US3096356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New aromatic amines and processes for their preparation
Assignee: Compagnie Francaise des Matieres Colorantes SARL
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Filing: 1957-12-13
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Granted: 1963-07-02
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Jirou Marcel
- 👤 Frey Jean-Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:28
CPC Classifications
C; C09; C09B; C09B39/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
1 words
N-(3-HYDROXY-4-AMINO-6-METHYL-PHENYLSULPHONYL)N''-ETHYLUREA.
Claim 4
Dependent Claim
1 words
N-(3-HYDROXY-4-AMINO-6-METHYL-PHENYLSULPHONYL)N''-ETHYLUREA.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |