US3338971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized n, n-dialkylhydroxylamine aqueous solutions
Assignee: Pennwalt Corp
•
Filing: 1964-05-25
•
Granted: 1967-08-29
•
Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Harry E Albert
- 👤 Haines Paul Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:25
CPC Classifications
C; C07; C07C; C07C291/00; C07C291/02; C07C291/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AQUEOUS SOLUTIONS OF N,N-DI-LOWER ALKYLHYDROXYLAMINES HAVING IMPROVED STORAGE STABILITY CONSISTING ESSENTIALLY OF WATER, AN N,N-DI-LOWER ALKYLHYDROXYLAMINE AND A STABILIZING AMOUNT OF A WATER SOLUBLE N,N-DI-LOWER ALKYLDITHIOCARBAMATE SALT.
Claim 2
Dependent Claim
27 words
AQUEOUS SOLUTIONS OF N,N-DI-LOWER ALKYLHYDROXYLAMINES HAVING IMPROVED STORAGE STABILITY CONSISTING ESSENTIALLY OF WATER, AN N,N-DI-LOWER ALKYLHYDROXYLAMINE AND A STABILIZING AMOUNT OF A WATER SOLUBLE N,N-DI-LOWER ALKYLDITHIOCARBAMATE SALT.
References Cited (Backward Citations)
US3288748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |