US3855180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable compositions from blend of maleimido compound and vinyl ether
Assignee: General Electric Co
•
Filing: 1973-04-09
•
Granted: 1974-12-17
•
Expires: 1993-04-09
Abstract
Abstract Solventless blends are provided of a maleimido methyl substituted toluene and a vinyl ether. The aforesaid solventless blends can be converted to high performance films when cured with ultraviolet radiation.
Inventors
- 👤 S Schroeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:21
CPC Classifications
C; C09; C09D; C09D4/00; C08; C08F; C08F222/00; C08F222/36; C08F222/40
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
30 words
SOLVENTLSS BLEND WHICH CONSISTS ESSENTIALLY OF, (A) A MALEIMIDO METHYL SUBSTITUTED TOLUENE HAVING AN AVERAGE OF 3 TOLUENE RINGS AND AT LEAST TWO CHEMICALLY COMBINED MALEIMIDO RADICALS OF THE FORMULA,
Claim 2
Dependent Claim
30 words
SOLVENTLSS BLEND WHICH CONSISTS ESSENTIALLY OF, (A) A MALEIMIDO METHYL SUBSTITUTED TOLUENE HAVING AN AVERAGE OF 3 TOLUENE RINGS AND AT LEAST TWO CHEMICALLY COMBINED MALEIMIDO RADICALS OF THE FORMULA,
Claim 3
Dependent Claim
17 words
A blend in accordance with claim 1, where the aliphatically unsaturated ether is diethylene glycol divinyl ether.
Claim 4
Dependent Claim
16 words
A blend in accordance with claim 1, where the aliphatically unsaturated ether is phenyl vinyl ether.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |