US3607808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic ink
Assignee: Phillips Petroleum Co
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Filing: 1966-12-19
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Granted: 1971-09-21
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Expires: 1986-12-19
Abstract
Abstract A composition of matter useful for printing at elevated temperatures comprising polyethylene, an ester of rosin and minor amounts of coloring matter.
Inventors
- 👤 Stanley P Thompson
- 👤 Don L Shofner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:10
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/08; B; B41; B41M; B41M1/00; B41M1/12; C09D123/00; C09D123/02; C09D123/04; C09D123/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
44 words
The composition of claim 1 wherein the viscosity is within the range of about 70 to about 250 MI (ASTM 1238-62T) for at least 3 hours, wherein the Sward Hardness is within the range of about 3 to about 50 in its solid state.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |