US3238158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resorcinol-formaldehyde cold-setting adhesives and process for preparing same
Assignee: Rayonier Inc
•
Filing: 1961-06-20
•
Granted: 1966-03-01
•
Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Conca Romeo John
- 👤 Franklin W Herrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:39
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C09J161/12; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A COLD-SETTING ADHESIVE COMPOSITION COMPRISING A RESORCINOL-FORMALDEHYDE RESIN, A PHENOLIC MATERIAL OF THE GROUP CONSISTING OF AN EXTRACT OF QUEBRACHO AND AN ALKALINE DIGESTION PRODUCT OF A CONIFEROUS BARK, SAID COMPOSITION BEING IN SOLUTION IN A MULTI-COMPONENT SOLVENT SYSTEM COMPRISING FROM 40 TO 70% OF AN AQUEOUS 0.5 TO 2.0% SOLUTION OF CARBOXYMETHYLCELLULOSE, FROM 20 TO 50% OF ETHYLENE GLYCOL AND UP TO 30% OF A COMPOUND OF THE GROUP CONSISTING OF ACETONE AND METHANOL, SAID PERCENTAGES BEING IN PARTS BY WEIGHT, SAID SOLUTION INCLUDING FROM 1 TO 6% BY WEIGHT BASED ON THE PHENOLIC MATERIAL OF A DICARBOXYLIC ACID OF THE GROUP CONSISTING OF MALEIC, OXALIC, SUCCINIC, PHTHALIC, TEREPHTHALIC, AND CITRIC ACIDS.
Claim 2
Dependent Claim
113 words
A COLD-SETTING ADHESIVE COMPOSITION COMPRISING A RESORCINOL-FORMALDEHYDE RESIN, A PHENOLIC MATERIAL OF THE GROUP CONSISTING OF AN EXTRACT OF QUEBRACHO AND AN ALKALINE DIGESTION PRODUCT OF A CONIFEROUS BARK, SAID COMPOSITION BEING IN SOLUTION IN A MULTI-COMPONENT SOLVENT SYSTEM COMPRISING FROM 40 TO 70% OF AN AQUEOUS 0.5 TO 2.0% SOLUTION OF CARBOXYMETHYLCELLULOSE, FROM 20 TO 50% OF ETHYLENE GLYCOL AND UP TO 30% OF A COMPOUND OF THE GROUP CONSISTING OF ACETONE AND METHANOL, SAID PERCENTAGES BEING IN PARTS BY WEIGHT, SAID SOLUTION INCLUDING FROM 1 TO 6% BY WEIGHT BASED ON THE PHENOLIC MATERIAL OF A DICARBOXYLIC ACID OF THE GROUP CONSISTING OF MALEIC, OXALIC, SUCCINIC, PHTHALIC, TEREPHTHALIC, AND CITRIC ACIDS.
References Cited (Backward Citations)
US1802390A
Cited
US2414415A
Cited
US2462253A
Cited
US2582228A
Cited
US2488495A
Cited
US2862897A
Cited
US3025250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |