US3039979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New polyester resins and coating compositions containing same
Assignee: Interchemical Corp
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Filing: 1959-11-25
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Granted: 1962-06-19
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Expires: 1979-11-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Carlick
- 👤 Norman J Kennedy
- 👤 Howard T Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:58
CPC Classifications
C; C09; C09D; C09D167/00; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
AN ORGANIC SOLVENT SOLUBLE POLYESTER COMPRISING THE CONDENSATION PRODUCT OF (1) ISOPHTHALIC ACID, (2) A MONOBASIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC ALIPHATIC ACID HAVING A CHAIN LENGTH OF 8-12 CARBON ATOMS, BENEZOIC ACID AND P-TERITARY BUTYL BENZOIC ACID (3) A DIHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF NEOPENTYL GLYCOL AND 1,3 BUTYLENE GLYCOL AND (4) A POLYHYDRIC ALCOHOL CONTAINING AT LEAST 3 HYDROXYL GROUPS SELECTED FROM THE GROUP CONSISTING OF TRIMETHYLOL ETHANE, TRIMETHYLOL PROPANE, 1,2,6 HEXANE TRIOL AND PENTAERYTHRITOL, SAID POLYESTER HAVING A MAXIMUM ACID VALUE OF 42 AND THE PROPORTIONS OF SAID DIHYDRIC ALCOHOL AND SAID POLYHYDRIC ALCOHOL REACTED WITH EACH COMBINED EQUIVALENT OF ALL ACIDS BEING LIMITED TO PROPORTIONS PROVIDING REACTION MIXTURES WHICH WHEN PLOTTED ON THE GRAPH SHOWN IN FIGURE 1 FALL WITHIN THE AREA DEFINED BY THE TRIANGLE ON SAID GRAPH, THE ABSCISSA OF SAID GRAPH BEING THE NUMBER OF EQUIVALENTS OF SAID POLYHYDRIC ALCOHOL PRESENT FOR EACH COMBINED EQUIVALENT OF SAID ACIDS AND THE ORDINATE OF SAID GRAPH BEING THE PERCENTAGE OF EXCESS HYDROXYL GROUPS PRESENT, SAID PERCENTAGE BEING DETERMINED BY THE NUMBER OF COMBINED EQUIVALENTS OF SAID POLYHYDRIC AND DIHYDRIC ALCOHOLS PRESENT IN EXCESS OF ONE EQUIVALENT
Claim 2
Dependent Claim
197 words
AN ORGANIC SOLVENT SOLUBLE POLYESTER COMPRISING THE CONDENSATION PRODUCT OF (1) ISOPHTHALIC ACID, (2) A MONOBASIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC ALIPHATIC ACID HAVING A CHAIN LENGTH OF 8-12 CARBON ATOMS, BENEZOIC ACID AND P-TERITARY BUTYL BENZOIC ACID (3) A DIHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF NEOPENTYL GLYCOL AND 1,3 BUTYLENE GLYCOL AND (4) A POLYHYDRIC ALCOHOL CONTAINING AT LEAST 3 HYDROXYL GROUPS SELECTED FROM THE GROUP CONSISTING OF TRIMETHYLOL ETHANE, TRIMETHYLOL PROPANE, 1,2,6 HEXANE TRIOL AND PENTAERYTHRITOL, SAID POLYESTER HAVING A MAXIMUM ACID VALUE OF 42 AND THE PROPORTIONS OF SAID DIHYDRIC ALCOHOL AND SAID POLYHYDRIC ALCOHOL REACTED WITH EACH COMBINED EQUIVALENT OF ALL ACIDS BEING LIMITED TO PROPORTIONS PROVIDING REACTION MIXTURES WHICH WHEN PLOTTED ON THE GRAPH SHOWN IN FIGURE 1 FALL WITHIN THE AREA DEFINED BY THE TRIANGLE ON SAID GRAPH, THE ABSCISSA OF SAID GRAPH BEING THE NUMBER OF EQUIVALENTS OF SAID POLYHYDRIC ALCOHOL PRESENT FOR EACH COMBINED EQUIVALENT OF SAID ACIDS AND THE ORDINATE OF SAID GRAPH BEING THE PERCENTAGE OF EXCESS HYDROXYL GROUPS PRESENT, SAID PERCENTAGE BEING DETERMINED BY THE NUMBER OF COMBINED EQUIVALENTS OF SAID POLYHYDRIC AND DIHYDRIC ALCOHOLS PRESENT IN EXCESS OF ONE EQUIVALENT
References Cited (Backward Citations)
US2729609A
Cited
US2915487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |