US3948668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon-containing printing ink and process for image printing
Assignee: EIDP Inc
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Filing: 1974-03-15
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Granted: 1976-04-06
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Expires: 1994-03-15
Abstract
Abstract An image-printing process comprising applying to a substrate a printing ink containing from about 0.01% to 1.0%, based on the total weight of the ink, of a fluorocarbon surfactant containing a fluorocarbon moiety selected from the group. Cf 3 (cf 2 ) 3 cf 3 cf(cf 3 )o-, and CF 3 CF(CF 3 )CF 2 -, the surfactant containing at least 25% fluorine by weight; also, printing inks containing particular surfactants having the CF 3 (CF 2 ) 3 moiety.
Inventors
- 👤 Mason Hayek
- 👤 Richard J. Moody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:29
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
In a printing ink comprising a dye or pigment coloring agent, a water or organic liquid vehicle, and a surfactant, the improvement comprising incorporation therein of from 0.01% to 1.0%, based on total weight, of the surfactant C n F 2n +1 CH 2 CH 2 O(CH 2 CH 2 O) x H where n has an average value of about 7 and x has an average value of about 10.6.
Claim 2
Dependent Claim
71 words
In a printing ink comprising a dye or pigment coloring agent, a water or organic liquid vehicle, and a surfactant, the improvement comprising incorporation therein of from 0.01% to 1.0%, based on total weight, of the surfactant C n F 2n +1 CH 2 CH 2 O(CH 2 CH 2 O) x H where n has an average value of about 7 and x has an average value of about 10.6.
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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) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |