US2806006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol-formaldehyde resin and its method of preparation
Assignee: Individual
•
Filing: 1951-08-01
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Granted: 1957-09-10
•
Expires: 1971-08-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Proctor
- 👤 Henry L Katz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:34
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08J9/04; C08J9/06; C08J9/08; C08J2361/00; C08J2361/04; C08J2361/06; C08J2475/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
170 words
THE METHOD OF PREPARING A CELLULAR PHENOL-FORMALDEHYDE RESIN WHICH COMPRISES ALLOWING TO EXPAND AND TO REACT TO COMPLETION IN EXPANDED STATE A FOAM-FORMING, HEATGENERATING, ACIDIFIED, FLOWABLE COMPOSITION INCLUDING (1) AN AQUEOUS MASS OF ACID-CURING, THERMOSETTING, ALKALINECATALYZED, LIQUID PRODUCT OF PARTICAL REACTION OF A PHENOL AND FORMALDEHYDE, SAID AQUEOUS MASS CONTAINING ABOUT 78 TO ABOUT 85 PERCENT BY WEIGHT OF PHENOL-FORMALDEHYDE RESIN SOLIDS AND HAVING BEEN TREATED TO RENDER IT NON-ALKALINE, (2) A RESIN HAVING ABOUT 10 PARTS BY WEIGHT META TOLYLENE DIISOCYANATE, AND ABOUT 5 PARTS BY WEIGHT OF PENTAERYTHRITOL MONO-OLEATE, AND ABOUT 3 PARTS BY WEIGHT OF PENTAERYTHRITOL DIPROPINAL, SAID RESIN BEING PRESENT IN AN AMOUNT CORRESPONDING TO FROM ABOUT .5 TO 10.0 PERCENT BY WEIGHT OF SAID AQUEOUS MASS, (3) SODIUM BICARBONATE IN AN AMOUNT CORRESPONDING TO FROM 0.3 TO 1.5 PERCENT BY WEIGHT OF SAID AQUEOUS MASS OF (1), AND (4) AN AQUEOUS SOLUTION COMPRISING PHENOL-SULFONIC ACID, THE AMOUNT THEREOF BEING SLIGHTLY IN EXCESS OF THE MOLECULAR EQUIVALENT-REQUIRED FOR COMPLETE REACTION WITH THE SODIUM BICARBONATE OF (3).
Claim 2
Independent Claim
170 words
THE METHOD OF PREPARING A CELLULAR PHENOL-FORMALDEHYDE RESIN WHICH COMPRISES ALLOWING TO EXPAND AND TO REACT TO COMPLETION IN EXPANDED STATE A FOAM-FORMING, HEATGENERATING, ACIDIFIED, FLOWABLE COMPOSITION INCLUDING (1) AN AQUEOUS MASS OF ACID-CURING, THERMOSETTING, ALKALINECATALYZED, LIQUID PRODUCT OF PARTICAL REACTION OF A PHENOL AND FORMALDEHYDE, SAID AQUEOUS MASS CONTAINING ABOUT 78 TO ABOUT 85 PERCENT BY WEIGHT OF PHENOL-FORMALDEHYDE RESIN SOLIDS AND HAVING BEEN TREATED TO RENDER IT NON-ALKALINE, (2) A RESIN HAVING ABOUT 10 PARTS BY WEIGHT META TOLYLENE DIISOCYANATE, AND ABOUT 5 PARTS BY WEIGHT OF PENTAERYTHRITOL MONO-OLEATE, AND ABOUT 3 PARTS BY WEIGHT OF PENTAERYTHRITOL DIPROPINAL, SAID RESIN BEING PRESENT IN AN AMOUNT CORRESPONDING TO FROM ABOUT .5 TO 10.0 PERCENT BY WEIGHT OF SAID AQUEOUS MASS, (3) SODIUM BICARBONATE IN AN AMOUNT CORRESPONDING TO FROM 0.3 TO 1.5 PERCENT BY WEIGHT OF SAID AQUEOUS MASS OF (1), AND (4) AN AQUEOUS SOLUTION COMPRISING PHENOL-SULFONIC ACID, THE AMOUNT THEREOF BEING SLIGHTLY IN EXCESS OF THE MOLECULAR EQUIVALENT-REQUIRED FOR COMPLETE REACTION WITH THE SODIUM BICARBONATE OF (3).
Claim 3
Dependent Claim
167 words
A PRODUCT COMPRISING A CELLULAR PHENOLIC RESIN OBTAINED BY THE EXPANSION OF A FOAM-FORMING, HEAT-GENERATING, FLOWABLE COMPOSITION INCLUDING (1) AN AQUEOUS MASS OF ACID-CURING, THERMOSETTING, BARIUM HYDROXIDECATALYZED, LIQUID PRODUCT OF PARTIAL REACTION OF INGREDIENTS COMPRISING PHENOL AND FORMALDEHYDE, SAID AQUEOUS MASS CONTAINING ABOUT 75 TO ABOUT 85 PERCENT OF PHENOLFORMALDEHYDE RESIN SOLIDS AND HAVING BEEN TREATED TO RENDER IT NON-ALKALINE, (2) A RESIN HAVING ABOUT 10 PARTS BY WEIGHT META TOLYLENE DIISOCYANTE, AND ABOUT 5 PARTS BY WEIGHT OF PENTAERYTHRITOL MONO-OLEATE, AND ABOUT 3 PARTS BY WEIGHT OF PENTAERYTHRITOL DIPROPIONAL, SAID RESIN BEING PRESENT IN AN AMOUNT CORRESPONDING TO FORM ABOUT .5 TO 10.0 PERCENT BY WEIGHT OF SAID AQUEOUS MASS, (3) A WATER-SOLUBLE SALT OF CARBONIC ACID IN AN AMOUNT CORRESPONDING TO FROM 0.3 TO 1.5 PERCENT BY WEIGHT OF SAID AQUEOUS MASS OF (1), AND (4) AN AQUEOUS SOLUTION COMPRISING A WATER-SOLUBLE SULFONIC ACID, THE AMOUNT THEREOF BEING SLIGHTLY IN EXCESS OF THE MOLECULAR EQUIVALENT REQUIRED FOR COMPLETE REACTION WITH THE WATER-SOLUBLE SALT OF (3).
Claim 4
Dependent Claim
167 words
A PRODUCT COMPRISING A CELLULAR PHENOLIC RESIN OBTAINED BY THE EXPANSION OF A FOAM-FORMING, HEAT-GENERATING, FLOWABLE COMPOSITION INCLUDING (1) AN AQUEOUS MASS OF ACID-CURING, THERMOSETTING, BARIUM HYDROXIDECATALYZED, LIQUID PRODUCT OF PARTIAL REACTION OF INGREDIENTS COMPRISING PHENOL AND FORMALDEHYDE, SAID AQUEOUS MASS CONTAINING ABOUT 75 TO ABOUT 85 PERCENT OF PHENOLFORMALDEHYDE RESIN SOLIDS AND HAVING BEEN TREATED TO RENDER IT NON-ALKALINE, (2) A RESIN HAVING ABOUT 10 PARTS BY WEIGHT META TOLYLENE DIISOCYANTE, AND ABOUT 5 PARTS BY WEIGHT OF PENTAERYTHRITOL MONO-OLEATE, AND ABOUT 3 PARTS BY WEIGHT OF PENTAERYTHRITOL DIPROPIONAL, SAID RESIN BEING PRESENT IN AN AMOUNT CORRESPONDING TO FORM ABOUT .5 TO 10.0 PERCENT BY WEIGHT OF SAID AQUEOUS MASS, (3) A WATER-SOLUBLE SALT OF CARBONIC ACID IN AN AMOUNT CORRESPONDING TO FROM 0.3 TO 1.5 PERCENT BY WEIGHT OF SAID AQUEOUS MASS OF (1), AND (4) AN AQUEOUS SOLUTION COMPRISING A WATER-SOLUBLE SULFONIC ACID, THE AMOUNT THEREOF BEING SLIGHTLY IN EXCESS OF THE MOLECULAR EQUIVALENT REQUIRED FOR COMPLETE REACTION WITH THE WATER-SOLUBLE SALT OF (3).
References Cited (Backward Citations)
US2446429A
Cited
US2577281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |