Patent US2773850A successfully refreshed from Google Patents.
US2773850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fortified emulsion paints containing a zirconyl compound
Assignee: Sherwin Williams Co
•
Filing: 1952-12-20
•
Granted: 1956-12-11
•
Expires: 1972-12-20
Abstract
No abstract record available.
Inventors
- 👤 Victor M Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:46
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN AN OIL-IN-WATER EMULSION COATING COMPOSITION CHARACTERIZED BY A DISPERSED OIL PHASE CAPABLE OF DEPOSITIN STET FILMS, A CONTINUOS WATER PHASE AND A MINOR PROPORTION OF AT LEAST ONE SURFACE ACTIVE AGENT OF THE ANIONIC CLASS AND A PH GREATER THAN 7, THE IMPROVEMENT WHICH INCLUDES THE ADDTITION OF A QUANTITY OF A WATER SOLUBLE IONIZABLE, NON-PIGMENTARY, NON-REFRACTORY INORGANIC AMMONIUM SALT OF ZIRCONIUM EQUIVALENT TO NOT MORE THAN ABOUT TEN POUNDS OF ZRO2 PER 100 GALLONS OF THE EMULSION PAINT PRODUCT.
Claim 2
Dependent Claim
81 words
IN AN OIL-IN-WATER EMULSION COATING COMPOSITION CHARACTERIZED BY A DISPERSED OIL PHASE CAPABLE OF DEPOSITIN STET FILMS, A CONTINUOS WATER PHASE AND A MINOR PROPORTION OF AT LEAST ONE SURFACE ACTIVE AGENT OF THE ANIONIC CLASS AND A PH GREATER THAN 7, THE IMPROVEMENT WHICH INCLUDES THE ADDTITION OF A QUANTITY OF A WATER SOLUBLE IONIZABLE, NON-PIGMENTARY, NON-REFRACTORY INORGANIC AMMONIUM SALT OF ZIRCONIUM EQUIVALENT TO NOT MORE THAN ABOUT TEN POUNDS OF ZRO2 PER 100 GALLONS OF THE EMULSION PAINT PRODUCT.
References Cited (Backward Citations)
US2132997A
Cited
US2273872A
Cited
US2450534A
Cited
US2393874A
Cited
US2492959A
Cited
US2636829A
Cited
US2597872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |