US3887582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis-imide compositions
Assignee: General Electric Co
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Filing: 1973-09-20
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Granted: 1975-06-03
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Expires: 1993-09-20
Abstract
Abstract The invention covers novel imide compositions, which can be polymerized alone or coreacted with copolymerizable monomers and various polymers and resins having utility in insulation and protective applications, as well as being useful in numerous molding applications.
Inventors
- 👤 Fred F Holub
- 👤 Carl M Emerick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C07D207/452; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07D209/49; C07D209/56; C07D209/58; C07D209/72; C07D209/76; C08; C08F; C08F22/00; C08F22/36; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/12; C08G73/124; C08G73/125; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
9 words
A COMPOSITION OF MATTER CORRESPONDING TO THE GENERAL FORMULA
Claim 2
Dependent Claim
9 words
A COMPOSITION OF MATTER CORRESPONDING TO THE GENERAL FORMULA
Claim 3
Dependent Claim
9 words
A composition of matter corresponding to the general formula
Claim 4
Dependent Claim
9 words
A composition of matter corresponding to the general formula
Claim 5
Dependent Claim
8 words
A composition of matter corresponding to the formula
Claim 6
Dependent Claim
8 words
A composition of matter corresponding to the formula
Claim 7
Dependent Claim
8 words
A composition of matter corresponding to the formula
Claim 8
Dependent Claim
8 words
A composition of matter corresponding to the formula
References Cited (Backward Citations)
US2547496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-02 | 1978-12-02 | 1979-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-02 | 1982-12-02 | 1983-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-02 | 1986-12-02 | 1987-06-03 | $7700.00 | Window Closed / Lapsed |