Patent US3093685A successfully refreshed from Google Patents.
US3093685A
Expired / Lapsed
US
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Catalytic reduction of aromatic mononitro compounds
Assignee: GAF Chemicals Corp
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Filing: 1960-10-21
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Granted: 1963-06-11
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Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Eugene V Hort
- 👤 Harlan B Freyermuth
- 👤 David E Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:10
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/30; C07C209/32; C07C209/36; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/44; B01J21/00; B01J21/02; B01J21/04; B01J21/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A METHOD FOR REDUCING AROMATIC, MONOCYCLIC, CARBOCYCLIC, MONONITRO COMPOUNDS OF THE FORMULA:
Claim 2
Independent Claim
12 words
A METHOD FOR REDUCING AROMATIC, MONOCYCLIC, CARBOCYCLIC, MONONITRO COMPOUNDS OF THE FORMULA:
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |