US2813825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing perchlorates
Assignee: Pennwalt Corp
•
Filing: 1955-12-14
•
Granted: 1957-11-19
•
Expires: 1975-12-14
Abstract
No abstract record available.
Inventors
- 👤 Henry C Miller
- 👤 John C Grigger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN THE ELECTROLYTIC PRODUCTION OF PERCHLORATE INVOLVING THE ELECTROLYTIC OXIDATION OF CHLORATE IN AQUEOUSUS SOLUTION TO PERCHLORATE, THE IMPROVEMENT WHICH COMPRISES CONDUCTING AT LEAST A PORTION OF THE ELECTROLYSIS WITH AT LEAST ABOUT 1 GRAM PER LITER OF A PERSULPHATE DISSOLVED IN THE CHLORATE-CONTAINING ELECTROLYTE BATH.
Claim 2
Dependent Claim
46 words
IN THE ELECTROLYTIC PRODUCTION OF PERCHLORATE INVOLVING THE ELECTROLYTIC OXIDATION OF CHLORATE IN AQUEOUSUS SOLUTION TO PERCHLORATE, THE IMPROVEMENT WHICH COMPRISES CONDUCTING AT LEAST A PORTION OF THE ELECTROLYSIS WITH AT LEAST ABOUT 1 GRAM PER LITER OF A PERSULPHATE DISSOLVED IN THE CHLORATE-CONTAINING ELECTROLYTE BATH.
References Cited (Backward Citations)
US2512973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |