US3245809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold aryl mercaptides and decorating compositions containing same
Assignee: Engelhard Industries Inc
•
Filing: 1962-04-09
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Granted: 1966-04-12
•
Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Howard M Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:14
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C03; C03C; C03C17/00; C03C17/06; C03C17/10; C07; C07C; C07C323/00; C23; C23C; C23C18/00; C23C18/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A LIQUID GOLD DECORATING COMPOSITION COMPRISING A NUCLEAR-SUBSTITUTED GOLD ARYL MERCAPTIDE WHEREIN THE MERCAPTO SULFUR IS ATTACHED DIRECTLY TO THE ARYL NUCLEUS AND INCLUDING AT LEAST ONE ALKYL GORUP CONTAINING AT LEAST THREE CARBON ATOMS ATTACHED DIRECTLY THE THE ARYL NUCLEUS, IN SOLUTION IN AN ORGANIC VEHICLE AN A GOLD FLUX.
Claim 2
Dependent Claim
51 words
A LIQUID GOLD DECORATING COMPOSITION COMPRISING A NUCLEAR-SUBSTITUTED GOLD ARYL MERCAPTIDE WHEREIN THE MERCAPTO SULFUR IS ATTACHED DIRECTLY TO THE ARYL NUCLEUS AND INCLUDING AT LEAST ONE ALKYL GORUP CONTAINING AT LEAST THREE CARBON ATOMS ATTACHED DIRECTLY THE THE ARYL NUCLEUS, IN SOLUTION IN AN ORGANIC VEHICLE AN A GOLD FLUX.
References Cited (Backward Citations)
US2607789A
Cited
US2994614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |