US3047525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baking type resins from benzene tricarboxylic acids
Assignee: Standard Oil Co
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Filing: 1959-12-14
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Granted: 1962-07-31
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Broadhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:15
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C08G63/914; C08G63/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A COMPOSITION CONSISTING ESSENTIALLY OF (A) THE RESIN POLYESTER CONDENSATION REACTION PRODUCT OF (1) A BENZENE TRICARBOXYLIC ACIDIC MEMBER SELECTED FROM THE CLASS CONSISTING OF TRIMELLITIC ACID, TRIMELLITIC ANHYDRIDE, TRIMESIC ACID, HEMIMELLITIC ACID AND HEMIMELLITIC ANHYDRIDE, (2) AN ALKANDOIC ACID CONTAINING FROM 4 TO ABOUT 20 CARBON ATOMS, AND (3) A GLYCOL CONTAINING NOT MORE THAN 12 CARBON ATOMS, WHEREIN THE MOLE RATIO OF TRICARBOXYLIC ACIDIC MEMBER:ALKANDIOIC ACID: GLYCOL IS BETWEEN ABOUT 1:1:2 TO 10:1:25, SAID REACTION BEING CONTINUED UNTIL THE PRODUCT HAS AN ACID NUMBER BETWEEN ABOUT 20 AND ABOUT 100, WHICH RESIN IS CHARACTERIZED BY THE FORMATION OF A THERMOSET SOLID UPON AIRBAKING AT A TEMPERATURE ON THE ORDER OF 400*F., AND (B) ABOUT 0.5-10 WEIGHT PERCENT, BASED ON SAID RESIN A, OF AN AGENT WHICH LOWERS THE THERMOSETTING TEMPERATURE OF SAID RESIN A, WHICH AGENT IS A DIALDEHYDE SELECTED FROM THE CLASS CONSISTING OF ADIPALDEHYDE AND HYDROXYADIPALDEHYDE.
Claim 2
Dependent Claim
150 words
A COMPOSITION CONSISTING ESSENTIALLY OF (A) THE RESIN POLYESTER CONDENSATION REACTION PRODUCT OF (1) A BENZENE TRICARBOXYLIC ACIDIC MEMBER SELECTED FROM THE CLASS CONSISTING OF TRIMELLITIC ACID, TRIMELLITIC ANHYDRIDE, TRIMESIC ACID, HEMIMELLITIC ACID AND HEMIMELLITIC ANHYDRIDE, (2) AN ALKANDOIC ACID CONTAINING FROM 4 TO ABOUT 20 CARBON ATOMS, AND (3) A GLYCOL CONTAINING NOT MORE THAN 12 CARBON ATOMS, WHEREIN THE MOLE RATIO OF TRICARBOXYLIC ACIDIC MEMBER:ALKANDIOIC ACID: GLYCOL IS BETWEEN ABOUT 1:1:2 TO 10:1:25, SAID REACTION BEING CONTINUED UNTIL THE PRODUCT HAS AN ACID NUMBER BETWEEN ABOUT 20 AND ABOUT 100, WHICH RESIN IS CHARACTERIZED BY THE FORMATION OF A THERMOSET SOLID UPON AIRBAKING AT A TEMPERATURE ON THE ORDER OF 400*F., AND (B) ABOUT 0.5-10 WEIGHT PERCENT, BASED ON SAID RESIN A, OF AN AGENT WHICH LOWERS THE THERMOSETTING TEMPERATURE OF SAID RESIN A, WHICH AGENT IS A DIALDEHYDE SELECTED FROM THE CLASS CONSISTING OF ADIPALDEHYDE AND HYDROXYADIPALDEHYDE.
References Cited (Backward Citations)
US2561814A
Cited
US2562878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |