US3594348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethers capable of being cross-linked under the action of light and process for their manufacture
Assignee: Kalle GmbH and Co KG
•
Filing: 1968-07-02
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Granted: 1971-07-20
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Expires: 1988-07-02
Abstract
Abstract POLYETHERS CAPABLE OF BEING CROSS-LINKED UNDER THE ACTION OF LIGHT ARE MADE BY CATIONIC POLYMERIZATION OF LIGHTSENSITIVE OXETANES DISUBSTITUTED IN THE 3-POSITION, IF DESIRED TOGETHER WITH SUBSTITUTED OXIRANES, OXETANES OR OXOLANES AS LIGHT-INSENSITIVE COMONOMERS.
Inventors
- 👤 Herbert Maar
- 👤 Hartmut Steppan
- 👤 Gunter Messwarb
- 👤 Walter Luders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:51
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/16; C08G65/18; Y; Y10; Y10S; Y10S522/00; Y10S522/904
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |