US2819235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl-compatible resins based on 2, 4-dimethyl-4-hydroxyethoxymethyl-1, 5-pentanediol
Assignee: Union Carbide Corp
•
Filing: 1953-09-01
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Granted: 1958-01-07
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Expires: 1973-09-01
Abstract
No abstract record available.
Inventors
- 👤 Carl K Fink
- 👤 Kenneth L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:40
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/02; C08G63/12; C08G63/46; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L67/00; C08L67/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A RESINOUS POLYESTER OF 2,4-DIMETHYL-4-HYDROXYETHOXYMETHYL-1,5-PENTANEDIOL WITH AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE MONOCARBOXYLIC ACID CONTAINING AT LEAST EIGHT CARBON ATOMS, THE MOLAR RATIO OF SAID DICARBOXYLIC ACID TO SAID MONOCARBOXYLIC ACID IN THE RESINOUS POLYESTER BEING BETWEEN 5.1 TO 1 AND 0.8 TO 1.
Claim 2
Dependent Claim
47 words
A RESINOUS POLYESTER OF 2,4-DIMETHYL-4-HYDROXYETHOXYMETHYL-1,5-PENTANEDIOL WITH AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE MONOCARBOXYLIC ACID CONTAINING AT LEAST EIGHT CARBON ATOMS, THE MOLAR RATIO OF SAID DICARBOXYLIC ACID TO SAID MONOCARBOXYLIC ACID IN THE RESINOUS POLYESTER BEING BETWEEN 5.1 TO 1 AND 0.8 TO 1.
References Cited (Backward Citations)
US2600275A
Cited
US2671063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |