Patent US2948694A successfully refreshed from Google Patents.
US2948694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinsol-epoxy compositions
Assignee: Celanese Coatings Co
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Filing: 1958-11-10
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Granted: 1960-08-09
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Expires: 1978-11-10
Abstract
No abstract record available.
Inventors
- 👤 Francis E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:25
CPC Classifications
C; C08; C08L; C08L63/00; C08L93/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A COMPOSITE ARTICLE COMPRISING AT LEAST TWO ELEMENTS ADHERED TOGETHER BY A THIN LAYER OF A CURED COMPOSITION CONTAINING AS ITS SOLE REACTIVE INGREDIENTS VINSOL, A DARK COLORED, HARD, PINE RESIN WHICH IS SOLUBLE IN AROMATIC HYDROCARBONS, SUBSTANTIALLY INSOLUBLE IN PETROLEUM HYDROCARBONS AND HAS AN ACID NUMBER OF 90 TO 105, AND AN ETHOXYLINE RESIN SELECTED FROM THE GROUP CONSISTING OF MONOMERIC AND STRAIGHT CHAIN POLYMERIC EPOXY ETHERS, ESTERS AND OILS HAVING MOLECULAR WEIGHTS OF 250 TO 8,000, AND AT LEAST ONE OF THE ETHOXYLINE RESILN CROSS-LINKING AGENTS, UREA AND MELAMINE ALDEHYDE RESINS, AMINES, AMIDES, BORON TRIFLUORIDE AMINE COMPLEXES AND POLYCARBOXYLIC ANHYDRIDES.
Claim 2
Dependent Claim
102 words
A COMPOSITE ARTICLE COMPRISING AT LEAST TWO ELEMENTS ADHERED TOGETHER BY A THIN LAYER OF A CURED COMPOSITION CONTAINING AS ITS SOLE REACTIVE INGREDIENTS VINSOL, A DARK COLORED, HARD, PINE RESIN WHICH IS SOLUBLE IN AROMATIC HYDROCARBONS, SUBSTANTIALLY INSOLUBLE IN PETROLEUM HYDROCARBONS AND HAS AN ACID NUMBER OF 90 TO 105, AND AN ETHOXYLINE RESIN SELECTED FROM THE GROUP CONSISTING OF MONOMERIC AND STRAIGHT CHAIN POLYMERIC EPOXY ETHERS, ESTERS AND OILS HAVING MOLECULAR WEIGHTS OF 250 TO 8,000, AND AT LEAST ONE OF THE ETHOXYLINE RESILN CROSS-LINKING AGENTS, UREA AND MELAMINE ALDEHYDE RESINS, AMINES, AMIDES, BORON TRIFLUORIDE AMINE COMPLEXES AND POLYCARBOXYLIC ANHYDRIDES.
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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |