US3437616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binding agent systems containing polymeric trimethylene oxide derivatives with polyether side chains as lacquer adjuvants
Assignee: Bayer AG
•
Filing: 1965-05-13
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Granted: 1969-04-08
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Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Joachim Nentwig
- 👤 Hermann Schnell
- 👤 Rolf Dhein
- 👤 Karl Raichle
- 👤 Herbert Gebauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:42
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C09; C09D; C09D167/00; C09D167/08; C09D171/00; C09D171/02; C09D7/00; C09D7/40; C09D7/47; C09D7/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2910483A
Cited
FR943411A
Cited
US2681894A
Cited
US2981710A
Cited
US2917468A
Cited
US2915486A
Cited
US3251800A
Cited
US3112218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |