Patent US3480591A successfully refreshed from Google Patents.
US3480591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers containing n-alkoxymethyl groups
Assignee: Bayer AG
•
Filing: 1966-02-02
•
Granted: 1969-11-25
•
Expires: 1986-02-02
Abstract
No abstract record available.
Inventors
- 👤 Gunter Oertel
- 👤 Hans Holtschmidt
- 👤 Kuno Wagner
- 👤 Karl-Friedrich Zenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:19
CPC Classifications
C; C08; C08G; C08G71/00; C08B; C08B15/00; C08F; C08F8/00; C08F8/30; C08G18/00; C08G18/06; C08G18/70; C08G18/71; C08G18/711; C08G2/00; C08G2/06; C08G2/18; C08G2/22; C08G2/24; C08G4/00; C08G63/00; C08G63/68; C08G63/685; C08G63/91; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/333; C08G65/33396; C08G69/00; C08G69/48; C08G73/00; C08G73/02; C08G73/06; C08G73/08; C08G75/00; C08G75/30; C08G85/00; C08G85/004; C08H; C08H1/00; C08H1/06; C08J; C08J5/00; C08J5/18; C08L; C08L89/00; C08L89/005; C08L89/04; C08L89/06; Y; Y10; Y10S; Y10S525/00; Y10S525/911; Y10S528/00; Y10S528/903
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2340757A
Cited
DE918777C
Cited
US2466404A
Cited
US2592263A
Cited
US2626278A
Cited
US3205284A
Cited
FR1337602A
Cited
GB1034693A
Cited
DE1205087B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |