US2984575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold tertiary mercaptides and method for the preparation thereof
Assignee: Engelhard Industries Inc
•
Filing: 1958-04-09
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Granted: 1961-05-16
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Expires: 1978-04-09
Abstract
No abstract record available.
Inventors
- 👤 Howard M Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:47
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/51; C04B41/5116; C07; C07C; C07C321/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A GOLD DECORATING COMPOSITION COMPRISING A GOLD TERTIARY ALKYL MERCAPTIDE, A DILUENT, AND A GOLD FLUX.
Claim 2
Dependent Claim
16 words
A GOLD DECORATING COMPOSITION COMPRISING A GOLD TERTIARY ALKYL MERCAPTIDE, A DILUENT, AND A GOLD FLUX.
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |