Patent US2569920A successfully refreshed from Google Patents.
US2569920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions and processes of applying same to glass
Assignee: EIDP Inc
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Filing: 1949-04-21
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Granted: 1951-10-02
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Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Buck Allen Cleland
- 👤 Conlon Joseph Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:58
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4207; C08G59/62; C08G59/625; C08G63/00; C08G63/02; C08G63/12; C08G63/40; C08G63/42; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS OF APPLYING A SUBSTANTIALLY PERMANENT DECORATIVE FINISH TO GLASS, COMPRISING COATING THE GLASS WITH A SOLUTION OF AN ESTERIFIABLE EPOXYHYDROXY POLYETHER RESIN AND A LATENT CROSSLINKING AGENT THEREFOR OF THE GROUP WHICH CONSISTS OF CITRIC ACID, TRICARBALLYLIC ACID, ACONITIC ACID, ITACONIC ACID, CITRACONIC ACID, MALIC ACID, AND DIGLYCOLLIC ACID, AND SUBJECTING SAID COATED GLASS TO A TEMPERATURE BETWEEN 330* F. AND 475* F. FOR FROM 1 HOUR TO 10 MINUTES.
Claim 2
Dependent Claim
72 words
A PROCESS OF APPLYING A SUBSTANTIALLY PERMANENT DECORATIVE FINISH TO GLASS, COMPRISING COATING THE GLASS WITH A SOLUTION OF AN ESTERIFIABLE EPOXYHYDROXY POLYETHER RESIN AND A LATENT CROSSLINKING AGENT THEREFOR OF THE GROUP WHICH CONSISTS OF CITRIC ACID, TRICARBALLYLIC ACID, ACONITIC ACID, ITACONIC ACID, CITRACONIC ACID, MALIC ACID, AND DIGLYCOLLIC ACID, AND SUBJECTING SAID COATED GLASS TO A TEMPERATURE BETWEEN 330* F. AND 475* F. FOR FROM 1 HOUR TO 10 MINUTES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |