US2758102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous vehicles for forming water resistant films
Assignee: Sherwin Williams Co
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Filing: 1954-12-10
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Granted: 1956-08-07
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Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Oliver J Grummitt
- 👤 Albert A Arters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:38
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J2333/00; C08J2333/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A HOMOGENEOUS AQUEOUS SOLUTION COMPRISING: (A) POLYACRYLIC ACID, AND (B) AMMONIUM IONS, ZIRCONYL IONS AND IONS SELECTED FROM THE GROUP CONSISTING OF CARBONATE IONS, LACTATE IONS, GLYCOLATE IONS AN MANDELATE IONS, SAID AQUEOUS SOLUTION HAVING A PH WITHIN THE RANGE OF FROM IN EXCESS OF 7.5 AND LESS THAN 9.
Claim 2
Dependent Claim
50 words
A HOMOGENEOUS AQUEOUS SOLUTION COMPRISING: (A) POLYACRYLIC ACID, AND (B) AMMONIUM IONS, ZIRCONYL IONS AND IONS SELECTED FROM THE GROUP CONSISTING OF CARBONATE IONS, LACTATE IONS, GLYCOLATE IONS AN MANDELATE IONS, SAID AQUEOUS SOLUTION HAVING A PH WITHIN THE RANGE OF FROM IN EXCESS OF 7.5 AND LESS THAN 9.
References Cited (Backward Citations)
US2321783A
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US2321766A
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FR885758A
Cited
US2360376A
Cited
GB629467A
Cited
US2513614A
Cited
US2608536A
Cited
US2609352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |