US2592659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium-cellulose ether modified phenolic adhesives
Assignee: United States Plywood Corp
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Filing: 1949-04-25
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Granted: 1952-04-15
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Expires: 1969-04-25
Abstract
No abstract record available.
Inventors
- 👤 Charles N Cone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:13
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/26; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ADHESIVE COMPOSITION COMPRISING A THERMOSETING PHENOL FORMALDEHYDE RESINUOUS CONDENSATION PRODUCT, A CHROMIUM COMPOUND SOLUBLE IN AQUEOUS ALKALINE MEDIA, AND AN ALKALI DISPERSIBLE CELLULOSE ETHER, THE CONSTITUENTS BEING EMPLOYED IN THE RELATIVE PROPORTIONS OF BETWEEN ABOUT 0.1 AND ABOUT 5.0 PARTS CHROMIUM COMPOUND, EXPRESSED AS CHROMIUM, AND BETWEEN ABOUT 0.1 AND ABOUT 10.0 PARTS CELLULOSE ETHER FOR EACH 200 PARTS PHENOL FORMALDEHYDE RESINOUS CONDENSATION PRODUCT, PARTS BEING EXPRESSED AS PARTS BY WEIGHT ON A SOLIDS BASIS.
Claim 2
Dependent Claim
76 words
AN ADHESIVE COMPOSITION COMPRISING A THERMOSETING PHENOL FORMALDEHYDE RESINUOUS CONDENSATION PRODUCT, A CHROMIUM COMPOUND SOLUBLE IN AQUEOUS ALKALINE MEDIA, AND AN ALKALI DISPERSIBLE CELLULOSE ETHER, THE CONSTITUENTS BEING EMPLOYED IN THE RELATIVE PROPORTIONS OF BETWEEN ABOUT 0.1 AND ABOUT 5.0 PARTS CHROMIUM COMPOUND, EXPRESSED AS CHROMIUM, AND BETWEEN ABOUT 0.1 AND ABOUT 10.0 PARTS CELLULOSE ETHER FOR EACH 200 PARTS PHENOL FORMALDEHYDE RESINOUS CONDENSATION PRODUCT, PARTS BEING EXPRESSED AS PARTS BY WEIGHT ON A SOLIDS BASIS.
References Cited (Backward Citations)
US2462253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |