US2881146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organopolysiloxane emulsion containing polymerization catalyst and colloidal silica
Assignee: EIDP Inc
•
Filing: 1956-07-10
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Granted: 1959-04-07
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Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Norman A Remer
- 👤 Aarons Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:13
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITION FOR APPLYING TO HYDROPHILIC, SOILABLE SURFACES TO IMPART BOTH WATER REPELLENCE AND RESISTANCE TO SOILING THERETO, THE COMPOSITION COMPRISING (A) AN AQUEOUS EMULSION HAVING A PH OF 3 TO 9 AND A DISPERSED PHASE CONSISTING OF AN ORGANOPOLYSILOXANE HAVING A REPEATING STRUCTURE OF THE FORMULA
Claim 2
Dependent Claim
47 words
A COMPOSITION FOR APPLYING TO HYDROPHILIC, SOILABLE SURFACES TO IMPART BOTH WATER REPELLENCE AND RESISTANCE TO SOILING THERETO, THE COMPOSITION COMPRISING (A) AN AQUEOUS EMULSION HAVING A PH OF 3 TO 9 AND A DISPERSED PHASE CONSISTING OF AN ORGANOPOLYSILOXANE HAVING A REPEATING STRUCTURE OF THE FORMULA
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) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |