US3654191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable epoxide compositions comprising a polyepoxide an n-glycidyl- or n-beta-methylglycidyl-oxazolidin - 2-one and and epoxide curing agent
Assignee: BASF Schweiz AG
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Filing: 1970-07-07
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Granted: 1972-04-04
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Expires: 1990-07-07
Abstract
Abstract CURABLE MIXTURES, WHICH ARE SUITABLE FOR THE MANUFACTURE OF SHAPED ARTICLES, COATINGS AND ADHESIVE BONDS, AND WHICH COMPRISE (A) A POLYEPOXIDE COMPOUND CONTAINING AT LEAST 2 EPOXIDE GROUPS, (B) AN UNSUBSTITUTED OR SUBSTITUTED N-GLYCIDYL- OR N-B-METHYLGLYCIDYL-OXAZOLIDIN-2-ONE COMPOUND, AND (C) A CURING AGENT FOR EPOXIDE RESINS, SUCH AS POLYAMINE OR A POLYCARBOXYLIC ANHYDRIDE.
Inventors
- 👤 Juergen Habermeier
- 👤 Hans Batzer
- 👤 Daniel Porret
- 👤 Walter Kunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:06
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C08G65/00; C08G65/02; C08G65/26
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) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |