US3756973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersion for water repellent coatings
Assignee: EIDP Inc
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Filing: 1971-09-20
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Granted: 1973-09-04
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Expires: 1991-09-20
Abstract
Abstract A STORAGE-STABLE AQUEOUS DISPERSION, FROM WHICH A RAPID-CURING, WATER-REPELLENT COATING CAN BE APPLIED, IS PROVIDED. THE ESSENTIALLY INGREDIENTS OF THE DISPERSION COMPRISE A COPOLYMER OF ETHYLENE AND AN ALPHA,BETA-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID, A WAX, AND A LOW MOLECULAR WEIGHT, WATER-SOLUBLE METHYLATED MELAMINE-FORMALDEHYDE RESIN. AN ARTICLE COMPRISING A FABRIC HAVING THEREON A COATING OF THE DISPERSED PHASE OF THE DISPERSION AND A PROCESS FOR PREPARING THE ARTICLE ARE ALSO PROVIDED.
Inventors
- 👤 R Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:07
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/05; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; D06M15/227; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2197
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |