USPatentGranted
I4

Silver halide photographic photosensitive material

Granted 2 Jan 1979 · no office action yet

Assignee:

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Inventors: Yasuo Mukunoki, Yutaka Oka, Masakazu Yoneyama, June Yamaguchi +1 · Examiner: · AU 166 · TC 1600

Application
823790
filed 11 Aug 1977
Publication
Not published
not published
Patent· this page
US T978001
granted 2 Jan 1979

Life of the patent

3 dated events
⤢ drag to zoom19781980198219841986198819901992199419961998ProsecutionTerm & fees
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Abstract

a silver halide photographic photosensitive material in which at least one of the hydrophilic colloid layers thereof contains an organic sulfonic acid composition comprising at least one of the compounds represented by the general formula (I) a -- so.sub.3 m (i) wherein A represents a monovalent residue of an unsaturated hydrocarbon having one double bond and containing 8 to 18 carbon atoms, and M represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, an ammonium group or an alkylammonium group; and at least one of compounds represented by the general formula (II) ##STR1## wherein B represents a monovalent residue of a saturated hydrocarbon containing 6 to 16 carbon atoms, n is 1, 2 or 3, and M has the same meanings as M in the above general formula (I).

Classifications

3 codes
IPC · International Patent Classification
Section C — Chemistry; metallurgy
  • C09K23/12
Section G — Physics
  • G03C1/38
USPC · US Patent Classification
961/145

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Pendency
1.4 y
509 days filing → grant
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Worldwide family

3 members · 2 offices
US1JP2
this patentIP5 & PCTother officessolid = grantedhover for detail · click to open
Members
3
DOCDB simple family 14162353
Offices
2
US · JP
Granted
1 of 3
grant date present
Non-English titles
1
shown as filed, never translated
›IP5 & PCT — 3 members
OfficePublicationKindPublishedFiledStatusTitle
USthis patentUS-T978001-I4I42 Jan 197911 Aug 1977grantedSilver halide photographic photosensitive material
JPJP-S5321922-AA28 Feb 197811 Aug 1976publishedSilver halide photographic photosensitive material
JPJP-S5936733-B2B25 Sep 198411 Aug 1976publishedハロゲン化銀写真感光材料ja

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