← Back to Patent Explorer
US2647049A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic element for color photography and a process of producing multicolor pictures

Assignee: Polaroid Corp
•
Filing: 1947-02-25
•
Granted: 1953-07-28
•
Expires: 1967-02-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edwin H Land

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:37
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/08; G03C8/42; Y; Y10; Y10S; Y10S430/00; Y10S430/142

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 241 words
THE PROCESS OF FORMING A POSITIVE MULTICOLOR IMAGE WHICH COMPRISES DEVELOPING A LATENT NEGATIVE IMAGE, REPRESENTATIVE OF A COLOR COMPONENT IMAGE, REPRESENTATIVE OF A COLOR COMSENSITIVE SILVER HALIDE EMULSION LAYERS WITH A COLOR-FORMING DEVELOPER SUBSTANTIALLY UNIFORMLY DISTRIBUTED, SUBSTANTIALLY TO THE EXCLUSION OF A SILVER HALIDE SOLVENT FIXER, THROUGHOUT EACH SAID PHOTOSENSITIVE LAYER TO PROVIDE AN IMAGEWISE DISTRIBUTION OF UNREACTED DEVELOPER IN EACH SAID PHOTOSENSITIVE LAYER, TO PROVIDE AN IMAGEWISE DISAND SUBSTANTIALLY TO THE EXCLUSION OF SILVER SALTS, AT LEAST A PART OF SAID IMAGE-WISE DISTRIBUTION OF UNREACTED DEVELOPER IN EACH SAIDPHOTOSENSITIVE LAYER TO PRINT-RECEIVING MEANS ADAPTED TO HAVE DYE COMPONENT IMAGES-RECEIVING LAYR WHILE SUPERPOSED AND REGISTERED RELATION AND COMPRISING AT LEAST ONE IMAGE-RECEIVING LAYER WHILE MAINTAINING EACH SAID PHOTOSENSITIVE LAYER, AS SAID IMAGEWISE DISTRIBUTION IS UNDERGOING TRANSFER, IN PREDETERMINEDLY REGISTERED AND SUPERPOSED RELATION TO AN IMAGE-RECEIVING LAYER AND IN SUCH CLOSE PROXIMITY THERETO AS TO TRANSFER TO SAID IMAGE-RECEIVING LAYER FOR RECEPTION THEREBY A DEPTHWISE DIFFUSION OF LIQUID WITHOUT APPRECIABLY DISTURBING THE IMAGEWISE DISTRIBUTION OF DEVELOPER CONTAINED IN SAID TRANSFERRED LIQUID, AND REACTING DEVELOPER TRANSFERRED FROM EACH SAID PHOTOSENSITIVE LAYER TO AN IMAGE-RECEIVING LAYER WHICH TO FORM A DYE IN THE IMAGE-RECEIVING LAYER WHICH RECEIVES SAID TRANSFERRED LIQUID WHEREBY TO PROVIDE A PLURALITY OF REGISTERED COLOR COMPONENT IMAGES WHICH TOGETHER FORM SAID POSITIVE MULTICOLOR IMAGE, EACH SAID DYE IMAGE BEING FORMED IN AN IMAGE-RECEIVING LAYER WHICH IS SUBSTANTIALLY FREE OF TRANSFERRED SILVER SO THAT EACH SAID DYE IMAGE IS READILY VISIBLE.
Claim 2
Dependent Claim 241 words
THE PROCESS OF FORMING A POSITIVE MULTICOLOR IMAGE WHICH COMPRISES DEVELOPING A LATENT NEGATIVE IMAGE, REPRESENTATIVE OF A COLOR COMPONENT IMAGE, REPRESENTATIVE OF A COLOR COMSENSITIVE SILVER HALIDE EMULSION LAYERS WITH A COLOR-FORMING DEVELOPER SUBSTANTIALLY UNIFORMLY DISTRIBUTED, SUBSTANTIALLY TO THE EXCLUSION OF A SILVER HALIDE SOLVENT FIXER, THROUGHOUT EACH SAID PHOTOSENSITIVE LAYER TO PROVIDE AN IMAGEWISE DISTRIBUTION OF UNREACTED DEVELOPER IN EACH SAID PHOTOSENSITIVE LAYER, TO PROVIDE AN IMAGEWISE DISAND SUBSTANTIALLY TO THE EXCLUSION OF SILVER SALTS, AT LEAST A PART OF SAID IMAGE-WISE DISTRIBUTION OF UNREACTED DEVELOPER IN EACH SAIDPHOTOSENSITIVE LAYER TO PRINT-RECEIVING MEANS ADAPTED TO HAVE DYE COMPONENT IMAGES-RECEIVING LAYR WHILE SUPERPOSED AND REGISTERED RELATION AND COMPRISING AT LEAST ONE IMAGE-RECEIVING LAYER WHILE MAINTAINING EACH SAID PHOTOSENSITIVE LAYER, AS SAID IMAGEWISE DISTRIBUTION IS UNDERGOING TRANSFER, IN PREDETERMINEDLY REGISTERED AND SUPERPOSED RELATION TO AN IMAGE-RECEIVING LAYER AND IN SUCH CLOSE PROXIMITY THERETO AS TO TRANSFER TO SAID IMAGE-RECEIVING LAYER FOR RECEPTION THEREBY A DEPTHWISE DIFFUSION OF LIQUID WITHOUT APPRECIABLY DISTURBING THE IMAGEWISE DISTRIBUTION OF DEVELOPER CONTAINED IN SAID TRANSFERRED LIQUID, AND REACTING DEVELOPER TRANSFERRED FROM EACH SAID PHOTOSENSITIVE LAYER TO AN IMAGE-RECEIVING LAYER WHICH TO FORM A DYE IN THE IMAGE-RECEIVING LAYER WHICH RECEIVES SAID TRANSFERRED LIQUID WHEREBY TO PROVIDE A PLURALITY OF REGISTERED COLOR COMPONENT IMAGES WHICH TOGETHER FORM SAID POSITIVE MULTICOLOR IMAGE, EACH SAID DYE IMAGE BEING FORMED IN AN IMAGE-RECEIVING LAYER WHICH IS SUBSTANTIALLY FREE OF TRANSFERRED SILVER SO THAT EACH SAID DYE IMAGE IS READILY VISIBLE.
Claim 3
Dependent Claim 363 words
A PHOTOGRAPHIC PRODUCT WHICH COMPRISES A PLURALITY OF WATER-PERMEABLE LAYERS AND INCLUDING AT LEAST TWO PHOTOSENSITIVE SILVER HALIDE LAYERS, PRINT-RECEIVING MEANS ADAPTED TO CARRY A PLURALITY OF DYE COMPONENT INAGES IN SUPERPOSED AND REGISTERED RELATION TO EACH OTHER AND COMPRISING AT LEAST ONE IMAGE-RECEIVING LAYER FOR RECEIVING BY TRANSFER A POSITIVE IMAGES OF A LATENT IMAGE FORMED IN EACH PHOTOSENSITIVE LAYER, MEANS INTERCONNECTING SAID PHOTOSENSITIVE LAYERS FOR MOVEMENT RELATIVE TO EACH OTHER AND COMIMAGE-RECEIVING LAYER WHEREBY EACH PHOTOSENSITIVE LAYER IS POSITIONABLE IN SUPERPOSED RELATION AND IN RELATIVELY CLOSE PROXIMITY TO SAID IMAGERECEIVING LAYER, A PLURALITY OF RUPTURABLE CONTAINERS, ONE CONTAINER FOR EACH PHOTOSENSITIVE LAYER AND EACH CONTAINER HOLDING AT LEAST A LIQUID SOLVENT FOR PHOTOGRAPHIC SILVER HALIDE DEVELOPER, EACH CONTAINER BEING INDIVIDUALLY CARRIED BY A LAYER OF SAID PRODUCT AND BEING POSITIONED BE TWEEN ITS RESPECTIVE PHOTOSENSITIVE LAYER AND SAID IMAGE-RECEIVING LAYER WHEN SAID IMAGE-RECEIVING LAYER AND SAID LAST-MENTIONED PHOTOSENSITIVE LAYER AND SAID LAST-MENTIONED PHOTOSENBEING LOCATED BETWEEN SAID SUPERPOSED LAYERS AT A POSITION WHERE THE CONTAINER IS CAPABLE OF BEING FRACTURED AND OF RELEASING ITS LIQUID CONTENT BETWEEN SAID SUPERPOSED PHOTOSENSIVE LAYER AND IMAGE-RECEIVING LAYER TO AT LEAST PARTIALLY PERMEATE THE SUPERPOSED PHOTOSENSITIVE LAYER AND IMAGE-RECEIVING LAYER, A COLOR-FORMING DEVELOPER SOLUBLE IN SAID LIQUID POSITIONED IN SAID PRODUCT IN INDIVIDUAL ASSOCIATION WITH EACH PHOTOSENSITIVE LAYER AND RENDERED EFFECTIVE TO DEVELOP LATENT TIVE LAYER AND RENDERED EFFECTIVE TO DEVELOP LATENT RELEASE OF LIQUID BETWEEN A PHOTOSENSITIVE LAYER AND AN IMAGE-RECEIVING LAYER IN SAID SUPERPOSED RELATION, THE RESULT OF DEVELOPMENT OF EACH PHOTOSENSITIVE LAYER BEING THE FORMATION THEREIN OF A DIFFERENTIAL DISPOSITION OF UNREACTED DEVELOPER WHICH IS ADAPTED TO BE TRANSFERRED TO THE IMAGERECEIVING LAYER IN SUPERPOSED RELATION THEREWITH AND TO EFFECT THE FORMATION IN SAID IMAGE-RECEIVING LAYER OF A REVERSE DYE IMAGE OF THE SUBJECT MATTER OF THE LATENT IMAGE IN SAID SUPERPOSED PHOTOSENSITIVE LAYER, SAID PRODUCT ALSO HAVING MATERIAL WHICH IS REACTABLE WITH SAID DEVELOPER FOR EFFECTING DYE FORMATION AND WHICH IS CONTAINED IN SAID PRODUCT IN ASSOCIATION WITH EACH INDIVIDUAL PHOTOSENSITIVE LAYER, AT LEAST IN A POSITION FOR CONTACT WITH LIQUID WHICH IS TRANSREACTED DEVELOPER IN SOLUTION AND WHICH IS TRANSFERRED TO AN IMAGE-RECEIVING LAYER IN SUPERPOSED RELATION TO A PHOTOSENSITIVE LAYER.
Claim 4
Dependent Claim 363 words
A PHOTOGRAPHIC PRODUCT WHICH COMPRISES A PLURALITY OF WATER-PERMEABLE LAYERS AND INCLUDING AT LEAST TWO PHOTOSENSITIVE SILVER HALIDE LAYERS, PRINT-RECEIVING MEANS ADAPTED TO CARRY A PLURALITY OF DYE COMPONENT INAGES IN SUPERPOSED AND REGISTERED RELATION TO EACH OTHER AND COMPRISING AT LEAST ONE IMAGE-RECEIVING LAYER FOR RECEIVING BY TRANSFER A POSITIVE IMAGES OF A LATENT IMAGE FORMED IN EACH PHOTOSENSITIVE LAYER, MEANS INTERCONNECTING SAID PHOTOSENSITIVE LAYERS FOR MOVEMENT RELATIVE TO EACH OTHER AND COMIMAGE-RECEIVING LAYER WHEREBY EACH PHOTOSENSITIVE LAYER IS POSITIONABLE IN SUPERPOSED RELATION AND IN RELATIVELY CLOSE PROXIMITY TO SAID IMAGERECEIVING LAYER, A PLURALITY OF RUPTURABLE CONTAINERS, ONE CONTAINER FOR EACH PHOTOSENSITIVE LAYER AND EACH CONTAINER HOLDING AT LEAST A LIQUID SOLVENT FOR PHOTOGRAPHIC SILVER HALIDE DEVELOPER, EACH CONTAINER BEING INDIVIDUALLY CARRIED BY A LAYER OF SAID PRODUCT AND BEING POSITIONED BE TWEEN ITS RESPECTIVE PHOTOSENSITIVE LAYER AND SAID IMAGE-RECEIVING LAYER WHEN SAID IMAGE-RECEIVING LAYER AND SAID LAST-MENTIONED PHOTOSENSITIVE LAYER AND SAID LAST-MENTIONED PHOTOSENBEING LOCATED BETWEEN SAID SUPERPOSED LAYERS AT A POSITION WHERE THE CONTAINER IS CAPABLE OF BEING FRACTURED AND OF RELEASING ITS LIQUID CONTENT BETWEEN SAID SUPERPOSED PHOTOSENSIVE LAYER AND IMAGE-RECEIVING LAYER TO AT LEAST PARTIALLY PERMEATE THE SUPERPOSED PHOTOSENSITIVE LAYER AND IMAGE-RECEIVING LAYER, A COLOR-FORMING DEVELOPER SOLUBLE IN SAID LIQUID POSITIONED IN SAID PRODUCT IN INDIVIDUAL ASSOCIATION WITH EACH PHOTOSENSITIVE LAYER AND RENDERED EFFECTIVE TO DEVELOP LATENT TIVE LAYER AND RENDERED EFFECTIVE TO DEVELOP LATENT RELEASE OF LIQUID BETWEEN A PHOTOSENSITIVE LAYER AND AN IMAGE-RECEIVING LAYER IN SAID SUPERPOSED RELATION, THE RESULT OF DEVELOPMENT OF EACH PHOTOSENSITIVE LAYER BEING THE FORMATION THEREIN OF A DIFFERENTIAL DISPOSITION OF UNREACTED DEVELOPER WHICH IS ADAPTED TO BE TRANSFERRED TO THE IMAGERECEIVING LAYER IN SUPERPOSED RELATION THEREWITH AND TO EFFECT THE FORMATION IN SAID IMAGE-RECEIVING LAYER OF A REVERSE DYE IMAGE OF THE SUBJECT MATTER OF THE LATENT IMAGE IN SAID SUPERPOSED PHOTOSENSITIVE LAYER, SAID PRODUCT ALSO HAVING MATERIAL WHICH IS REACTABLE WITH SAID DEVELOPER FOR EFFECTING DYE FORMATION AND WHICH IS CONTAINED IN SAID PRODUCT IN ASSOCIATION WITH EACH INDIVIDUAL PHOTOSENSITIVE LAYER, AT LEAST IN A POSITION FOR CONTACT WITH LIQUID WHICH IS TRANSREACTED DEVELOPER IN SOLUTION AND WHICH IS TRANSFERRED TO AN IMAGE-RECEIVING LAYER IN SUPERPOSED RELATION TO A PHOTOSENSITIVE LAYER.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-07-27 1957-01-26 1957-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-07-27 1961-01-26 1961-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-07-27 1965-01-26 1965-07-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag