US3673135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink
Assignee: Frye Ind Inc
•
Filing: 1969-10-06
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Granted: 1972-06-27
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Expires: 1989-10-06
Abstract
Abstract A printing ink instantaneously hardenable upon contact with a catalyst comprising 65 to 80 weight percent of a varnish having a major amount of a liquid monomer of acrylic or methacrylic di- or triester and a minor proportion of a resin compatible with the liquid monomer, 10 to 30 weight percent pigment, a tertiary aromatic amine accelerator and 1 to 10 weight percent wax.
Inventors
- 👤 Carl B Blake
- 👤 George K L Tung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:32
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/0027; C; C08; C08F; C08F291/00; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106; C09D11/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A printing ink as in claim 1 wherein the monomer has a polymerization potential of up to about 5 seconds at 25* C.
Claim 2
Dependent Claim
30 words
A printing ink as in claim 2 wherein the monomer comprises a mixture of trimethylolpropane trimethacrylate and diethylene glycol diacrylate in approximately the proportion of 5 to 4 by weight.
References Cited (Backward Citations)
US2002537A
Cited
US3515590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |