US3053843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New condensation products derived from tetrameric cyanogen halides
Assignee: Novartis AG
•
Filing: 1960-07-11
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Granted: 1962-09-11
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Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Gysin Hans
- 👤 Knusli Enrico
- 👤 Rumpf Jurg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:30
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/12; C09; C09B; C09B62/00; C09B62/02; C09B62/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
NEW CONDENSATION PRODUCT DERIVED FROM TETRAMERIC CYANOGEN CHLORIDE, OF THE FORMULA
Claim 2
Dependent Claim
11 words
NEW CONDENSATION PRODUCT DERIVED FROM TETRAMERIC CYANOGEN CHLORIDE, OF THE FORMULA
Claim 3
Dependent Claim
5 words
THE COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
THE COMPOUND OF THE FORMULA
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |