Photographic color developing composition and method for processing a silver halide color photographic element
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United States of America Patent
Stats
-
Dec 28, 1993
Grant Date -
N/A
app pub date -
Apr 15, 1991
filing date -
Apr 24, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ready-to-use photographic color developing composition for the development of high bromide silver halide photographic element, said composition being substantially free of bromides, hydroxylamines and benzyl alcohol and comprising a color developing agent, a buffering agent, a complexing agent, an antifogging agent, a contrast promoting agent, an antioxidant agent and a polyol compound. A rapid access processing method of a high bromide silver halide photographic color element, said method comprising the steps of: developing said element for a period of about 75 to about 105 seconds in a ready-to-use color developing composition substantially free of bromides, hydroxylamines and benzylalcohol and comprising a color developing agent, a buffering agent, a complexing agent, an antifogging agent, a contrast promoting agent, an antioxidant agent and a compound of formula: R--(OH).sub.n wherein R is a straight or branched or alycyclic alkyle with 4 to 8 carbon atoms and n is an integer from 4 to 8, and containing said antioxidant agent in a quantity equal to or lower than 0.01 moles per liter with a developing agent to antioxidant agent molar ratio higher than or equal to 2:1, washing said element for a period of about 10 to about 20 seconds, bleach-fixing said element for a period of about 75 to about 105 seconds in a ready-to-use bleach and fix composition having a pH value in the range from 5 to 8 and having a bleaching agent to antioxidizing agent weight ratio equal to or lower than 20:1, and stabilizing said element, without washing between the bleach-fixing and stabilizing step, for a period of about 45 to about 75 seconds.

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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
IMATION CORP | ONE IMATION PLACE OAKDALE MN 55128 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Loiacono, Marco | Albissola Superiore, IT | 5 | 59 |
Marchesano, Carlo | Savona, IT | 14 | 116 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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