US4226989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melamine-monophthalimides
Assignee: Wyeth Holdings LLC
•
Filing: 1979-07-19
•
Granted: 1980-10-07
•
Expires: 1999-07-19
Abstract
Abstract Melamine monophthalimides and its halogenated derivatives are novel compounds having utility as plasticizers or fire retardants in resin composition.
Inventors
- 👤 Roland R. Dileone
- 👤 Jeno G. Szita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/34926
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
23 words
A compound defined by the formula ##STR2## wherein each X represents a member selected from the group consisting of hydrogen and halogen atoms.
Claim 2
Dependent Claim
23 words
A compound defined by the formula ##STR2## wherein each X represents a member selected from the group consisting of hydrogen and halogen atoms.
Claim 3
Dependent Claim
1 words
Melamine-mono(phthalimide).
Claim 4
Dependent Claim
1 words
Melamine-mono(phthalimide).
Claim 5
Dependent Claim
1 words
Melamine-mono(tetrachlorophthalimide).
Claim 6
Dependent Claim
1 words
Melamine-mono(tetrachlorophthalimide).
Claim 7
Dependent Claim
1 words
Melamine-mono(tetrabromophthalimide).
Claim 8
Dependent Claim
1 words
Melamine-mono(tetrabromophthalimide).
References Cited (Backward Citations)
US4113725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-07 | 1984-04-07 | 1984-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-07 | 1988-04-07 | 1988-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-07 | 1992-04-07 | 1992-10-07 | $7700.00 | Window Closed / Lapsed |