US2856094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of alkenylphenol-aldehyde resins with polyepoxide resins and metallic surfaces coated therewith
Assignee: PPG Industries Inc
•
Filing: 1955-08-16
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Granted: 1958-10-14
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Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Stewart W Gloyer
- 👤 Henry A Vogel
- 👤 Darrell D Brenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:30
CPC Classifications
C; C09; C09D; C09D163/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
102 words
A HEAT HARDENABLE RESINOUS COATING COMPOSITION COMPRISING ABOUT 20 PERCENT TTO 95 PERCENT BY WEIGHT OF A POLYEPOXIDE RESIN WHICH IS A POLYETHER DERIVATIVE OF A POLYHYDRIC PHENOL CONTAINING EPOXIDE GROUPS AND BEING FREE FROM FUNCTIONAL GROUPS OTHER THAN THE EPOXIDE AND THE HYDROXYL GROUPS, ABOUT 5 PERCENT TO 80 PERCENT BY WEIGHT OF THE RESINOUS CONDENSATION PRODUCT OF A BUTENYLPHENOL AND ALDEHYDE, AND ABOUT 0.5 PERCENT TO 3.0 PERCENT BY WEIGHT OF AN ACIDIC CATALYST SELECTED FROM THE CLASS CONSISTING OF MINERAL ACIDS AND ORGANIC CARBOXYLIC ACIDS, BASED ON THE TOTAL SOLIDS WEIGHT OF THE RESINOUS COMPONENTS OF SAID COATING COMPOSITION.
Claim 2
Dependent Claim
102 words
A HEAT HARDENABLE RESINOUS COATING COMPOSITION COMPRISING ABOUT 20 PERCENT TTO 95 PERCENT BY WEIGHT OF A POLYEPOXIDE RESIN WHICH IS A POLYETHER DERIVATIVE OF A POLYHYDRIC PHENOL CONTAINING EPOXIDE GROUPS AND BEING FREE FROM FUNCTIONAL GROUPS OTHER THAN THE EPOXIDE AND THE HYDROXYL GROUPS, ABOUT 5 PERCENT TO 80 PERCENT BY WEIGHT OF THE RESINOUS CONDENSATION PRODUCT OF A BUTENYLPHENOL AND ALDEHYDE, AND ABOUT 0.5 PERCENT TO 3.0 PERCENT BY WEIGHT OF AN ACIDIC CATALYST SELECTED FROM THE CLASS CONSISTING OF MINERAL ACIDS AND ORGANIC CARBOXYLIC ACIDS, BASED ON THE TOTAL SOLIDS WEIGHT OF THE RESINOUS COMPONENTS OF SAID COATING COMPOSITION.
Claim 3
Dependent Claim
26 words
A METALLIC CONTAINER FOR A FOOD PRODUCT HAVING ADHERED TO THE INNER SURFACE THEREOF A HEAT HARDENED FILM OF THE RESINOUS COATING COMPOSITION OF CLAIM 1.
References Cited (Backward Citations)
US2006043A
Cited
US2699413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |