US3047589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of substituted perchlorylaromatic compounds
Assignee: Pennwalt Corp
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Filing: 1959-09-23
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Granted: 1962-07-31
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Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 Scott Francis Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:52
CPC Classifications
C; C07; C07C; C07C243/00; C06; C06B; C06B43/00; C07C205/00; C07C205/07; C07C205/11; C07C205/12; C07C247/00; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A PERCHLORYLBENZENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF 4-METHOXYPERCHLORYLBENZENE, 4-PHENYLTHIOPERCHLORYLBENZENE. 4-AZIDOPERCHLORYLBENZENE AND 4HYDRAZINOPERCHLORYLBENZENE.
Claim 2
Dependent Claim
14 words
A PERCHLORYLBENZENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF 4-METHOXYPERCHLORYLBENZENE, 4-PHENYLTHIOPERCHLORYLBENZENE. 4-AZIDOPERCHLORYLBENZENE AND 4HYDRAZINOPERCHLORYLBENZENE.
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |