US3227550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic color reproduction process and element
Assignee: Eastman Kodak Co
•
Filing: 1962-09-07
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Granted: 1966-01-04
•
Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Keith E Whitmore
- 👤 Paul M Mader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:52
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/08; G03C8/10; C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C07C47/00; C07C47/52; C07C47/575; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20; C07D231/22; C07D231/26; C07D231/28; C07D231/30; C07D231/32; C07D231/44; C07D231/52; C07F; C07F3/00; C07F3/10; C07F3/12; C09; C09B; C09B11/00; C09B11/04; C09B11/06; C09B31/00; C09B31/02; C09B31/06; C09B31/075; C09B31/078; C09B35/00; C09B35/02; C09B35/039; C09B35/04; Y; Y10; Y10S; Y10S430/00; Y10S430/156; Y10S430/159
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A COLOR PHOTOGRAPHIC DIFFUSION TRANSFER PROCESS FOR COLOR PROCESSING A LIGHT-SENSITIVE PHOTOGRAPHIC ELEMENT HAVING A PATTERN OF DEVELOPABLE SILVER HALIDE COMPRISING A SUPPORT WITH SUPERPOSED RED, GREEN AND BLUE LIGHTSENSITIVE HYDROPHILIC COLLOID-SILVER HALIDE EMULSIONS AND HAVING DISPERSED INTEGRAL WITH SAID ELEMENT AND CONTIGUOUS TO SAID EMULSIONS A CYAN-FORMING COUPLER, A MAGENTAFORMING COUPLER AND A YELLOW-FORMING COUPLER, SAID COUPLERS BEING NONDIFFUSIBLE DURING DEVELOPMENT IN THE PRESENCE OF AN ALKALINE COLOR DEVELOPING COMPOSITION CONTAINING AN AROMATIC PRIMARY AMINO COLOR DEVELOPING AGENT AND CONTAINING SUBSTITUENTS IN THEIR COUPLING POSITIONS THAT CLEAVE OFF DURING THE SAID COLOR DEVELOPMENT FORMING DIFFUSIBLE ACID DYES ON REACTION WITH COLOR DEVELOPMENT OXIDATION PRODUCT OF SAID COLOR DEVELOPING AGENT; WHICH PROCESS COMPRISES TREATING SAID PHOTOGRAPHIC ELEMENT WITH SAID ALKALINE COLOR DEVELOPING COMPOSITION AND COLOR DEVELOPING SAID PATTERN OF DEVELOPABLE SILVER HALIDE WITH A PREDOMINANT PROPORTION OF THE RESULTING OXIDATION PRODUCT OF SAID COLOR DEVELOPING AGENT REMAINING IN SAID ELEMENT DURING SAID DEVELOPING, SAID COUPLERS COUPLING WITH OXIDATION PRODUCT OF SAID COLOR DEVELOPING AGENT DURING SAID COLOR DEVELOPMENT AND RELEASING DIFFUSIBLE ACID DYE IMAGES IN AREAS OF COLOR DEVELOPMENT, DURING THE COURSE OF SAID COLOR DEVELOPMENT SAID DYE IMAGES DIFFUSING IMAGEWISE IN REGISTER TO A JUXTAPOSED RECEPTION LAYER CONTAINING A BASIC MORDANT FOR ACID DYES.
Claim 2
Dependent Claim
205 words
A COLOR PHOTOGRAPHIC DIFFUSION TRANSFER PROCESS FOR COLOR PROCESSING A LIGHT-SENSITIVE PHOTOGRAPHIC ELEMENT HAVING A PATTERN OF DEVELOPABLE SILVER HALIDE COMPRISING A SUPPORT WITH SUPERPOSED RED, GREEN AND BLUE LIGHTSENSITIVE HYDROPHILIC COLLOID-SILVER HALIDE EMULSIONS AND HAVING DISPERSED INTEGRAL WITH SAID ELEMENT AND CONTIGUOUS TO SAID EMULSIONS A CYAN-FORMING COUPLER, A MAGENTAFORMING COUPLER AND A YELLOW-FORMING COUPLER, SAID COUPLERS BEING NONDIFFUSIBLE DURING DEVELOPMENT IN THE PRESENCE OF AN ALKALINE COLOR DEVELOPING COMPOSITION CONTAINING AN AROMATIC PRIMARY AMINO COLOR DEVELOPING AGENT AND CONTAINING SUBSTITUENTS IN THEIR COUPLING POSITIONS THAT CLEAVE OFF DURING THE SAID COLOR DEVELOPMENT FORMING DIFFUSIBLE ACID DYES ON REACTION WITH COLOR DEVELOPMENT OXIDATION PRODUCT OF SAID COLOR DEVELOPING AGENT; WHICH PROCESS COMPRISES TREATING SAID PHOTOGRAPHIC ELEMENT WITH SAID ALKALINE COLOR DEVELOPING COMPOSITION AND COLOR DEVELOPING SAID PATTERN OF DEVELOPABLE SILVER HALIDE WITH A PREDOMINANT PROPORTION OF THE RESULTING OXIDATION PRODUCT OF SAID COLOR DEVELOPING AGENT REMAINING IN SAID ELEMENT DURING SAID DEVELOPING, SAID COUPLERS COUPLING WITH OXIDATION PRODUCT OF SAID COLOR DEVELOPING AGENT DURING SAID COLOR DEVELOPMENT AND RELEASING DIFFUSIBLE ACID DYE IMAGES IN AREAS OF COLOR DEVELOPMENT, DURING THE COURSE OF SAID COLOR DEVELOPMENT SAID DYE IMAGES DIFFUSING IMAGEWISE IN REGISTER TO A JUXTAPOSED RECEPTION LAYER CONTAINING A BASIC MORDANT FOR ACID DYES.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |