US2843503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resisting coatings
Assignee: Eastman Kodak Co
•
Filing: 1954-01-08
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Granted: 1958-07-15
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Expires: 1974-01-08
Abstract
No abstract record available.
Inventors
- 👤 Salo Martin
- 👤 Gerard J Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:13
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/10; C09D101/14; B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; B05D7/18; B05D7/50; B05D7/56; B05D7/58; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T428/31986
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A PROCESS FOR PROVIDING A CORROSION-RESISTING COATING FOR STEEL IN WHICH AT LEAST THREE SUCCESSIVE COATINGS ARE APPLIED COMPRISING COATING WITHA PRIMER COMPRISING ABOUT 9% CELLULOSE ACETATE BUTYRATE, 8.6% ZINC TETROXYCHROMATE, AND A SOLVENT MIXTURE CONSISTING OF TOLUENE, METHYL CELLOSOLVE AND ETHYL ALOCHOL, APPLYING A SECOND COATING COMPRISING 60-95% CELLULOSE ACETATE BUTYRATE, 5-40% METHYLOL PHENYL ALLYL ETHER, ABOUT 0.3% PHOSPHORIC ACID, SOLIDS BASIS, AND A SOLVENT MIXUTRE CONSISTING OF XYLENE, TOLUENE, BUTYL ALCOHOL, ISOPROPYL ALCOHOL AND BUTYL ACETATE, AND A THIRD COATING COMPRISING 9.1% CELLULOSE ACETATE BUTYRATE AND A SOLVENT MIXTURE CONSISTING OF XYLENE, TOLUENE, BUTYL ALCOHOL, ISOPROPYL ALCOHOL AND BUTYL ACETATE.
References Cited (Backward Citations)
US1811040A
Cited
US2060572A
Cited
US2296070A
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US2186454A
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US2295814A
Cited
US2315974A
Cited
US2558243A
Cited
US2579329A
Cited
US2787557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |