US3184336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cleaning aqueous systems
Assignee: Individual
•
Filing: 1963-04-15
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Granted: 1965-05-18
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Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Murphy John Phillip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:12
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD OF CLEANING AND PREVENTING THE DEPOSIT AND ACCUMULATION OF MYD IN WATER PIPES AND ACCOMPANYING WATER-SYSTEMS CARRYING RAW WATER CONTAINING MUN WHICH COMPRISES TREATING THE MUD BY ADDING THE RAW WATER PASSING THROUGH THE SYSTEMS APPROXIMATELY 0.001 TO 2000 PARTS BY WEIGHT OF A WATER-SOLUBLE, NONIONIC POLYMER OF EHTYLENE OXIDE PER MILLION PARTS BY WEIGHT OF THE WATER; SAID WATER PASSING THROUGH SAID SYSTEMS AT A FLOW RATE SUFFICIENT TO CARRY THE TREATED MUD, AND SAID POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT ABOVE 800,000.
Claim 2
Independent Claim
86 words
A METHOD OF CLEANING AND PREVENTING THE DEPOSIT AND ACCUMULATION OF MYD IN WATER PIPES AND ACCOMPANYING WATER-SYSTEMS CARRYING RAW WATER CONTAINING MUN WHICH COMPRISES TREATING THE MUD BY ADDING THE RAW WATER PASSING THROUGH THE SYSTEMS APPROXIMATELY 0.001 TO 2000 PARTS BY WEIGHT OF A WATER-SOLUBLE, NONIONIC POLYMER OF EHTYLENE OXIDE PER MILLION PARTS BY WEIGHT OF THE WATER; SAID WATER PASSING THROUGH SAID SYSTEMS AT A FLOW RATE SUFFICIENT TO CARRY THE TREATED MUD, AND SAID POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT ABOVE 800,000.
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |