US3248336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous bleaching solutions of peroxycarboxylic acids
Assignee: FMC Corp
•
Filing: 1964-04-06
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Granted: 1966-04-26
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 John H Blumbergs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:52
CPC Classifications
C; C07; C07C; C07C407/00; C07C407/003; C07C407/006; D; D06; D06L; D06L4/00; D06L4/10; D06L4/15; D06L4/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A STABLE, AQUEOUS BASED COMPOSITION WHICH CONSISTS ESSENTIALLY OF A PEROXYBENZOIC ACID, SAID ACID BEING FREE OF GROUPS WHICH CAN BE OXIDIZED BY PEROXYCARBOXYLIC ACIDS, DISSOLVED IN A MIXED SOLVENT CONSISTING ESSENTIALLY OF WATER AND TERT-BUTYL ALCOHOL, IN WHICH THE TERT-BUTYL ALCOHOL IS PRESENT IN WEIGHT RATIOS RELATIVE TO THE WATER OF UP TO 1:1, AND IN AMOUNTS SUFFICIENT TO FORM A HOMOGENEOUS SOLUTION.
Claim 2
Dependent Claim
64 words
A STABLE, AQUEOUS BASED COMPOSITION WHICH CONSISTS ESSENTIALLY OF A PEROXYBENZOIC ACID, SAID ACID BEING FREE OF GROUPS WHICH CAN BE OXIDIZED BY PEROXYCARBOXYLIC ACIDS, DISSOLVED IN A MIXED SOLVENT CONSISTING ESSENTIALLY OF WATER AND TERT-BUTYL ALCOHOL, IN WHICH THE TERT-BUTYL ALCOHOL IS PRESENT IN WEIGHT RATIOS RELATIVE TO THE WATER OF UP TO 1:1, AND IN AMOUNTS SUFFICIENT TO FORM A HOMOGENEOUS SOLUTION.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |