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UST866035I4 - Defensive publication - Google Patents

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Publication number
UST866035I4
UST866035I4 US866035DH UST866035I4 US T866035 I4 UST866035 I4 US T866035I4 US 866035D H US866035D H US 866035DH US T866035 I4 UST866035 I4 US T866035I4
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US
United States
Prior art keywords
dione
defensive publication
cyclobutene
hydroxy
alkoxy
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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
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.)
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Publication of UST866035I4 publication Critical patent/UST866035I4/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/34Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression

Definitions

  • each R can be hydroxy, alkoxy or halogen and each R can be hydrogen, alkyl, aryl, hydroxy, alkoxy or halogen.
  • a useful range for the concentration of the stabilizer is from about 0.5 gram to about 20 grams per mole of silver halide.
  • suitable compounds include 3,4 dihydroxy 3 cyclobutene 1,2 dione, 3 methoxy- 4 phenyl 3 cyclobutene 1,2 dione, 3 hydroxy 4- phenyl 3 cyclobutene 1,2 dione, 3,4 diethoxy 3- cyclobutene 1,2 dione, 3,4 diethoxy cyclobutane 1,2/- dione, 3 bromo 4 phenyl 3 cyclobutene 1,2 dione, and 3,4-dihydroxycyclobutane-1,2-dione.
  • Photographic silver halide emulsions and elements stabilized as described can be chemically sensitized, e.g., with noble metal sensitizers alone or in combination with sulfur or selenium sensitizers. They can contain spectral sensitizers, incorporated color forming couplers, incorporated developing agents, other antifoggants, hardeners, plasticizers, coating aids, and other suitable photographic addenda, such as described in US. Patent 3,297,446 (columns 4-9).

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  • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Description

gt 3y DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Apr. 11, 1968, 849 0.6. 1221. men tiflcation is by serial number of the application and the heading indicates the number of pages of specification, including claims, and of sheets or drawing contained in the application as originally filed. The file of this application is available to the public for inspection; reproduction may be purchased for 30 cents per sheet.
Applications published under the Defensive Publication Program have not been examined as to the merits of alleged invention. The Patent Oiiice makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED SEPTEMBER 30, 1969 866 CG. 1439 A U 4 4 822 017 CYCLIC DIONES AS EMULSION STABILIZERS AND ANTIFOGGANTS Dorothy J. Beavers, Kodak Park Division, Rochester, NY. 14650 Filed May 5, 1969. Published Sept. 30, 1969 Int. Cl. G03c 1/34, 1/86 US. C]. 96-85 No Drawing. 10 Pages Specification The stabilization against fog of photographic silver halide emulsions and elements is obtained through the use of cyclic diones wherein there are four carbon atoms in the ring. The stabilizing compounds contain at least one radical or atom selected from the group consisting of hydroxy, alkoxy and halogen. The useful compounds are represented by the following structural formulas:
wherein each R can be hydroxy, alkoxy or halogen and each R can be hydrogen, alkyl, aryl, hydroxy, alkoxy or halogen. A useful range for the concentration of the stabilizer is from about 0.5 gram to about 20 grams per mole of silver halide. Examples of suitable compounds include 3,4 dihydroxy 3 cyclobutene 1,2 dione, 3 methoxy- 4 phenyl 3 cyclobutene 1,2 dione, 3 hydroxy 4- phenyl 3 cyclobutene 1,2 dione, 3,4 diethoxy 3- cyclobutene 1,2 dione, 3,4 diethoxy cyclobutane 1,2/- dione, 3 bromo 4 phenyl 3 cyclobutene 1,2 dione, and 3,4-dihydroxycyclobutane-1,2-dione.
Photographic silver halide emulsions and elements stabilized as described can be chemically sensitized, e.g., with noble metal sensitizers alone or in combination with sulfur or selenium sensitizers. They can contain spectral sensitizers, incorporated color forming couplers, incorporated developing agents, other antifoggants, hardeners, plasticizers, coating aids, and other suitable photographic addenda, such as described in US. Patent 3,297,446 (columns 4-9).
US866035D 1969-05-05 1969-05-05 Defensive publication Pending UST866035I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82201769A 1969-05-05 1969-05-05

Publications (1)

Publication Number Publication Date
UST866035I4 true UST866035I4 (en) 1969-09-30

Family

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Family Applications (1)

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US866035D Pending UST866035I4 (en) 1969-05-05 1969-05-05 Defensive publication

Country Status (3)

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US (1) UST866035I4 (en)
BE (1) BE742944A (en)
FR (1) FR2046068A5 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855997A1 (en) * 1978-12-23 1980-07-10 Agfa Gevaert Ag PHOTOGRAPHIC RECORDING MATERIAL
GB9607503D0 (en) * 1996-04-11 1996-06-12 Merck Frosst Canada Inc Bisaryl cyclobutenes derivatives as cyclooxygenase inhibitors
JP2008544743A (en) 2005-05-10 2008-12-11 インターミューン インコーポレイテッド Pyridone derivatives for modulating the stress-activated protein kinase system
CA3034994A1 (en) 2008-06-03 2009-12-10 Intermune, Inc. Substituted aryl-2 pyridone compounds and use thereof for treating inflammatory and fibrotic disorders
AR092742A1 (en) 2012-10-02 2015-04-29 Intermune Inc ANTIFIBROTIC PYRIDINONES
WO2015153683A1 (en) 2014-04-02 2015-10-08 Intermune, Inc. Anti-fibrotic pyridinones

Also Published As

Publication number Publication date
FR2046068A5 (en) 1971-03-05
BE742944A (en) 1970-05-14

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