US2892811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1954-01-29
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Granted: 1959-06-30
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Expires: 1974-01-29
Abstract
No abstract record available.
Inventors
- 👤 Ernest P Irany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:53
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A COMPOSITION CAPABLE OF BEING TRANSFORMED WITH A HIGH DEGREE OF CERTAINTY OF REACTION RESULTS INTO A THERMOSET RESIN WHICH COMPRISES A DIAMINO DIMONMOCYCLICARYL METHANE, FURFURAL, AN AMMONIA DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE TETRAMINE, HYDRACETAMIDE, HYDROFURAMIDE AND HYDROBENZAMIDE, AND AN ACIDIC CATALYST, THE MOLAR RATIO OF FURFURAL TO AMINO NITROGEN IN THE DIAMINO COMPOUND BEING BETWEEN ABOUT 1 TO 1 AND 1.5 TO 1, THE AMOUNT OF SAID AMMONIA DERIVATIVE BEING BETWEEN ABOUT 2 TO 20% BY WEIGHT OF SAID FURFURAL, AND THE AMOUNT OF SAID CATALYST BEING BETWEEN ABOUT 0.5 TO 10% BY WEIGHT OF SAID DIAMINO COMPOUND
Claim 2
Dependent Claim
102 words
A COMPOSITION CAPABLE OF BEING TRANSFORMED WITH A HIGH DEGREE OF CERTAINTY OF REACTION RESULTS INTO A THERMOSET RESIN WHICH COMPRISES A DIAMINO DIMONMOCYCLICARYL METHANE, FURFURAL, AN AMMONIA DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE TETRAMINE, HYDRACETAMIDE, HYDROFURAMIDE AND HYDROBENZAMIDE, AND AN ACIDIC CATALYST, THE MOLAR RATIO OF FURFURAL TO AMINO NITROGEN IN THE DIAMINO COMPOUND BEING BETWEEN ABOUT 1 TO 1 AND 1.5 TO 1, THE AMOUNT OF SAID AMMONIA DERIVATIVE BEING BETWEEN ABOUT 2 TO 20% BY WEIGHT OF SAID FURFURAL, AND THE AMOUNT OF SAID CATALYST BEING BETWEEN ABOUT 0.5 TO 10% BY WEIGHT OF SAID DIAMINO COMPOUND
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) | 1962-06-29 | 1962-12-29 | 1963-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-29 | 1966-12-29 | 1967-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-29 | 1970-12-29 | 1971-06-30 | $7700.00 | Window Closed / Lapsed |