US2613167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl cellulose-modified phenolic adhesive and plywood product
Assignee: United States Plywood Corp
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Filing: 1949-03-28
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Granted: 1952-10-07
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Expires: 1969-03-28
Abstract
No abstract record available.
Inventors
- 👤 Charles N Cone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:30
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/26; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/3196
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE PROCESS OF MAKING AN ADHESIVE COMPOSITION WHICH COMPRISES FORMING A MIXTURE OF AN AQUEOUS ALKALINE SOLUTION OF A THERMOSETTING, RESINOUS CONDENSATION PRODUCT OF A PHENOL AND AN ALDEHYDE AND AN AQUEOUS DISPERSION OF AN ALKALI DISPERSIBLE CELLULOSE ETHER, THE SAID DISPERSION CONTAINING FROM ABOUT 0.5% TO ABOUT 4.0% BY WEIGHT CELLULOSE ETHER, THE MIXTURE CONTAINING FROM ABOUT 0.1 PART TO ABOUT 10.0 PARTS BY WEIGHT CELLULOSE ETHER (SOLIDS BASIS) FOR EACH 200 PARTS BY WEIGHT PHENOL ALDEHYDE RESIN (SOLIDS BASIS)
Claim 2
Dependent Claim
88 words
THE POLYWOOD PRODUCT THE PLIES OF WHICH HAVE BEEN GLUED TOGETHER WITH AN ADHESIVE COMPOSITION COMPRISING A MIXTURE OF AN AQUEOUS ALKALINE SOLUTION OF A THERMOSETTING, RESINOUS CONDENSATION PRODUCT OF A PHENOL AND AN ALDEHYDE, AND AN AQUEOUS DISPERSION OF AN ALKALI DISPERSIBLE CELLULOSE ETHER, THE SAID DISPERSION CONTAINING FROM ABOUT 0.5% TO ABOUT 4.0% BY WEIGHT CELLULOSE ETHER, AND THE SAID MIXTURE CONTAINING FROM ABOUT 0.1 PART TO ABOUT 10.0 PARTS BY WEIGHT CELLULOSE ETHER (SOLIDS BASIS) FOR EACH 200 PARTS BY WEIGHT PHENOL-ALDEHYDE RESIN (SOLIDS BASIS).
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |