Photographic silver halide emulsion
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 13, 2004
Issued Date -
N/A
app pub date -
Jan 27, 2003
filing date -
Sep 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A producing method of a silver halide emulsion comprising the steps of adding silver halide fine grains AgX.sub.0 having an to a silver halide seed crystal emulsion containing at least water, dispersion medium 1 and silver halide crystal, and growing the seed crystal by dissolving the added AgX.sub.0, wherein AgX.sub.0 are formed in dispersion medium solution 2 containing dispersion medium 2, the pH of dispersion medium solution 2 of the time when AgX.sub.0 are formed is from 7.3 to 12.2, the average equivalent-circle projected area diameter of AgX.sub.0 is from 0.001 to 0.2 .mu.m, and AgX.sub.0 are non-twin crystal grains not substantially having twin planes.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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FUJIFILM CORPORATION | TOKYO 106-8620 |
International Classification(s)

- 2003 Application Filing Year
- G03C Class
- 795 Applications Filed
- 175 Patents Issued To-Date
- 22.02 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Miki, Masaaki | Kanagawa, JP | 21 | 51 |
# of filed Patents : 21 Total Citations : 51 | |||
Ohzeki, Katsuhisa | Kanagawa, JP | 40 | 160 |
# of filed Patents : 40 Total Citations : 160 | |||
Saitou, Mitsuo | Kanagawa, JP | 39 | 399 |
# of filed Patents : 39 Total Citations : 399 |
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- 0 Citation Count
- G03C Class
- 0 % this patent is cited more than
- 21 Age
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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 |
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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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