US2571928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous compositions comprising a styrene isoolefin copolymer and a vinyl polymer
Assignee: Standard Oil Development Co
•
Filing: 1947-11-04
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Granted: 1951-10-16
•
Expires: 1967-11-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Newberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:45
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L9/00; C08L9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A COMPOSITION OF MATTER COMPRISING A HOMOGENEOUS DISPERSION OF A COPOLYMER OF STYRENE AND AN ISOOLEFIN OF 4 TO 8 CARBON ATOMS, A SOLID VINYL POLYMER AND A NON-VOLATILE SOLVENT FOR THE VINYL POLYMER.
Claim 2
Dependent Claim
34 words
A COMPOSITION OF MATTER COMPRISING A HOMOGENEOUS DISPERSION OF A COPOLYMER OF STYRENE AND AN ISOOLEFIN OF 4 TO 8 CARBON ATOMS, A SOLID VINYL POLYMER AND A NON-VOLATILE SOLVENT FOR THE VINYL POLYMER.
References Cited (Backward Citations)
US2213423A
Cited
US2468534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |