US2873249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for inhibiting the formation and growth of slime in water systems
Assignee: Individual
•
Filing: 1957-09-23
•
Granted: 1959-02-10
•
Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Schwartz Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:28
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/12; D; D21; D21F; D21F1/00; D21F1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A METHOD OF INHIBITING THE FORMATION AND GROWTH OF SLIME IN A PAPER MILL WATER SYSTEM COMPRISING AN AQUEOUS DISPERSION OF PAPER-MAKING FIBERS WHICH COMPRISES INTRODUCING TO THE SYSTEM BIS-1,4-BROMACETOXY-2BUTENE.
Claim 2
Independent Claim
30 words
A METHOD OF INHIBITING THE FORMATION AND GROWTH OF SLIME IN A PAPER MILL WATER SYSTEM COMPRISING AN AQUEOUS DISPERSION OF PAPER-MAKING FIBERS WHICH COMPRISES INTRODUCING TO THE SYSTEM BIS-1,4-BROMACETOXY-2BUTENE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |