US2675336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic resin
Assignee: Monsanto Chemicals Ltd
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Filing: 1952-03-20
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Granted: 1954-04-13
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Expires: 1972-03-20
Abstract
No abstract record available.
Inventors
- 👤 John T Stephan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:50
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G16/00; C08G16/02; C08G16/0293; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/3196
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A WATER SOLUBLE PHENOLIC RESIN COMPRISING THE REACTION PRODUCT OF PHENOLIC MATERIAL CONTAINING A PHENOL HAVING A DISTILLATION RANGE BETWEEN 180 AND 220* C. AND NOT CONTAINING MORE THAN ABOUT 15% OF AT LEAST ONE PHENOL SELECTED FROM THE GROUP CONSISTING OF ORTHO CRESOL, XYLENOL AND MIXTURES THEREOF AND AN ALKALINE REDWOOD BARK EXTRACT POWDER, AND AQUEOUS FORMALDEHYDE IN THE PRESENCE OF AN ALKALI METAL HYDROXIDE.
Claim 2
Dependent Claim
66 words
A WATER SOLUBLE PHENOLIC RESIN COMPRISING THE REACTION PRODUCT OF PHENOLIC MATERIAL CONTAINING A PHENOL HAVING A DISTILLATION RANGE BETWEEN 180 AND 220* C. AND NOT CONTAINING MORE THAN ABOUT 15% OF AT LEAST ONE PHENOL SELECTED FROM THE GROUP CONSISTING OF ORTHO CRESOL, XYLENOL AND MIXTURES THEREOF AND AN ALKALINE REDWOOD BARK EXTRACT POWDER, AND AQUEOUS FORMALDEHYDE IN THE PRESENCE OF AN ALKALI METAL HYDROXIDE.
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) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |