US3291856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous condensation product of an ethoxyline resin and a polyalkylol phenol
Assignee: Interchemical Corp
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Filing: 1962-03-07
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Granted: 1966-12-13
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Tringali
- 👤 Norman G Gaylord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:34
CPC Classifications
C; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
AN ORGANIC SOLVENT SOLUBLE THERMOSETTING RESIN CONSISTING OF THE ACID CATALYZED CONDENSATION PRODUCTS OF AN ETHOXYLINE RESIN HAVING AN AVERAGE MOLECULAR WEIGHT OF 1300 TO 4000 AND AN EPOXIDE EQUIVALENT OF 870 TO 4000 AND THE GENERAL FORMULA
Claim 2
Dependent Claim
38 words
AN ORGANIC SOLVENT SOLUBLE THERMOSETTING RESIN CONSISTING OF THE ACID CATALYZED CONDENSATION PRODUCTS OF AN ETHOXYLINE RESIN HAVING AN AVERAGE MOLECULAR WEIGHT OF 1300 TO 4000 AND AN EPOXIDE EQUIVALENT OF 870 TO 4000 AND THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |