US3798242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n'-diglycidyl-dicarboxylic acid dianilides
Assignee: Novartis AG
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Filing: 1971-09-23
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Granted: 1974-03-19
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Expires: 1991-09-23
Abstract
Abstract COMPOUNDS OF AROMATIC AMINES WITH POLYCARBOXYLIC ACIDS WHICH POSSESS AT LEAST 2 GLYCIDYL GROUPS BONDED TO THE NITROGEN ATOMS OF THE AMIDE GROUPS, SUCH AS, FOR EXAMPLE, N, N''-DIGLYCIDYLSEBACIC ACID DIANILIDE OR N,N''-DIGLYCIDLTETRAHYDROPHTHALIC ACID DIANILIDE. THESE COMPOUNDS, TOGETHER WITH CURING AGENTS FOR EPOXIDE RESINS, ARE SUITABLE FOR THE MANUFACTURE OF MOULDINGS, COATINGS OR ADHESIVE BONDS.
Inventors
- 👤 H Batzer
- 👤 J Habermeier
- 👤 D Porret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:21
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/28; C07; C07D; C07D303/00; C07D303/02; C07D303/36
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |