Patent US2923431A successfully refreshed from Google Patents.
US2923431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating
Assignee: ENTERPRISE PAINT MANUFACTURING Co
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Filing: 1957-07-16
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Granted: 1960-02-02
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Expires: 1977-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Franklin M De Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:19
CPC Classifications
C; C09; C09D; C09D163/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A CONTAINER OF TIN PLATE HAVING ITS INTERIOR SURFACE LINED WITH A THIN, TOUGH, FLEXIBLE, CONTINUOUS, PROTECTIVE BAKED-ON COATING OF THERMOSETTING RESIN DIRECTLY ADHERING TO THE BARE TIN PLATE AND CONSISTING ESSENTIALLY OF THE PRODUCT WHICH RESULTS FROM HEATING IN ORGAN SOLVENT SOLUTION DEPOSITED DIRECTLY ON SAID BARE METAL AND CONTAINING LOW MOLECULAR WEIGHT EPOXY RESIN, REACTIVE FATTY ACID POLYAMID AND HYDROXYL-CONTAINING VINYL CHLORIDEVINYL ACETATE COPOLYMER WHEREIN THE EPOXY RESIN AND POLYAMIDE ARE PRESENT IN A RATIO BETWEEN 1:1 AND 3:1 AND THE COPOLYMER COMPRISES AT LEAST 30% BY WEIGHT OF THE TOTAL RESIN CONTENT, SAID COATING BEING HIGHLY RESISTANT TO SOLVENTS INCLUDING WATER AND STEAM, AND OF LOW FLAVOR AND ODOR TRANSMISSION.
Claim 2
Dependent Claim
113 words
A CONTAINER OF TIN PLATE HAVING ITS INTERIOR SURFACE LINED WITH A THIN, TOUGH, FLEXIBLE, CONTINUOUS, PROTECTIVE BAKED-ON COATING OF THERMOSETTING RESIN DIRECTLY ADHERING TO THE BARE TIN PLATE AND CONSISTING ESSENTIALLY OF THE PRODUCT WHICH RESULTS FROM HEATING IN ORGAN SOLVENT SOLUTION DEPOSITED DIRECTLY ON SAID BARE METAL AND CONTAINING LOW MOLECULAR WEIGHT EPOXY RESIN, REACTIVE FATTY ACID POLYAMID AND HYDROXYL-CONTAINING VINYL CHLORIDEVINYL ACETATE COPOLYMER WHEREIN THE EPOXY RESIN AND POLYAMIDE ARE PRESENT IN A RATIO BETWEEN 1:1 AND 3:1 AND THE COPOLYMER COMPRISES AT LEAST 30% BY WEIGHT OF THE TOTAL RESIN CONTENT, SAID COATING BEING HIGHLY RESISTANT TO SOLVENTS INCLUDING WATER AND STEAM, AND OF LOW FLAVOR AND ODOR TRANSMISSION.
References Cited (Backward Citations)
US2699413A
Cited
US2769826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |