US3129192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyd resins from complex acids
Assignee: Pure Oil Co
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Filing: 1960-09-12
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Granted: 1964-04-14
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Walter E Kramer
- 👤 Louis A Joo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/123; C08G63/127; C08G63/13; C08G63/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
THE ALKYD RESIN REACTION PRODUCT UNDER ESTERIFICATION CONDITIONS OF (1) A CARBOXYLIC ACID PREPARED FROM SOLVENT EXTRACTS OBTAINED IN THE SOLVENT REFINING OF MINERAL LUBRICATING OILS USED A SOLVENT SELECTIVE FOR AROMATIC COMPOUNDS, BY REACTION OF SAID SOLVENT EXTRACTS WITH AN ALKALI METAL TO FORM THE ALKALI METAL ADDUCT, CARBONATION OF SAID ADDUCT TO FORM THE CORRESPONDING ALKALI METAL SALT OF A CARBOXYLIC ACID AND ACIDIFICATION OF SAID SALT TO FORM THE FREE ACID, SAID CARBOXYLIC ACID BEING THUS CHARACTERIZED BY HAVING COMPLEX, POLYNUCLEAR, AROMATIC, ALKYL-AROMATIC AND HETEROCYCLIC NUCLEI PREDOMINATING IN CARBON AND HYDROGEN, CONTAINING ABOUT 2.0 TO 4.5% BY WEIGHT OF COMBINED SULFUR AND ALSO CONTAINING OXYGEN AND NITROGEN, HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 320 TO 600, AND HAVING ABOUT 1.7 TO 3.5 AVERAGE NUMBER TO AROMATIC RINGS PER MEAN AROMATIC MOLECULE, AND (2) A POLYOL HAVING FROM 3 TO 20 CARBON ATOMS TO THE MOLECULE AND 3 TO 7 HYDROXYL GROUPS TO THE MOLECULE.
Claim 2
Dependent Claim
158 words
THE ALKYD RESIN REACTION PRODUCT UNDER ESTERIFICATION CONDITIONS OF (1) A CARBOXYLIC ACID PREPARED FROM SOLVENT EXTRACTS OBTAINED IN THE SOLVENT REFINING OF MINERAL LUBRICATING OILS USED A SOLVENT SELECTIVE FOR AROMATIC COMPOUNDS, BY REACTION OF SAID SOLVENT EXTRACTS WITH AN ALKALI METAL TO FORM THE ALKALI METAL ADDUCT, CARBONATION OF SAID ADDUCT TO FORM THE CORRESPONDING ALKALI METAL SALT OF A CARBOXYLIC ACID AND ACIDIFICATION OF SAID SALT TO FORM THE FREE ACID, SAID CARBOXYLIC ACID BEING THUS CHARACTERIZED BY HAVING COMPLEX, POLYNUCLEAR, AROMATIC, ALKYL-AROMATIC AND HETEROCYCLIC NUCLEI PREDOMINATING IN CARBON AND HYDROGEN, CONTAINING ABOUT 2.0 TO 4.5% BY WEIGHT OF COMBINED SULFUR AND ALSO CONTAINING OXYGEN AND NITROGEN, HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 320 TO 600, AND HAVING ABOUT 1.7 TO 3.5 AVERAGE NUMBER TO AROMATIC RINGS PER MEAN AROMATIC MOLECULE, AND (2) A POLYOL HAVING FROM 3 TO 20 CARBON ATOMS TO THE MOLECULE AND 3 TO 7 HYDROXYL GROUPS TO THE MOLECULE.
References Cited (Backward Citations)
US2970164A
Cited
US2971932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |