Patent US1017937A successfully refreshed from Google Patents.
Patent US2900384A successfully refreshed from Google Patents.
US2900384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryloxyalkylhydrazinium chlorides
Assignee: WR Grace and Co
•
Filing: 1956-05-02
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Granted: 1959-08-18
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Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 Rudner Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:39
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/28; C07D295/30; C07D499/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A NEW CHEMICAL COMPOUND,4-AMINO-4-(3-PHENOXYPROPYL-1) MORPHOLINIUM CHLORIDE.
Claim 2
Dependent Claim
6 words
CHEMICAL COMPOUNDS HAVING THE GENERAL 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) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |