US2934520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin compositions
Assignee: ARIES LAB Inc
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Filing: 1954-10-04
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Granted: 1960-04-26
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Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Mayurnik George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:01
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE HEAT CONDENSATION PRODUCT OF A RESINOUS GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL WHICH ETHER IS FREE FROM FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXY GROUPS, AND AN AMOUNT SUFFICIENT TO REACT WITH ALL THE EPOXY GROUPS PRESENT OF A MIXTURE OF TWO DICARBOXYLIC ANHYDRIDES SELECTED FROM THE GROUP OF MIXTURES CONSISTING OF MONOMERIC ADIPIC AND SUCCINIC, MONOMERIC ADIPIC AND PHTHALIC, MONOMERIC ADIPIC AND SEBACIC, POLYMERIC ADIPIC AND MONOMERIC PHTHALIC POLYMERIC SEBACIC AND MONOMERIC PHTHALIC, AND POLYMERIC ADIPIC AND MONOMERIC SEBACIC ANHYDRIDES, THE MOLAR PROPORTION OF THE DICARBOXYLIC ANHYDRIDES IN SAID MIXTURE RANGING FROM ABOUT 1:1 TO 1:2.
Claim 2
Dependent Claim
98 words
THE HEAT CONDENSATION PRODUCT OF A RESINOUS GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL WHICH ETHER IS FREE FROM FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXY GROUPS, AND AN AMOUNT SUFFICIENT TO REACT WITH ALL THE EPOXY GROUPS PRESENT OF A MIXTURE OF TWO DICARBOXYLIC ANHYDRIDES SELECTED FROM THE GROUP OF MIXTURES CONSISTING OF MONOMERIC ADIPIC AND SUCCINIC, MONOMERIC ADIPIC AND PHTHALIC, MONOMERIC ADIPIC AND SEBACIC, POLYMERIC ADIPIC AND MONOMERIC PHTHALIC POLYMERIC SEBACIC AND MONOMERIC PHTHALIC, AND POLYMERIC ADIPIC AND MONOMERIC SEBACIC ANHYDRIDES, THE MOLAR PROPORTION OF THE DICARBOXYLIC ANHYDRIDES IN SAID MIXTURE RANGING FROM ABOUT 1:1 TO 1:2.
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |