US2612494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized diazonium salts and process of effecting same
Assignee: GAF Chemicals Corp
•
Filing: 1948-10-22
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Granted: 1952-09-30
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Expires: 1968-10-22
Abstract
No abstract record available.
Inventors
- 👤 Glahn William H Von
- 👤 Herman A Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:49
CPC Classifications
C; C09; C09B; C09B67/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
24 words
A STABLE, DRY, NON-DUSTING DIAZONIUM COMPOSITION COMPRISING AN AROMATIC DIAZONIUM SALT IN COMPLEX COMBINATION WITH A MIXTURE OF SODIUM OLEATE AND 1,5-NAPHTHALENE DISULFONIC ACID.
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) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |