US3146269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis(o-hydroxybenzoyl)phenyl compounds
Assignee: Millennium Petrochemicals Inc
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Filing: 1960-11-10
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Granted: 1964-08-25
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Braus Harry
- 👤 Otto A Homberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:13
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C07; C07C; C07C45/00; C07C45/45; C07C45/46; C07C49/00; C07C49/76; C07C49/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A CHEMICAL COMPOUND HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
7 words
A CHEMICAL COMPOUND HAVING THE STRUCTURAL 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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |