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US3822136A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver halide light-sensitive supersensitized materials

Assignee: Konica Minolta Inc
•
Filing: 1972-09-20
•
Granted: 1974-07-02
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Expires: 1992-09-20
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Abstract

Abstract THIS LIGHT-SENSITIVE MATERIAL CAN BE APPLIED TO NOT ONLY BLACK-AND-WHITE PHOTOGRAPHY BUT ALSO COLOR PHOTOGRAPHY, AND IS EXCELLENT OVER CONVENTIONAL SUPERSENSITIZED LIGHTSENSITIVE EMULSIONS IN SPECTRAL SENSITIVITY, COOD STORABILITY, HIGH COLOR REPRODUCIBILITY WITH LESS COLOR CONTAMINATION, AND OTHER PHOTOGRAPHIC CHARACTERISTICS. C<(-Z-N(-R4)-)=CH-CH=C<(-Q-CO-) WITH AT LEAST ONE COMPOUND EXPRESSED BY FOLLOWING FORMULA (II) (-R2)=CH-(3-R3,4-Y6,5,6-DI(Y4-)-BENZOXAZOL-2-YL)(+)(X(-))N (3-R1,4-Y3,5-Y2,6-Y6-2,3-DIHYDROBENZOXAZOL-2-YLIDENE)=CH-C THIS INVENTION PROVIDES A LIGHT-SENSITIVE MATERIAL OF THE SILVER HALIDE TYPE HAVING HIGH SPEED GREED SENSITIVITY AND BEING HIGHLY SUPERSENSITIZED TO GREEN LIGHT, WHICH COMPRISES A SILVER HALIDE PHOTOGRAPHIC EMULSION AND A SPAECIFIC COMBINATION OF AT LEAST ONE COMPOUND EXPRESSED BY FOLLOWING FORMULA (1)

Inventors

  • 👤 K Sakazume
  • 👤 S Sato
  • 👤 K Mine
  • 👤 N Fujimori
  • 👤 E Sakamoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:49
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/29

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-07-01 1977-12-31 1978-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-01 1981-12-31 1982-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-01 1985-12-31 1986-07-02 $7700.00 Window Closed / Lapsed

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