US2970984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxyalkyl alkenylaryl ethers
Assignee: Beazer East Inc
•
Filing: 1957-11-19
•
Granted: 1961-02-07
•
Expires: 1977-11-19
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:34
CPC Classifications
C; C08; C08G; C08G59/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A COPOLYMER OF AN EXPOXYALKYL ALKENYLARYL ETHER OF THE FORMULA FIG -01 IN WHICH R IS CHOSEN FROM THE CLASS CONSISITING OF HYDROGEN AND METHYL, AR IS AN ARYLENE RADICAL, N IS AN INTEGER HAVING A VALUE OF AT LEAST ONE AND NO GREATER THAN 8, AND THE UNOCCUPIED VALENCES ARE SATISFIED BY SUBSTITUENETS OF THE CLASS CONSISTING OF HYDROGEN AND ALKYL GROUPS OF NO MORE THAN 7 CARBON ATOMS, THE NUMBER OF CARBON ATOMS IN THE EPOXYALKYL GROUP TOTALING NO MORE THAN 10 CARBON ATOMS AND AT LEAST ONE OTHER COPOLMERIZABLE ORIRANECONTAINING MONOMER PREPARED BY HEATING A MIXTURE OF THE MONOMERS DEFINED AFORESAID THE PRESENCE OF A CATALYSTIC AMOUNT OF A CATLYST SELECTED FROM THE GROUP CONSISTING OF STRONGLY ALKALINE HYDROXIDES AND WEAK ORGANIC ACIDS.
Claim 2
Dependent Claim
126 words
A COPOLYMER OF AN EXPOXYALKYL ALKENYLARYL ETHER OF THE FORMULA FIG -01 IN WHICH R IS CHOSEN FROM THE CLASS CONSISITING OF HYDROGEN AND METHYL, AR IS AN ARYLENE RADICAL, N IS AN INTEGER HAVING A VALUE OF AT LEAST ONE AND NO GREATER THAN 8, AND THE UNOCCUPIED VALENCES ARE SATISFIED BY SUBSTITUENETS OF THE CLASS CONSISTING OF HYDROGEN AND ALKYL GROUPS OF NO MORE THAN 7 CARBON ATOMS, THE NUMBER OF CARBON ATOMS IN THE EPOXYALKYL GROUP TOTALING NO MORE THAN 10 CARBON ATOMS AND AT LEAST ONE OTHER COPOLMERIZABLE ORIRANECONTAINING MONOMER PREPARED BY HEATING A MIXTURE OF THE MONOMERS DEFINED AFORESAID THE PRESENCE OF A CATALYSTIC AMOUNT OF A CATLYST SELECTED FROM THE GROUP CONSISTING OF STRONGLY ALKALINE HYDROXIDES AND WEAK ORGANIC ACIDS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |