Patent US3247281A successfully refreshed from Google Patents.
US3247281A
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Water repellent compositions containing water soluble aminosilanes and aminosilicones as curing catalysts and process for treating substrates therewith
Assignee: Union Carbide Corp
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Filing: 1961-09-27
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Granted: 1966-04-19
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Domenick D Gagliardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:22
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C08L; C08L83/00; C08L83/04; C08G77/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR IMPARTING WATER REPELLENCY TO SUBSTRATE MATERIALS WITH AN ORGANOSILOXANE CURABLE TO A WATER-REPELLENT STATE AND CONTAINING AT LEAST 5 PERCENT BY WEIGHT OF SIH GROUPS, SAID PROCESS COMPRISING (1) CONTACTING SAID SUBSTRATE WITH A COMPOSITION CONTAINING A MIXTURE OF SAID SILOXANE AND AS A CURING CATALYST FOR SAID SILOXANE, A CATALYTIC AMOUNT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF: (A) A WATER SOLUBLE AMINOSILANE REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
73 words
A PROCESS FOR IMPARTING WATER REPELLENCY TO SUBSTRATE MATERIALS WITH AN ORGANOSILOXANE CURABLE TO A WATER-REPELLENT STATE AND CONTAINING AT LEAST 5 PERCENT BY WEIGHT OF SIH GROUPS, SAID PROCESS COMPRISING (1) CONTACTING SAID SUBSTRATE WITH A COMPOSITION CONTAINING A MIXTURE OF SAID SILOXANE AND AS A CURING CATALYST FOR SAID SILOXANE, A CATALYTIC AMOUNT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF: (A) A WATER SOLUBLE AMINOSILANE REPRESENTED BY 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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |