UST887024I4 - Defensive publication - Google Patents
Defensive publication Download PDFInfo
- Publication number
- UST887024I4 UST887024I4 US887024DH UST887024I4 US T887024 I4 UST887024 I4 US T887024I4 US 887024D H US887024D H US 887024DH US T887024 I4 UST887024 I4 US T887024I4
- Authority
- US
- United States
- Prior art keywords
- alkaline
- defensive publication
- hydroquinone
- cyclohexylhydroquinone
- activatable
- 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
- G03C1/42—Developers or their precursors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/156—Precursor compound
- Y10S430/158—Development inhibitor releaser, DIR
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/164—Rapid access processing
Definitions
- Photographic silver salt compositions such as silver halide emulsions, containing a weighted hydroquinone developing agent, such as t-butyl hydroquinone or cyclohexylhydroquinone, and an alkaline-activatable stabilizer precursor, such as a thiuronium salt, have good keeping qualities and can be rapidly processed by alkaline activation.
- a weighted hydroquinone developing agent such as t-butyl hydroquinone or cyclohexylhydroquinone
- an alkaline-activatable stabilizer precursor such as a thiuronium salt
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)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
PHOTOGRAPHIC SILVER SALT COMPOSITION, SUCH AS SILVER HALIDE EMULSIONS, CONTAINING A WEIGHTED HYDROQUINONE DEVELOPING AGENT, SUCH AS T-BUTYL HYDROQUINONE OR CYCLOHEXYLHYDROQUINONE, AND AN ALKALINE-ACTIVATABLE STABILIZER PRECURSOR, SUCH AS A THIURONIUM SALT, HAVE GOOD KEEPING QUALITIES AND CAN BE RAPIDLY PROCESSED BY ALKALINE ACTIVATION.
Description
DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 O.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. 4
Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oifice makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED JUNE 22, 1971 T887,024 PHOTOGRAPHIC EMULSIONS FOR RAPID PROCESSING Grant M. Haist, Rochester, David A. Pupo, Churchville, and James R. King, Webster, N.Y. (all of 166A Lake Ave., Rochester, NY. 14615) Filed May 28, 1970, Ser. No. 41,574 Int. Cl. E03c 1/06, 1/48, 5/30 US. Cl. 96-95 No Drawing. 22 Pages Specification Photographic silver salt compositions, such as silver halide emulsions, containing a weighted hydroquinone developing agent, such as t-butyl hydroquinone or cyclohexylhydroquinone, and an alkaline-activatable stabilizer precursor, such as a thiuronium salt, have good keeping qualities and can be rapidly processed by alkaline activation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4157470A | 1970-05-28 | 1970-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST887024I4 true UST887024I4 (en) | 1971-06-22 |
Family
ID=21917251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US887024D Pending UST887024I4 (en) | 1970-05-28 | 1970-05-28 | Defensive publication |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST887024I4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844788A (en) * | 1973-04-02 | 1974-10-29 | Eastman Kodak Co | Incorporation of sulfonyl derivatives of isothiourea in light-sensitive elements |
-
1970
- 1970-05-28 US US887024D patent/UST887024I4/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844788A (en) * | 1973-04-02 | 1974-10-29 | Eastman Kodak Co | Incorporation of sulfonyl derivatives of isothiourea in light-sensitive elements |
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