US3025255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous alkaline adhesive comprising phenol-formaldehyde condensate and polyethylene glycol
Assignee: Monsanto Chemical Co
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Filing: 1959-08-13
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Granted: 1962-03-13
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Expires: 1979-08-13
Abstract
No abstract record available.
Inventors
- 👤 Alan L Lambuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:39
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/38; C08G8/28; C08G8/36; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A LIQUID RESIN COMPOSITION ADAPTED FOR USE AS AN ADHESIVE BASE COMPRISING AN AQUEOUS ALKALINE RESIN WHICH RESULTS FROM CONDENSING 1 MOL OF PHENOL WITH 1.5-3.5 MOLS OF FORMALDEHYDE, IN THE PRESENCE OF 0.1-2.5 MOLS OF SODIUM HYDROXIDE AND FROM 0.10-10.0 WEIGHT PERCENT BASED ON THE WEIGHT OF SAID RESIN OF A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF FROM 4,00 TO 60,000.
Claim 2
Dependent Claim
63 words
A LIQUID RESIN COMPOSITION ADAPTED FOR USE AS AN ADHESIVE BASE COMPRISING AN AQUEOUS ALKALINE RESIN WHICH RESULTS FROM CONDENSING 1 MOL OF PHENOL WITH 1.5-3.5 MOLS OF FORMALDEHYDE, IN THE PRESENCE OF 0.1-2.5 MOLS OF SODIUM HYDROXIDE AND FROM 0.10-10.0 WEIGHT PERCENT BASED ON THE WEIGHT OF SAID RESIN OF A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF FROM 4,00 TO 60,000.
References Cited (Backward Citations)
US2360376A
Cited
US2620321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |