US2998330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating metals and compositions useful therein
Assignee: Dow Chemical Co
•
Filing: 1957-10-23
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Granted: 1961-08-29
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Expires: 1977-10-23
Abstract
No abstract record available.
Inventors
- 👤 Walter C Snyder
- 👤 Hershel B Prindle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:43
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; B05D7/50; B05D7/52; B05D7/54; B05D7/546; C; C09; C09D; C09D4/00; C09D4/06; B05D2401/00; B05D2401/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A PROCESS FOR PROTECTIVELY COATING METALS CONSISTING OF (1) APPLYING TO SAID METAL IN PROTECTIVE THICKNESS A WET COATING OF A FILM-FORMING AQUEOUS DISPERSION OF AN AQUEOUS LATEX OF AN ACRYLIC INTERPOLYMER COMPOSED PREDOMINANTLY OF AN ALKYL ESTER OF METHACRYLIC ACID WHICH, WITHOUT MODIFICATION, IS NOT FILM FORMING AT AMBIENT TEMPERATURES TOGETHER WITH PLASTICIZING QUANTITIES OF A POLYMERIZABLE DIETHYLENICALLY UNSATURATED PLASTICIZER, (2) DEWATERING SAID WET COATING, (3) INDUCING THE POLYMERIZATION OF SAID POLYMERIZABLE PLASTICIZER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |