US2687405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allyl glycidyl ether/acrylate ester copolymers
Assignee: EIDP Inc
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Filing: 1950-02-16
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Granted: 1954-08-24
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Expires: 1970-02-16
Abstract
No abstract record available.
Inventors
- 👤 Rothrock Henry Shirley
- 👤 Wilkinson William Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:52
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COPOLYMER WHEREIN THE POLYMER CHAIN IS SOLELY CARBON, ESSENTIALLY CONSISTING OF 5% TO 95% OF COMBINED ALLYL GLYCIDYL ETHER WHEREIN EACH ETHER UNIT CONTAINS ITS OXIRANE RING UNCHANGED, AND 95% TO 5% OF A COMBINED ESTER OF AN ACID FROM THE GROUP CONSISTING OF ACRYLIC AND THE ALPHA-ALKYL-SUBSTITUTED ACRYLIC ACIDS AND ALCOHOL FROM THE GROUP CONSISTING OF THE MONOHYDRIC ALKANOLS AND CYCLOALKANOLS.
Claim 2
Dependent Claim
63 words
A COPOLYMER WHEREIN THE POLYMER CHAIN IS SOLELY CARBON, ESSENTIALLY CONSISTING OF 5% TO 95% OF COMBINED ALLYL GLYCIDYL ETHER WHEREIN EACH ETHER UNIT CONTAINS ITS OXIRANE RING UNCHANGED, AND 95% TO 5% OF A COMBINED ESTER OF AN ACID FROM THE GROUP CONSISTING OF ACRYLIC AND THE ALPHA-ALKYL-SUBSTITUTED ACRYLIC ACIDS AND ALCOHOL FROM THE GROUP CONSISTING OF THE MONOHYDRIC ALKANOLS AND CYCLOALKANOLS.
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) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |