US3546270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis-methylene malonic acid nitriles
Assignee: Novartis Corp
•
Filing: 1966-07-18
•
Granted: 1970-12-08
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Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Kirchmayr
- 👤 Hans Jakob Peterli
- 👤 Hansjorg Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:24
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08K; C08K5/00; C08K5/16; C08K5/315; C08L; C08L1/00; C08L1/08; C08L1/10; C08L1/12; C09; C09B; C09B23/00; C09B23/14; C09B23/143; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/20; C09K15/28; D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/192; D06M13/203; D06M13/322; D06M13/345; D06M13/348; D06M13/402; D06M15/00; D06M15/19; D06M15/37; D06M15/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3069456A
Cited
US3174937A
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US3215725A
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US3313829A
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US3272855A
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US3405161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |