Patent US2599119A successfully refreshed from Google Patents.
US2599119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylene/butene-1,4-dioic acid monoester copolymers
Assignee: EIDP Inc
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Filing: 1950-08-18
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Granted: 1952-06-03
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Expires: 1970-08-18
Abstract
No abstract record available.
Inventors
- 👤 David M Mcqueen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:27
CPC Classifications
C; C08; C08F; C08F222/00; C08F222/10; C08F222/12; C08F222/16; C08F222/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A COPOLYMER CONSISTING OF ETHYLENE WITH A DICARBOXYLIC ACID MONOESTER HAVING THE GENERAL FORMULA HOOC-CH=C(R)-COOR'' WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND MONOVALENT HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION CONTAINING UP TO 18 CARBON ATOMS AND R'' IS A MONOVALENT HYDROCARBON RADICAL FREE OF ALIPHATIC UNSATURATION CONTAINING UP TO 20 CARBON ATOMS, AND COPOLYMER CONTAINING FROM 7 TO 40 MOLES OF ETHYLENE PER MOLE OF SAID DICARBOXYLIC ACID MONOESTER.
Claim 2
Dependent Claim
73 words
A COPOLYMER CONSISTING OF ETHYLENE WITH A DICARBOXYLIC ACID MONOESTER HAVING THE GENERAL FORMULA HOOC-CH=C(R)-COOR'' WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND MONOVALENT HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION CONTAINING UP TO 18 CARBON ATOMS AND R'' IS A MONOVALENT HYDROCARBON RADICAL FREE OF ALIPHATIC UNSATURATION CONTAINING UP TO 20 CARBON ATOMS, AND COPOLYMER CONTAINING FROM 7 TO 40 MOLES OF ETHYLENE PER MOLE OF SAID DICARBOXYLIC ACID MONOESTER.
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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |