JPS557703A - Silver halide photographic emulsion for direct positive image - Google Patents

Silver halide photographic emulsion for direct positive image

Info

Publication number
JPS557703A
JPS557703A JP6624578A JP6624578A JPS557703A JP S557703 A JPS557703 A JP S557703A JP 6624578 A JP6624578 A JP 6624578A JP 6624578 A JP6624578 A JP 6624578A JP S557703 A JPS557703 A JP S557703A
Authority
JP
Japan
Prior art keywords
added
ring
pyrazolo
alkyl
pag
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.)
Granted
Application number
JP6624578A
Other languages
English (en)
Other versions
JPS5712132B2 (ja
Inventor
Akira Tanaka
Akio Yoshida
Kozo Haino
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.)
Mitsubishi Paper Mills Ltd
Original Assignee
Mitsubishi Paper Mills Ltd
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 Mitsubishi Paper Mills Ltd filed Critical Mitsubishi Paper Mills Ltd
Priority to JP6624578A priority Critical patent/JPS557703A/ja
Priority to US05/952,214 priority patent/US4259439A/en
Publication of JPS557703A publication Critical patent/JPS557703A/ja
Publication of JPS5712132B2 publication Critical patent/JPS5712132B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
JP6624578A 1977-10-28 1978-06-01 Silver halide photographic emulsion for direct positive image Granted JPS557703A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP6624578A JPS557703A (en) 1978-06-01 1978-06-01 Silver halide photographic emulsion for direct positive image
US05/952,214 US4259439A (en) 1977-10-28 1978-10-17 Direct positive silver halide emulsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6624578A JPS557703A (en) 1978-06-01 1978-06-01 Silver halide photographic emulsion for direct positive image

Publications (2)

Publication Number Publication Date
JPS557703A true JPS557703A (en) 1980-01-19
JPS5712132B2 JPS5712132B2 (ja) 1982-03-09

Family

ID=13310283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6624578A Granted JPS557703A (en) 1977-10-28 1978-06-01 Silver halide photographic emulsion for direct positive image

Country Status (1)

Country Link
JP (1) JPS557703A (ja)

Also Published As

Publication number Publication date
JPS5712132B2 (ja) 1982-03-09

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