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CA455186A - 4,4'-bis (pyrazolone-1-carbamide and thiocarbamide) coupler for colour photography - Google Patents

4,4'-bis (pyrazolone-1-carbamide and thiocarbamide) coupler for colour photography

Info

Publication number
CA455186A
CA455186A CA455186A CA455186DA CA455186A CA 455186 A CA455186 A CA 455186A CA 455186 A CA455186 A CA 455186A CA 455186D A CA455186D A CA 455186DA CA 455186 A CA455186 A CA 455186A
Authority
CA
Canada
Prior art keywords
thiocarbamide
carbamide
pyrazolone
coupler
bis
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
CA455186A
Other languages
French (fr)
Inventor
Bavley Abraham
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
Publication date
Application granted granted Critical
Publication of CA455186A publication Critical patent/CA455186A/en
Expired legal-status Critical Current

Links

CA455186A 4,4'-bis (pyrazolone-1-carbamide and thiocarbamide) coupler for colour photography Expired CA455186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA455186T

Publications (1)

Publication Number Publication Date
CA455186A true CA455186A (en) 1949-03-15

Family

ID=35572925

Family Applications (1)

Application Number Title Priority Date Filing Date
CA455186A Expired CA455186A (en) 4,4'-bis (pyrazolone-1-carbamide and thiocarbamide) coupler for colour photography

Country Status (1)

Country Link
CA (1) CA455186A (en)

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