US2659710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol alcohol-epichlorohydrin reaction products
Assignee: General Electric Co
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Filing: 1951-07-26
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Granted: 1953-11-17
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Expires: 1971-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:21
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/08; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07D303/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
THE PROCESS WHICH COMPRISES REACTING EPICHLOROHYDRIN WITH A MIXTURE OF INGREDIENTS CONTAINING AS ESSENTIAL MATERIALS THE THREE ALKALIMETAL METHYLOL PHENATES HAVING THE FORMULAE:
Claim 2
Dependent Claim
23 words
THE PROCESS WHICH COMPRISES REACTING EPICHLOROHYDRIN WITH A MIXTURE OF INGREDIENTS CONTAINING AS ESSENTIAL MATERIALS THE THREE ALKALIMETAL METHYLOL PHENATES HAVING THE FORMULAE:
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |