NL231639A - - Google Patents

Info

Publication number
NL231639A
NL231639A NL231639DA NL231639A NL 231639 A NL231639 A NL 231639A NL 231639D A NL231639D A NL 231639DA NL 231639 A NL231639 A NL 231639A
Authority
NL
Netherlands
Application number
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.)
Publication of NL231639A publication Critical patent/NL231639A/xx
Priority claimed from GB2616157A external-priority patent/GB843353A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pyridine Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
NL231639D 1957-08-19 NL231639A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2616157A GB843353A (en) 1957-08-19 1957-08-19 Improvements in or relating to 6-methyl steroid compounds
GB2965485X 1957-09-25

Publications (1)

Publication Number Publication Date
NL231639A true NL231639A (zh)

Family

ID=32395999

Family Applications (2)

Application Number Title Priority Date Filing Date
NL231639D NL231639A (zh) 1957-08-19
NL110449D NL110449C (zh) 1957-08-19

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL110449D NL110449C (zh) 1957-08-19

Country Status (3)

Country Link
US (1) US2965485A (zh)
CH (1) CH367493A (zh)
NL (2) NL110449C (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124458A (en) * 1961-03-10 1964-03-10 Direct positive photographic materials
DE1195321B (de) * 1962-03-16 1965-06-24 Troponwerke Dinklage & Co Verfahren zur Herstellung von substituierten Chinazolon-(4)-derivaten
DE1254457B (de) * 1963-06-10 1967-11-16 Eastman Kodak Co Photographisches Aufzeichnungsmaterial fuer die direktpositive Herstellung von Bildern
DE3854009T2 (de) * 1987-03-20 1995-10-26 Fuji Photo Film Co Ltd Photographisches Silberhalogenidmaterial.
US5453505A (en) * 1994-06-30 1995-09-26 Biometric Imaging, Inc. N-heteroaromatic ion and iminium ion substituted cyanine dyes for use as fluorescence labels

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB495197A (en) * 1937-05-08 1938-11-08 John David Kendall Improvements in and relating to the use and production of photographic desensitising compounds
BE489729A (zh) * 1948-06-29

Also Published As

Publication number Publication date
NL110449C (zh)
CH367493A (de) 1963-02-28
US2965485A (en) 1960-12-20

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