US3342780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of a dibasic polycarboxylic acid and tris (2-hydroxyethyl) isocyanurate
Assignee: SI Group Inc
•
Filing: 1961-06-16
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Granted: 1967-09-19
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 John F Meyer
- 👤 Edmund J Zalewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/46; C08G18/4615; C08G18/4638; C08G18/4661; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C09; C09D; C09D167/00; H01B3/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A POLYMERIC ESTER OF A POLYCARBOXYLIC ACID OF THE GROUP-CONSISTING OF TEREPHTHALIC ACID AND ISOPHTHALIC ACID AND TRIS (2-HYDROXYETHYL) ISOCYANURATE.
Claim 2
Dependent Claim
20 words
A POLYMERIC ESTER OF A POLYCARBOXYLIC ACID OF THE GROUP-CONSISTING OF TEREPHTHALIC ACID AND ISOPHTHALIC ACID AND TRIS (2-HYDROXYETHYL) ISOCYANURATE.
References Cited (Backward Citations)
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US3235553A
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US3184438A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |