US2667466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water soluble phenol-formaldehyde-borax condensation product
Assignee: Wyeth Holdings LLC
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Filing: 1952-04-14
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Granted: 1954-01-26
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Expires: 1972-04-14
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Nagy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:02
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C14; C14C; C14C3/00; C14C3/02; C14C3/08; C14C3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A WATER-SOLUBLE POLYMERIZABLE CONDENSATION PRODUCT OBTAINED BY CONDENSING A PHENOL WITH FORMALDEHYDE IN RELATIVE MOLAR PROPORTIONS OF FROM ABOUT 1:1 TO ABOUT 1:2 AND WITH AT LEAST ABOUT 25% BY WEIGHT OF BORAX, BASED ON THE WEIGTH OF PHENOL UNDER ALKALINE CONDITIONS.
Claim 2
Dependent Claim
42 words
A WATER-SOLUBLE POLYMERIZABLE CONDENSATION PRODUCT OBTAINED BY CONDENSING A PHENOL WITH FORMALDEHYDE IN RELATIVE MOLAR PROPORTIONS OF FROM ABOUT 1:1 TO ABOUT 1:2 AND WITH AT LEAST ABOUT 25% BY WEIGHT OF BORAX, BASED ON THE WEIGTH OF PHENOL UNDER ALKALINE CONDITIONS.
References Cited (Backward Citations)
US2512708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |