US2968554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic transfer processes for forming multicolor dye images and photographic products for carrying out the same
Assignee: Polaroid Corp
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Filing: 1954-08-09
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Granted: 1961-01-17
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Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:11
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
423 words
A PHOTOGRAPHIC PROCESS FOR FORMING A MULTICOLOR TRANSFER IMAGE CONTAINING A PLURALITY OF IMAGES IN DYES, COMPRISING EXPOSING A PHOTOSENSITIVE SCREEN ELEMENT WHICH COMPRISES A FIRST SET OF PHOTOSENITIVE PORTIONS, EACH PORTION INCLUDING A FIRST REAGENT AND PHOTOSENSITIVE SILVER HALIDE HAVING A PEAK SENSITIVITY WITHIN A FIRST PORTION OF THE VISIBLE SPECTRUM, AND AT LEAST A SECOND SET OF PHOTOSENSITIVE PORTIONS, EACH PORTION INCLUDING A SECOND AND DIFFERENT REAGENT AND PHOTOSENSITIVE SILVER HALIDE HAVING A PEAK SENSITIVITY WITHIN A SECOND AND DIFFERENT PORTION OF THE VISIBLE SPECTRUM, EACH OF SDAID REAGENTS BEING CAPABLE OF REACTING WITH A MEMBER OF THE GROUP CONSISTING OF (A) EXPOSED SILVER HALIDE AND (B) A PRODUCT OF THE DEVELOPMENT OF EXPOSED SILVER HALIDE, AND ALSO PROVIDING A MOBILE DYE-PROVIDING CONSTITUENT SELECTED FROM THE GROUP CONSISTING OF DYES AND DYE INTERMEDIATES, SAID PHOTOSENSITIVE PORTIONS BEING MOUNTED IN CONTIGUOUS ARRANGEMENT WHEREIN THE INDIVIDUAL PORTIONS OF EACH SET ARE INTERSPERSED WITH RESPECT TO EACH OTHER IN A SCREEN PATTERN WITH THE RESPECTIVE EXPOSURE FACES OF SAID PORTIONS BEING IN SIDE-BY-SIDE RELATION TO FORM, IN THE AGGREGATE, A SURFACE THROUGH WHICH SAID ELEMENT IS EXPOSABLE, APPLYING TO THE EXPOSURE SURFACE OF SAID PHOTOSENSITIVE ELEMENT A PROCESSING LIQUID AND SUBSTANTIALLY CONCURRENTLY PERMEATING THE APPLIED PROCESSING LIQUID INTO EACH SAID PHOTOSENSITIVE PORTION, EACH SAID PHOTOSENSITIVE PORTION, WHERE PERMEATED BY SAID PROCESSING LUQIUD, CONTAINING A SILVER HALIDE DEVELOPING AGENT, THEREBY DEVELOPNG SAID EXPOSED PHOTOSENSITIVE ELEMENT AND IMMOBILIZING EACH SAID REAGENT IN EXPOSED AREAS AS A FUNCTION OF SAID DEVELOPMENT AND PROVIDING, IN UNDEVELOPED AREAS, AN IMAGEWISE DISTRIBUTION OF SAID DYE-PROVIDING CONSTITUENT MOBILE IN SAID PROCESSING LIQUID, TRANSFERRING SAID MOBILE DYE-PROVIDING CONSTITUENTS BY DIFFUSION FROM SAID UNDEVELOPED ARAS THROUGH SAID EXPOSURE FACE OF SAID PHOTOSENSITIVE ELEMENT AND SAID PROCESSING LIQUID TO A SINGLE PRINT-RECEIVING LAYER LOCATED IN SUPERPOSED RELATION TO SAID PHOTOSENSITIVE ELEMENT, DEPOSITING SAID MOBILE DYEPROVIDING CONSTITUENTS ON SURFACE AREAS OF SAID PRINT-RECEIVING LAYER WHICH ARE LOCATED GENERALLY OPPOSITE SAID PHOTOSENSITIVE PORTIONS AND WHICH AREAS ARE IN OVERLAPPING RELATION TO EACH OTHER AND ARE EACH LARGER THAN THE EXPOSURE FACE OF THE RESPECTIVE PHOTOSENSITIVE PORTION TO WHICH EACH SAID SURFACE AREA IS OPPOSITE, AND FORMING, BY MEANS OF SAID TRANSFERRED MOBILE DYE-PROVIDING CONSTITUTNES, A PLURALITY OF DYE IMAGES, THE COLOR CHARACTERISTICS OF THE DYE OF EACH OF SAID DYE IMAGES BEING PREDETERMINED BY THE CHEMICAL STRUCTIRE OF ITS RESPECTIVE MOBILE DYE-PROVIDING CONSTITUENT AND EACH SAID DYE SO PROVIDED POSSESSING A PREDOMINANT SPECTRAL ABSORPTION WITHIN THE REGION OF THE VISIBLE SPECTRUM TO WHICH THE PHOTOSENSITIVE PORTION FROM WHICH SAID MOBILE DYE-PROVIDING CONSTITUTUENT IS DIFFUSED IS SENSITIVE.
