US3496130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin compositions comprising epoxy resins together with (a) an adduct of an epoxy resin and a polyamine and (b) a phenolaldehyde resin and/or certain esterification products or resinic acids
Assignee: Hoechst AG Werk Kalle Albert
•
Filing: 1967-01-31
•
Granted: 1970-02-17
•
Expires: 1987-01-31
Abstract
No abstract record available.
Inventors
- 👤 Karl Wasem
- 👤 Wilhelm Scharhag
- 👤 Willi Konig
- 👤 Johannes Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:45
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G14/00; C08G14/02; C08G14/04; C08G14/06; C08G14/08; C08G59/00; C08G59/18; C08G59/182; C08G59/184; C08G59/40; C08G59/50; C08G59/5006; C08G59/56; C08G8/00; C08G8/04; C08G8/08; C08G8/12; C08L61/00; C08L61/04; C08L61/06; C08L61/14; C08L79/00; C08L79/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2490550A
Cited
GB691543A
Cited
US2741651A
Cited
US2986546A
Cited
US3057756A
Cited
US3177089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |