US3076834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chelate-phenol adducts
Assignee: Dow Chemical Co
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Filing: 1960-03-04
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Granted: 1963-02-05
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Expires: 1980-03-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:44
CPC Classifications
C; C07; C07F; C07F19/00; C07F19/005; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
190 words
A PHENOL ADDUCT OF A METAL CHELATE OF A B-DICARBONYL COMPOUND, SAID PHENOL BEING SELECTED FROM THE GROUP CONSISTING OF PHENOL AND SUBSTITUENT PHENOLS WHEREIN IN SAID SUBSTITUTED PHENOLS THE SUBSTITUENTS ARE SELECTED FROM THE GROUP CONSISTING OF CHLORO, BROMO, LOWER ALKYL CONTAINING FROM 1 TO 4 CARBON ATOMS, INCLUCIVE, PHENYL AND MIXTURES THEREOF AND NUMBER FROM 1 TO 5, INCLUSIVE, SAID METAL BEING A POLYVALENT METAL HAVING A VALENCE OF FROM 2 TO 3, INCLUSIVE, AND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, COOPER, IRON, NICKEL, CHROMIUM, COBALT AND ZINC, AND SAID B-DICARBONYL COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF 2,4-PENTANEDIONE, DEHYFROCACETIC ACID, 3-METHYL-2,4-PENTANEDIONE AND 1-PHENYL-1,3-BUTANEDIONE AND BEING SUBSTANTIALLY FREE OF ACIDIC AND BASIC GROUPS; AND WHEREIN THE RATIO OF THE PHENOL TO SAID METAL CHELATE OF THE B-DICARBONYL COMPOUND IS FORM ABOUT 0.5 TO ABOUT 5. 90 A METHOD FOR PREPARING A PHENOL ADDUCT OF A METAL CHELATE OF A B-DICARBONYL COMPOUND, SAID PHENOL BEING SELECTED FROM THE GROUP CONSISTING OF PHENOL, ALKYLPHENOLS, PHENYLPHENOLS, AND HALOPHENOLS, SAID METAL BEING A POLYYVALENT METAL HAVING A VALENCE OF FROM 2 TO 3, INCLUSIVE, AND SAID B-DICARBONYL COMPOUND HAVING THE
References Cited (Backward Citations)
US2983743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |