US3364159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing vicinal epoxy compounds and curing compositions therefor
Assignee: Argus Chemical Corp
•
Filing: 1965-09-27
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Granted: 1968-01-16
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Hecker
- 👤 Mark W Pollock
- 👤 Cohen Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:41
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A VICINAL EPOXY COMPOSITION FREE FROM VINYL HALIDE POLYMERS, CONSISTING ESSENTIALLY OF AN EPOXY COMPOUND HAVING AN EPOXY EQUIVALENCY GREATER THAN 1 AND A CURING COMPOSITIN CONSISTING ESSENTTIALLY OF AN EPOXY COMPOUND PHOSPHORUS-CONTAINING ORGANIC ESTER SLOW CURING AGENT SELECTED FROM THE GROUP CONSISTING OF ESTERS OF PHOSPHORUS ACID, ESTERS OF PHOSPHONIC ACID, ESTERS OF PHOSPHINIC ACID, AND ESTERS OF PHOSPHORIC ACID HAVING AT MOST ONE SCIDIC HYDROGEN ATOM, IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.5 TO ABOUT 1.5 EQUIVALENTS PER EPOXY UNIT IN THE EPOXY COMPOUND TO BE CURED, AND A ZINC SALT OF AN ORGANIC MONOCARBOXYLIC ACID HAVING FROM ABOUT FOUR TO ABOUT EIGHTEEN CARBON ATOMS AND NO NITROGEN ATOMS, IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.2 TO ABOUT 2% BASED ON THE PERCENTAGE OF ZINC BY WEIGHT OF THE EPOXY COMPOUND, SUFFICIENT TO ENHANCE THE ACTION OF THE SLOW CURING AGENT, SAID COMPOSITION BEING FREE FROM ALKALI METAL HALIDE.
Claim 2
Dependent Claim
155 words
A VICINAL EPOXY COMPOSITION FREE FROM VINYL HALIDE POLYMERS, CONSISTING ESSENTIALLY OF AN EPOXY COMPOUND HAVING AN EPOXY EQUIVALENCY GREATER THAN 1 AND A CURING COMPOSITIN CONSISTING ESSENTTIALLY OF AN EPOXY COMPOUND PHOSPHORUS-CONTAINING ORGANIC ESTER SLOW CURING AGENT SELECTED FROM THE GROUP CONSISTING OF ESTERS OF PHOSPHORUS ACID, ESTERS OF PHOSPHONIC ACID, ESTERS OF PHOSPHINIC ACID, AND ESTERS OF PHOSPHORIC ACID HAVING AT MOST ONE SCIDIC HYDROGEN ATOM, IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.5 TO ABOUT 1.5 EQUIVALENTS PER EPOXY UNIT IN THE EPOXY COMPOUND TO BE CURED, AND A ZINC SALT OF AN ORGANIC MONOCARBOXYLIC ACID HAVING FROM ABOUT FOUR TO ABOUT EIGHTEEN CARBON ATOMS AND NO NITROGEN ATOMS, IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 0.2 TO ABOUT 2% BASED ON THE PERCENTAGE OF ZINC BY WEIGHT OF THE EPOXY COMPOUND, SUFFICIENT TO ENHANCE THE ACTION OF THE SLOW CURING AGENT, SAID COMPOSITION BEING FREE FROM ALKALI METAL HALIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |