US2529261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tile and binder for the same
Assignee: Armstrong World Industries Inc
•
Filing: 1949-12-14
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Granted: 1950-11-07
•
Expires: 1969-12-14
Abstract
No abstract record available.
Inventors
- 👤 Paul O Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:57
CPC Classifications
C; C08; C08L; C08L101/00; C08K; C08K5/00; C08K5/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
A TILE BINDER CONTAINING 50% TO 80% TO POLYSTYRENE RESIN HAVING A MOLECULAR WEIGHT ABOVE 1000 AS DETERMINED BY THE STAUDINGER METHOD AND 50% TO 20% OF PLASTICIZER CONSISTING PRINCIPALLY OF MINERAL OIL WHICH IS NON-VIOLATILE AT ORDINARY ROOM TEMPERATURES, SAID RESIN AND PLASTICIZER HAVING A LIMITED INCOMPATIBILITY WITH EACH OTHER SUCH AS TO PRODUCE A CLOUD-LIKE SEPARATION, OR RESIN AND PLASTICIZER IN THE BINDER AT A TEMPERATURE BETWEEN 20* C. AND 70* C., SAID BINDER HAVING A CLOUD-LIKE SEPARATION OF RESIN AND PLASTICIZER RESULTING FROM THE LIMITED INCOMPATIBILITY OF RESIN AND PLASTICIZER CHARACTERIZED BY A CLOUD POINT BETWEEN 20* C. AND 70* C. WHEN THE CLOUD POINT IS DETERMINED BY HEATING THE BINDER UNTIL THE RESIN AND PLASTICIZER ARE IN SOLTUION AND NOTING THE TEMPERATURE AT WHICH THE BINDER BECOMES OPAQUE ON COOLING.
References Cited (Backward Citations)
US2204772A
Cited
US2217988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |