CA1174238A - Emploi de sulfam(na) phtaleines comme colorants opaques - Google Patents

Emploi de sulfam(na) phtaleines comme colorants opaques

Info

Publication number
CA1174238A
CA1174238A CA000339044A CA339044A CA1174238A CA 1174238 A CA1174238 A CA 1174238A CA 000339044 A CA000339044 A CA 000339044A CA 339044 A CA339044 A CA 339044A CA 1174238 A CA1174238 A CA 1174238A
Authority
CA
Canada
Prior art keywords
layer
dye
image
silver halide
moiety
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
CA000339044A
Other languages
English (en)
Inventor
James W. Foley
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 US05/957,163 external-priority patent/US4259493A/en
Priority claimed from US05/957,161 external-priority patent/US4186001A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of CA1174238A publication Critical patent/CA1174238A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA000339044A 1978-11-02 1979-11-02 Emploi de sulfam(na) phtaleines comme colorants opaques Expired CA1174238A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US957161 1978-11-02
US05/957,163 US4259493A (en) 1978-11-02 1978-11-02 Perhalomethylcarbinol-substituted phenol and naphthol sulfamphthaleins
US957163 1978-11-02
US05/957,161 US4186001A (en) 1978-11-02 1978-11-02 Photographic products and processes employing a 3,3 disubstituted sulfam(na)phthalein filter dye

Publications (1)

Publication Number Publication Date
CA1174238A true CA1174238A (fr) 1984-09-11

Family

ID=27130384

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000339044A Expired CA1174238A (fr) 1978-11-02 1979-11-02 Emploi de sulfam(na) phtaleines comme colorants opaques

Country Status (1)

Country Link
CA (1) CA1174238A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry