US3759875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable liquid pigment composition and method
Assignee: Individual
•
Filing: 1971-10-12
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Granted: 1973-09-18
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Expires: 1991-10-12
Abstract
Abstract THE INVENTION DISCLOSED IS FOR A METHOD OF PREPARING A NEW CURABLE LIQUID PIGMENT COMPOSITION WHICH INCLUDES A PIGMENT COMPONENT, A POLYESTER-POLYENE COMPONENT HAVING AT LEAST TWO UNSATURATED CARBON-TO-CARBON BONDS DISPOSED AT TERMINAL POSITIONS ON A MAIN CHAIN OF THE MOLECLUE, AND A POLYTHIOL COMPONENT CONTAINING A MULTIPLICITY OF PENDANT OR TERMINALLY POSITIONED -SH FUNCTIONAL GROUPS PER AVERAGE MOLECULE OF THE POLYTHIOL. UPON CURING BY A FREE RADICAL GENERATOR SUCH AS ACTINIC RADIAITION, THE CURABLE LIQUID COMPOSITION RAPIDLY FORMS SUBSTANTIALLY ODORLESS, SOLID ELASTOMERIC FILMS WHICH EFFECTIVELY COLOR AND COAT A SUBSTRATE.
Inventors
- 👤 J Guthrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:24
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C08G63/914
Claims Analysis
Total Claims: 0
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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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |