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US3718488A
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US
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Precious metal decorating compositions containing bis-chelate derivatives of palladium
Assignee: EIDP Inc
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Filing: 1971-03-02
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Granted: 1973-02-27
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Expires: 1991-03-02
Abstract
Abstract Precious metal decorating compositions containing bis-chelate derivatives of palladium are useful in forming decorative films having high thermal stability. These precious metal decorating compositions are suitable for application to various substrates including glass, quartz, alumina, and other ceramic materials.
Inventors
- 👤 S Trofimenko
- 👤 L Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:31
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/51; C04B41/5122
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
28 words
A precious metal decorating composition in accordance with claim 1 wherein the amount of palladium metal present in said composition is within the range of 0.1-20 weight percent.
Claim 2
Dependent Claim
16 words
A precious metal decorating composition in accordance with claim 1 where the palladium compound is 2,2,6,6-Tetramethyl-3,5-heptanedionato-2-(2-pyridyl)phenylpalladium(II).
Claim 3
Dependent Claim
16 words
A precious metal decorating composition in accordance with claim 1 where the palladium compound is 2,2,6,6-Tetramethyl-3,5-heptanedionato-2-(1-pyrazolyl)phenylpalladium(II).
Claim 4
Dependent Claim
17 words
A precious metal decorating composition in accordance with claim 1 where the palladium compound is 2,2,6,6-Tetramethyl-3,5-heptanedionato-8-(dimethylamino)-1 -naphthylpalladium(II).
Claim 5
Dependent Claim
16 words
A precious metal decorating composition in accordance with claim 1 where the palladium compound is 2,4-Pentanedionato-(2-dimethylaminomethyl)phenylpalladium(II)
Claim 6
Dependent Claim
17 words
A precious metal decorating composition in accordance with claim 1 where the palladium compound is (Ethyl 3-oxobutanoato)-2-(dimethylaminomethyl)phenylpalladium(II).
Claim 7
Dependent Claim
16 words
A precious metal decorating composition in accordance with claim 1 where the palladium compound is (4-Phenylimino-2-pentanonato)-2-(dimethylaminoethyl)-phenylpalladium(II).
Claim 8
Dependent Claim
30 words
In a precious metal decorating composition comprising a flux, an organic solvent system and a palladium compound, the improvement comprising a palladium compound represented by one of the following formulas:
Claim 9
Dependent Claim
27 words
A precious metal decorating composition according to claim 9 comprising a flux, an organic solvent system and a palladium compound represented by one of the following formulas:
References Cited (Backward Citations)
US3216834A
Cited
US3428476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |