Patent US2755280A successfully refreshed from Google Patents.
US2755280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solubilization of metallic-8-quinolinolates
Assignee: Novartis Corp
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Filing: 1952-02-29
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Granted: 1956-07-17
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Expires: 1972-02-29
Abstract
No abstract record available.
Inventors
- 👤 Feigin Robert
- 👤 Morris P Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:24
CPC Classifications
D; D06; D06M; D06M16/00; C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07D215/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
THE METHOD OF SOLUBILIZING A POLYVALENT METALLIC-8QUINOLINOLATE WHOSE METALLIC RADICAL IS FROM THE GROUP CONSISTING OF COPPER, NICKEL AND ZINC, CONSISTING OF HEATING IT WITH AN ACID ESTER OF AN ORGANIC POLYCARBOXYLIC ACID, THE EQUIVALENT WEIGHT OF WHICH ESTER COMES WITHIN THE RANGE OF 100 TO 750, THE POLYCARBOXYLIC ACID RADICAL BEING A MEMBER OF THE GROUP CONSISTING OF PARAFFIN DI-CARBOXYLIC ACIDS, HYDROXY-PARAFFIN DI-CARBOXYLIC ACIDS, OLEFINE DICARBOXYLIC ACIDS, PARAFFIN TRI-CARBOXYLIC ACIDS, HYDROXYPARAFFIN TRI-CARBOXYLIC ACIDS, OLEFINE TRI-CARBOXYLIC ACIDS AND PHENYL DI-CARBOXYLIC ACIDS, THE ALCOHOL RADICAL BEING A MEMBER OF THE GROUP CONSISTING OF THE ALIPHATIC HYDROCARBON ALCOHOLS AND THEIR PHENYL ETHER SUBSTITUTED DERIVATIVE, LOWER ALKYLENE GLYCOL ETHERS, ALKYL SUBSTITUTED CYCLOHEXANOL, PHENYL ALKYLOLS, HYDROABIETYL ALCOHOL, PHENOXY ALKYLOLS, AND HYDROCARBON SUBSTITUTED ALKYLOLS, UNDER THOROUGH AGITATION UNTIL A CONCENTRATED SOLUTION IS FORMED, WHICH IS SOLUBLE UPON DILUTION IN A VOLATILE LIQUID ORGANIC SOLVENT INCLUDING AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF STODDARD SOLVENT, MINERAL SPIRITS, PINE OIL, XYLOL, TURPENTINE, CARBON TETRACHLORIDE AND ETHYL ACETATE.
Claim 2
Independent Claim
162 words
THE METHOD OF SOLUBILIZING A POLYVALENT METALLIC-8QUINOLINOLATE WHOSE METALLIC RADICAL IS FROM THE GROUP CONSISTING OF COPPER, NICKEL AND ZINC, CONSISTING OF HEATING IT WITH AN ACID ESTER OF AN ORGANIC POLYCARBOXYLIC ACID, THE EQUIVALENT WEIGHT OF WHICH ESTER COMES WITHIN THE RANGE OF 100 TO 750, THE POLYCARBOXYLIC ACID RADICAL BEING A MEMBER OF THE GROUP CONSISTING OF PARAFFIN DI-CARBOXYLIC ACIDS, HYDROXY-PARAFFIN DI-CARBOXYLIC ACIDS, OLEFINE DICARBOXYLIC ACIDS, PARAFFIN TRI-CARBOXYLIC ACIDS, HYDROXYPARAFFIN TRI-CARBOXYLIC ACIDS, OLEFINE TRI-CARBOXYLIC ACIDS AND PHENYL DI-CARBOXYLIC ACIDS, THE ALCOHOL RADICAL BEING A MEMBER OF THE GROUP CONSISTING OF THE ALIPHATIC HYDROCARBON ALCOHOLS AND THEIR PHENYL ETHER SUBSTITUTED DERIVATIVE, LOWER ALKYLENE GLYCOL ETHERS, ALKYL SUBSTITUTED CYCLOHEXANOL, PHENYL ALKYLOLS, HYDROABIETYL ALCOHOL, PHENOXY ALKYLOLS, AND HYDROCARBON SUBSTITUTED ALKYLOLS, UNDER THOROUGH AGITATION UNTIL A CONCENTRATED SOLUTION IS FORMED, WHICH IS SOLUBLE UPON DILUTION IN A VOLATILE LIQUID ORGANIC SOLVENT INCLUDING AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF STODDARD SOLVENT, MINERAL SPIRITS, PINE OIL, XYLOL, TURPENTINE, CARBON TETRACHLORIDE AND ETHYL ACETATE.
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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |