Patent US2833730A successfully refreshed from Google Patents.
US2833730A
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Arylene diisocyanate-fatty acid triglyceride-polyol cellular materials and process of producing same
Assignee: EIDP Inc
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Filing: 1953-09-30
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Granted: 1958-05-06
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Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Eric Barthel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:13
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/36; C08G2110/00; C08G2110/0008; C08G2110/0016; C08G2110/0041; C08G2110/005; C08G2110/0058; C08G2110/0083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A CELLULAR PLASTIC MATERIAL COMPRISING THE REACTION PRODUCT OF WATER WITH A POLYURETHANE PRODUCT FORMED BY THE REACTION BETWEEN (A) AN ARYLENE DIISOCYANATE, (B) A FATTY ACID TRIGLYCERIDE HAVING A HYDROXYL NUMBER OF AT LEAST 49 AND SELECTED FROM THE GROUP CONSISTING OF CASTOR OIL AND BLOWN DRYING OILS, AND (C) A POLYHYDROXY COMPOUND FROM THE CLASS CONSISTING OF SATURATED DIOLS AND TRIOLS AND HAVING A MOLECULAR WEIGHT BELOW ABOUT 200, THE REAGENTS BEING USED IN SUCH RELATIVE AMOUNTS THAT THE RATIO OF HYDROXYL GROUPS PRESENT IN THE LOW MOLECULAR WEIGHT POLYHYDROXY COMPOUND TO TRIGLYCERIDE HYDROXYL GROUPS IS FROM 0.6:1 TO 2.3:1, THE RATIO OF THE COMBINED TOTAL NUMBER OF HYDROXY GROUPS PRESENT IN THE TRIGLYCERIDE AND IN THE POLYHYDROXY COMPOUND TO THE NUMBER OF ISOCYANATE GROUPS PRESENT IN THE ARYLENE DIISOCYANATE IS FROM 0.65:2 TO 1.1:2, AND THE AMOUNT OF WATER USED IS FROM ABOUT 0.4 TO 1.7 MOLES PER MOLE OF ARYLENE DIISOCYANATE USED IN THE PREPARATION OF SAID POLYURETHANE PRODUCT.
Claim 2
Dependent Claim
163 words
A CELLULAR PLASTIC MATERIAL COMPRISING THE REACTION PRODUCT OF WATER WITH A POLYURETHANE PRODUCT FORMED BY THE REACTION BETWEEN (A) AN ARYLENE DIISOCYANATE, (B) A FATTY ACID TRIGLYCERIDE HAVING A HYDROXYL NUMBER OF AT LEAST 49 AND SELECTED FROM THE GROUP CONSISTING OF CASTOR OIL AND BLOWN DRYING OILS, AND (C) A POLYHYDROXY COMPOUND FROM THE CLASS CONSISTING OF SATURATED DIOLS AND TRIOLS AND HAVING A MOLECULAR WEIGHT BELOW ABOUT 200, THE REAGENTS BEING USED IN SUCH RELATIVE AMOUNTS THAT THE RATIO OF HYDROXYL GROUPS PRESENT IN THE LOW MOLECULAR WEIGHT POLYHYDROXY COMPOUND TO TRIGLYCERIDE HYDROXYL GROUPS IS FROM 0.6:1 TO 2.3:1, THE RATIO OF THE COMBINED TOTAL NUMBER OF HYDROXY GROUPS PRESENT IN THE TRIGLYCERIDE AND IN THE POLYHYDROXY COMPOUND TO THE NUMBER OF ISOCYANATE GROUPS PRESENT IN THE ARYLENE DIISOCYANATE IS FROM 0.65:2 TO 1.1:2, AND THE AMOUNT OF WATER USED IS FROM ABOUT 0.4 TO 1.7 MOLES PER MOLE OF ARYLENE DIISOCYANATE USED IN THE PREPARATION OF SAID POLYURETHANE PRODUCT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |