US4461822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for toning image-wise modified surfaces
Assignee: EIDP Inc
•
Filing: 1983-09-15
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Granted: 1984-07-24
•
Expires: 2003-09-15
Abstract
Abstract Process for toning imagewise tacky surfaces by multiple application of at least two toners containing different low melting compounds having a polar substituent and melting in the range of 25° to 110° C., which in contact with one another render the toners tacky at room temperature thus yielding higher color density or change of color tone.
Inventors
- 👤 Werner Abele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:09
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/28
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
67 words
A process for increasing the color density or for changing the color tone of an image-wise modified surface which comprises applying consecutively to a tacky image at room temperature at least two different toners each toner containing at least one different organic compound having a polar substituent, and melting in the range of 25° to 110° C., said toners when in mutual contact make each other tacky.
Claim 2
Dependent Claim
67 words
A process for increasing the color density or for changing the color tone of an image-wise modified surface which comprises applying consecutively to a tacky image at room temperature at least two different toners each toner containing at least one different organic compound having a polar substituent, and melting in the range of 25° to 110° C., said toners when in mutual contact make each other tacky.
Claim 3
Dependent Claim
19 words
A process according to claim 1 wherein the organic compounds melt in the range of 30° to 80° C.
Claim 4
Dependent Claim
30 words
A process according to claim 1 wherein the organic compounds have a polar substituent taken from the group consisting of hydroxyl, ether, keto, ester, amide, carboxylic acid, sulfoxide, and sulfone.
Claim 5
Dependent Claim
27 words
A process according to claim 1 wherein the organic compounds applied are taken from the group consisting of benzophenone, benzohydrol, triphenyl phosphate and cinnamic acid benzyl ester.
Claim 6
Dependent Claim
14 words
A process according to claim 1 wherein the toners have present plastifiable polymer particles.
Claim 7
Dependent Claim
15 words
A process according to claim 5 wherein the plastifiable polymer particles are cellulose acetate particles.
Claim 8
Dependent Claim
15 words
A process according to claim 1 wherein different toners of the same color are used.
Claim 9
Dependent Claim
14 words
A process according to claim 1 wherein different toners of different colors are used.
References Cited (Backward Citations)
US3060024A
Cited
US3620726A
Cited
US3649268A
Cited
US3909282A
Cited
US4174216A
Cited
US4215193A
Cited
EP0034816A2
Cited
US4346162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-24 | 1988-01-23 | 1988-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-24 | 1992-01-23 | 1992-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-24 | 1996-01-23 | 1996-07-24 | $7700.00 | Window Closed / Lapsed |