US3353902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of using quaternary ammonium peroxysulfates
Assignee: FMC Corp
•
Filing: 1964-05-08
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Granted: 1967-11-21
•
Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Louis H Diamond
- 👤 John H Blumbergs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:52
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/62; C07C211/63; D; D06; D06L; D06L4/00; D06L4/10; D06L4/13; D06L4/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A METHOD FOR BLEACHING FABRICS WHICH COMPRISES CONTACTING SAID FABRICS WITH AN EFFECTIVE AMOUNT OF A BLEACHING AGENT SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Independent Claim
24 words
A METHOD FOR BLEACHING FABRICS WHICH COMPRISES CONTACTING SAID FABRICS WITH AN EFFECTIVE AMOUNT OF A BLEACHING AGENT SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US3042622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |