US3033865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solubilizing copper-8-quinolinolate
Assignee: AUGUSTUS S WITTNEBEL
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Filing: 1959-04-09
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Granted: 1962-05-08
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Expires: 1979-04-09
Abstract
No abstract record available.
Inventors
- 👤 George D Fronmuller
- 👤 Michael J Mirra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:50
CPC Classifications
C; C07; C07F; C07F1/00; C07F1/005
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
80 words
A METHOD OF SOLUBILIZING COPPER 8-QUINOLINOLATE WHICH COMPRISES SUSPENDING THE SAME IN A WATER SOLUBLE SOLVENT TAKEN FROM THE CLASS CONSISTING OF DI-LOWER ALKYL SULFOXIDE, DI-LOWER ALKYLENE GLYCOL MONO-LOWER ALKYL ETHER AND TRI-LOWER ALKYL PHOSPHATE, THE SOLVENT HAVING A BOILING POINT ABOVE THE TEMPERATURE OF THE REACTION, ADDING THERETO DIALKYL SULFATE THE ALKYL GROUP OF WHICH HAS 1-8 CARBON ATOMS, AND HEATING THE MIXTURE TO A TEMPERATURE OF ABOUT 50*-150*C. TO FORM ADERIVATIVE OF COPPER 8-QUINOLINLATE HAVING IMPROVED WATER SOLUBILITY.
Claim 2
Independent Claim
80 words
A METHOD OF SOLUBILIZING COPPER 8-QUINOLINOLATE WHICH COMPRISES SUSPENDING THE SAME IN A WATER SOLUBLE SOLVENT TAKEN FROM THE CLASS CONSISTING OF DI-LOWER ALKYL SULFOXIDE, DI-LOWER ALKYLENE GLYCOL MONO-LOWER ALKYL ETHER AND TRI-LOWER ALKYL PHOSPHATE, THE SOLVENT HAVING A BOILING POINT ABOVE THE TEMPERATURE OF THE REACTION, ADDING THERETO DIALKYL SULFATE THE ALKYL GROUP OF WHICH HAS 1-8 CARBON ATOMS, AND HEATING THE MIXTURE TO A TEMPERATURE OF ABOUT 50*-150*C. TO FORM ADERIVATIVE OF COPPER 8-QUINOLINLATE HAVING IMPROVED WATER SOLUBILITY.
Claim 3
Dependent Claim
19 words
A NEW COMPOSITIONS OF MATTER CONSISTING OF THE DERIVATIVE OF COPPER 8-QUINOLINOLATE PRODUCED BY THE METHOD OF CLAIM 1.
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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |