US2856374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil-modified alkyd resin
Assignee: Standard Oil Co
•
Filing: 1955-11-25
•
Granted: 1958-10-14
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:34
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN ALKYD RESIN COMPOSITION CONSISTING ESSENTIALLY OF (I) THE PRODUCT OF THE REACTION OF (A) A GLYCOL SELECTED FROM THE CLASS CONSISTING OF ETHYLENE GLYCOL, POLYETHYLENE GLYCOL, PROPYLENE GLYCOL AND POLYPROPYLENE GLYCOL AND (B) A MEMBER SELECTED FROM THE CLASS CONSISTING OF VEGTABLE OIL, MARINE OIL AND FATTY ACIDS HAVING AT LEAST 10 CARBON ATOMS, WHEREIN SAID GLYCOL IS CHARGED IN AN AMOUNT FROM ABOUT 5 TO ABOUT 20 MOL PERCENT IN EXCESS OF THE STIOCHIOMETRIC REQUIREMENT, AT A TEMPERATURE ON THE ORDER OF 180*C. TO 230*C., SAID REACTION BEING CONTINUED UNTIL THE PRODUCT HAS A METHANOL COMPATIBILITY OF ABOUT 1:5, REACTED WITH (II) AN ACIDIC MATERIAL SELECTED FROM THE CLASS CONSISTING OF TRIMEDIC ACID, TRIMELLITIC ACID, HEMIMELLITIC ACID, TRIMELLITIX ANHYDRIDE AND HEMIMELLITIC ANHYDROXIDE, WHEREIN SAID ACIDIC MATERIAL FORMS FROM ABOUT 10 TO ABOUT 50 WEIGHT PERCENT OF THE TOTAL REACTANTS, AT A TEMPERATURE ON THE ORDER OF 180*C. TO 280*C. FOR A TIME NEEDED TO PRODUCE A GIVEN ACID NUMBER AND VISCOSITY FINAL PRODUCT.
Claim 2
Dependent Claim
165 words
AN ALKYD RESIN COMPOSITION CONSISTING ESSENTIALLY OF (I) THE PRODUCT OF THE REACTION OF (A) A GLYCOL SELECTED FROM THE CLASS CONSISTING OF ETHYLENE GLYCOL, POLYETHYLENE GLYCOL, PROPYLENE GLYCOL AND POLYPROPYLENE GLYCOL AND (B) A MEMBER SELECTED FROM THE CLASS CONSISTING OF VEGTABLE OIL, MARINE OIL AND FATTY ACIDS HAVING AT LEAST 10 CARBON ATOMS, WHEREIN SAID GLYCOL IS CHARGED IN AN AMOUNT FROM ABOUT 5 TO ABOUT 20 MOL PERCENT IN EXCESS OF THE STIOCHIOMETRIC REQUIREMENT, AT A TEMPERATURE ON THE ORDER OF 180*C. TO 230*C., SAID REACTION BEING CONTINUED UNTIL THE PRODUCT HAS A METHANOL COMPATIBILITY OF ABOUT 1:5, REACTED WITH (II) AN ACIDIC MATERIAL SELECTED FROM THE CLASS CONSISTING OF TRIMEDIC ACID, TRIMELLITIC ACID, HEMIMELLITIC ACID, TRIMELLITIX ANHYDRIDE AND HEMIMELLITIC ANHYDROXIDE, WHEREIN SAID ACIDIC MATERIAL FORMS FROM ABOUT 10 TO ABOUT 50 WEIGHT PERCENT OF THE TOTAL REACTANTS, AT A TEMPERATURE ON THE ORDER OF 180*C. TO 280*C. FOR A TIME NEEDED TO PRODUCE A GIVEN ACID NUMBER AND VISCOSITY FINAL PRODUCT.
References Cited (Backward Citations)
US1864909A
Cited
US2206171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |