US3012885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure image transfer process
Assignee: Eastman Kodak Co
•
Filing: 1956-12-03
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Granted: 1961-12-12
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Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas I Abbott
- 👤 James H Shepler
- 👤 Henry C Yutzy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:46
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/315; G03C5/50; Y; Y10; Y10S; Y10S101/00; Y10S101/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE METHOD OF FORMING A DYE IMAGE IN AN OILABSORBENT RECEIVING SHEET BY TRANSFER, WHICH COMPRISES FORMING A COUPLER COMPOUND IMAGE BY EXPOSURE AND COLOR DEVELOPMENT WITH A PRIMARY AROMATIC AMINO DEVELOPING AGENT, IN A LIGHT-SENSIVE ELEMENT INCLUDING A LAYER OF HYDROPHILIC COLLOID CONTAINING A DISPERSION OF A COUPLER COMPOUND CAPABLE OF REACTING WITH THE OXIDATION PRODUCT OF A PRIMARY AROMATIC AMOINO DEVELOPING AGENT TO FROM A DYE SAID COUPLER COMPOUND BEING DISSOLVED IN AN ORGANIC CRYSTALLOIDAL SOLVENT FOR THE COUPLER AND FOR THE DYE FORMED THEREFORM AND HAVING A BOILING POINT ABOVE ABOUT 175*C., THE RATIO OF HYDROPHILIC COLLOID TO ORGANIC SOLVENT BEING BETWEEN ABOUT 1 TO 1 AND 1 TO 5, AND WHILE RETAINING SAID HYDROPHILIC COLLIOD TO PRESSING SAID ELEMENT INTO CONTACT WITH AN OIL-ABSORBENT RECEIVING SHEET WITH SUFFICIENT PRESSURE TO CAUSE SAID ORGANIC SOLVENT AND COUPLER COMPOUND IMAGE TO TRANSFER TO SAID RECEIVING SHEET.
Claim 2
Independent Claim
148 words
THE METHOD OF FORMING A DYE IMAGE IN AN OILABSORBENT RECEIVING SHEET BY TRANSFER, WHICH COMPRISES FORMING A COUPLER COMPOUND IMAGE BY EXPOSURE AND COLOR DEVELOPMENT WITH A PRIMARY AROMATIC AMINO DEVELOPING AGENT, IN A LIGHT-SENSIVE ELEMENT INCLUDING A LAYER OF HYDROPHILIC COLLOID CONTAINING A DISPERSION OF A COUPLER COMPOUND CAPABLE OF REACTING WITH THE OXIDATION PRODUCT OF A PRIMARY AROMATIC AMOINO DEVELOPING AGENT TO FROM A DYE SAID COUPLER COMPOUND BEING DISSOLVED IN AN ORGANIC CRYSTALLOIDAL SOLVENT FOR THE COUPLER AND FOR THE DYE FORMED THEREFORM AND HAVING A BOILING POINT ABOVE ABOUT 175*C., THE RATIO OF HYDROPHILIC COLLOID TO ORGANIC SOLVENT BEING BETWEEN ABOUT 1 TO 1 AND 1 TO 5, AND WHILE RETAINING SAID HYDROPHILIC COLLIOD TO PRESSING SAID ELEMENT INTO CONTACT WITH AN OIL-ABSORBENT RECEIVING SHEET WITH SUFFICIENT PRESSURE TO CAUSE SAID ORGANIC SOLVENT AND COUPLER COMPOUND IMAGE TO TRANSFER TO SAID RECEIVING SHEET.
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |