US3401190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-(isocyanatomethyl)-3, 5, 5-tri-lower-alkyl cyclohexyl isocyanates
Assignee: SCHOLVEN CHEMIE AG GELSENKIRCH
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Filing: 1965-07-15
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Granted: 1968-09-10
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Expires: 1985-07-15
Abstract
No abstract record available.
Inventors
- 👤 Schmitt Karl
- 👤 Gude Fritz
- 👤 Jr Klaus Rindtorff
- 👤 Disteldorf Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:06
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/74; C08G18/75; C07; C07C; C07C263/00; C07C263/10; C08G18/751; C08G18/752; C08G18/753; C08G18/755; C14; C14C; C14C3/00; C14C3/02; C14C3/08; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |