UST874010I4 - Defensive publication - Google Patents
Defensive publication Download PDFInfo
- Publication number
- UST874010I4 UST874010I4 US874010DH UST874010I4 US T874010 I4 UST874010 I4 US T874010I4 US 874010D H US874010D H US 874010DH US T874010 I4 UST874010 I4 US T874010I4
- Authority
- US
- United States
- Prior art keywords
- group
- defensive publication
- dye
- member selected
- defensive
- 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.)
- Pending
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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/28—Sensitivity-increasing substances together with supersensitising substances
- G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed
Definitions
- Photographic silver halide emulsions containing a sensitizing dye combination comprising (1) a benzimidazolooxacarbocyanine dye and (2) a benzimidazoloselenacarbocyanine dye which extends the sensitivity of the emulsion into the minus blue region of the spectrum.
- Preferred dye combinations include those represented by (l) a dye having the formula:
- R12 Bit I I wherein n, m, k and p each represents a positive integer of from 1 to 2; R R R and R each represents an alkyl group; R and R each represents an unsubstituted lower alkyl p; 7 8, 9, 10 11 12 13 and 14 each represents a member selected from the group consisting of a hydrogen atom and a halogen atom; X and X each represents an acid anion; V and Z each represents a member selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group and an aryl group; L L L and L each represents a methine linkage; and W and Y each represents a member selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, an unsubstituted alkyl group, an alkoxy group, an acyl group of a monobasic fatty acid, an alkylaminocarbonyl group,
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request oi the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification. including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.
Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Ofiice makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED MAY 19, 1970 T87 4,010 SUPERSENSITIZED SILVER HALIDE PHOTO GRAPHIC EMULSIONS Cynthia G. Ulbing, Fairport, and Mary Jane W. Brizee, fitgssftgrd, N.Y. (both of Kodak Park, Rochester, N.Y.
Filed Dec. 12, 1969, Ser. No. 884,746 Int. Cl. G030 1/28 US. Cl. 96-104 No Drawing. 18 Pages Specification Photographic silver halide emulsions containing a sensitizing dye combination comprising (1) a benzimidazolooxacarbocyanine dye and (2) a benzimidazoloselenacarbocyanine dye which extends the sensitivity of the emulsion into the minus blue region of the spectrum. Preferred dye combinations include those represented by (l) a dye having the formula:
R: Hm I 0\ l \e/ N N R7 l t: X1 I la and (2) a dye having the formula:
R12 Bit I I wherein n, m, k and p each represents a positive integer of from 1 to 2; R R R and R each represents an alkyl group; R and R each represents an unsubstituted lower alkyl p; 7 8, 9, 10 11 12 13 and 14 each represents a member selected from the group consisting of a hydrogen atom and a halogen atom; X and X each represents an acid anion; V and Z each represents a member selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group and an aryl group; L L L and L each represents a methine linkage; and W and Y each represents a member selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, an unsubstituted alkyl group, an alkoxy group, an acyl group of a monobasic fatty acid, an alkylaminocarbonyl group, a trifluoroalkyl group and a trifluoroalkylsulfonyl group.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88474669A | 1969-12-12 | 1969-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST874010I4 true UST874010I4 (en) | 1970-05-19 |
Family
ID=25385300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US874010D Pending UST874010I4 (en) | 1969-12-12 | 1969-12-12 | Defensive publication |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | UST874010I4 (en) |
| CA (1) | CA941220A (en) |
| FR (1) | FR2073206A5 (en) |
| GB (1) | GB1328289A (en) |
-
1969
- 1969-12-12 US US874010D patent/UST874010I4/en active Pending
-
1970
- 1970-11-05 CA CA097,465A patent/CA941220A/en not_active Expired
- 1970-12-10 FR FR7044432A patent/FR2073206A5/en not_active Expired
- 1970-12-11 GB GB5887470A patent/GB1328289A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2073206A5 (en) | 1971-09-24 |
| GB1328289A (en) | 1973-08-30 |
| CA941220A (en) | 1974-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| UST874010I4 (en) | Defensive publication | |
| US2756147A (en) | Tetrazaindene stabilizer for photographic emulsions sensitized with alkylene oxide polymers | |
| UST874016I4 (en) | Defensive publication | |
| UST874015I4 (en) | Defensive publication | |
| UST874014I4 (en) | Defensive publication | |
| UST874008I4 (en) | Defensive publication | |
| UST875013I4 (en) | Defensive publication | |
| UST866035I4 (en) | Defensive publication | |
| US3345175A (en) | High edge-gradient photosensitive material | |
| US2759822A (en) | X-ray film | |
| UST875028I4 (en) | Defensive publication | |
| US4307183A (en) | Silver halide photographic emulsions including dye sensitizers and supersensitizing or stabilizing amounts of a polymeric compound and photographic elements, particularly radiographic elements including said emulsions | |
| US3782959A (en) | Polyhedral borane fogged direct-positive silver halide emulsion containing an organic sulfoxide | |
| UST883031I4 (en) | Defensive publication | |
| US2104855A (en) | Polymethine dyes | |
| UST889016I4 (en) | Defensive publication | |
| US3526507A (en) | Autopositive reproduction material | |
| UST874009I4 (en) | Defensive publication | |
| UST866022I4 (en) | Defensive publication | |
| US2089322A (en) | Methine cyanine dye | |
| UST888015I4 (en) | Wavelength of light in | |
| US1846300A (en) | Photographic emulsion | |
| UST866036I4 (en) | Defensive publication | |
| US3385704A (en) | Sensitization of silver bromoiodide emulsions with amidophosphoric acid polyethyleneglycol esters | |
| UST896035I4 (en) | Defensive publication |