US3063790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preventing corrosion
Assignee: Universal Oil Products Co
•
Filing: 1960-07-13
•
Granted: 1962-11-13
•
Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Pollitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:12
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE METHOD OF RETARDING CORROSION OF METAL UPON CONTACT WITH WATER WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A WATER SOLUBLE CORROSION INHIBITOR COMPRISING THE REACTION PRODUCT OF AN EPIHALOHYDRIN WITH AN OLEOPHILLIC AMINE AND WITH A HYDROPHILIC AMINO CIMPOUND.
Claim 2
Independent Claim
42 words
THE METHOD OF RETARDING CORROSION OF METAL UPON CONTACT WITH WATER WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A WATER SOLUBLE CORROSION INHIBITOR COMPRISING THE REACTION PRODUCT OF AN EPIHALOHYDRIN WITH AN OLEOPHILLIC AMINE AND WITH A HYDROPHILIC AMINO CIMPOUND.
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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |