-02-10 2,9-dicarboxyquinacridone and methods for its production

Publications (1)

Publication Number Publication Date
CA1003840A true CA1003840A (en) 1977-01-18

Family

ID=27161950

Family Applications (1)

Application Number Title Priority Date Filing Date
CA245,459A Expired CA1003840A (en) 1971-05-06 1976-02-10 2,9-dicarboxyquinacridone and methods for its production

Country Status (1)

Country Link
CA (1) CA1003840A (en)

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