Claim 2
Dependent Claim
423 words
A PHOTOGRAPHIC PROCESS FOR FORMING A MULTICOLOR TRANSFER IMAGE CONTAINING A PLURALITY OF IMAGES IN DYES, COMPRISING EXPOSING A PHOTOSENSITIVE SCREEN ELEMENT WHICH COMPRISES A FIRST SET OF PHOTOSENITIVE PORTIONS, EACH PORTION INCLUDING A FIRST REAGENT AND PHOTOSENSITIVE SILVER HALIDE HAVING A PEAK SENSITIVITY WITHIN A FIRST PORTION OF THE VISIBLE SPECTRUM, AND AT LEAST A SECOND SET OF PHOTOSENSITIVE PORTIONS, EACH PORTION INCLUDING A SECOND AND DIFFERENT REAGENT AND PHOTOSENSITIVE SILVER HALIDE HAVING A PEAK SENSITIVITY WITHIN A SECOND AND DIFFERENT PORTION OF THE VISIBLE SPECTRUM, EACH OF SDAID REAGENTS BEING CAPABLE OF REACTING WITH A MEMBER OF THE GROUP CONSISTING OF (A) EXPOSED SILVER HALIDE AND (B) A PRODUCT OF THE DEVELOPMENT OF EXPOSED SILVER HALIDE, AND ALSO PROVIDING A MOBILE DYE-PROVIDING CONSTITUENT SELECTED FROM THE GROUP CONSISTING OF DYES AND DYE INTERMEDIATES, SAID PHOTOSENSITIVE PORTIONS BEING MOUNTED IN CONTIGUOUS ARRANGEMENT WHEREIN THE INDIVIDUAL PORTIONS OF EACH SET ARE INTERSPERSED WITH RESPECT TO EACH OTHER IN A SCREEN PATTERN WITH THE RESPECTIVE EXPOSURE FACES OF SAID PORTIONS BEING IN SIDE-BY-SIDE RELATION TO FORM, IN THE AGGREGATE, A SURFACE THROUGH WHICH SAID ELEMENT IS EXPOSABLE, APPLYING TO THE EXPOSURE SURFACE OF SAID PHOTOSENSITIVE ELEMENT A PROCESSING LIQUID AND SUBSTANTIALLY CONCURRENTLY PERMEATING THE APPLIED PROCESSING LIQUID INTO EACH SAID PHOTOSENSITIVE PORTION, EACH SAID PHOTOSENSITIVE PORTION, WHERE PERMEATED BY SAID PROCESSING LUQIUD, CONTAINING A SILVER HALIDE DEVELOPING AGENT, THEREBY DEVELOPNG SAID EXPOSED PHOTOSENSITIVE ELEMENT AND IMMOBILIZING EACH SAID REAGENT IN EXPOSED AREAS AS A FUNCTION OF SAID DEVELOPMENT AND PROVIDING, IN UNDEVELOPED AREAS, AN IMAGEWISE DISTRIBUTION OF SAID DYE-PROVIDING CONSTITUENT MOBILE IN SAID PROCESSING LIQUID, TRANSFERRING SAID MOBILE DYE-PROVIDING CONSTITUENTS BY DIFFUSION FROM SAID UNDEVELOPED ARAS THROUGH SAID EXPOSURE FACE OF SAID PHOTOSENSITIVE ELEMENT AND SAID PROCESSING LIQUID TO A SINGLE PRINT-RECEIVING LAYER LOCATED IN SUPERPOSED RELATION TO SAID PHOTOSENSITIVE ELEMENT, DEPOSITING SAID MOBILE DYEPROVIDING CONSTITUENTS ON SURFACE AREAS OF SAID PRINT-RECEIVING LAYER WHICH ARE LOCATED GENERALLY OPPOSITE SAID PHOTOSENSITIVE PORTIONS AND WHICH AREAS ARE IN OVERLAPPING RELATION TO EACH OTHER AND ARE EACH LARGER THAN THE EXPOSURE FACE OF THE RESPECTIVE PHOTOSENSITIVE PORTION TO WHICH EACH SAID SURFACE AREA IS OPPOSITE, AND FORMING, BY MEANS OF SAID TRANSFERRED MOBILE DYE-PROVIDING CONSTITUTNES, A PLURALITY OF DYE IMAGES, THE COLOR CHARACTERISTICS OF THE DYE OF EACH OF SAID DYE IMAGES BEING PREDETERMINED BY THE CHEMICAL STRUCTIRE OF ITS RESPECTIVE MOBILE DYE-PROVIDING CONSTITUENT AND EACH SAID DYE SO PROVIDED POSSESSING A PREDOMINANT SPECTRAL ABSORPTION WITHIN THE REGION OF THE VISIBLE SPECTRUM TO WHICH THE PHOTOSENSITIVE PORTION FROM WHICH SAID MOBILE DYE-PROVIDING CONSTITUTUENT IS DIFFUSED IS SENSITIVE.
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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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |