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US3063790A Expired / Lapsed US ⏱️ 0.0 years remaining

Preventing corrosion

Assignee: Universal Oil Products Co
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Filing: 1960-07-13
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Granted: 1962-11-13
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Expires: 1980-07-13
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest L Pollitzer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:35
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)

US1845403A Cited
US2598213A Cited
US2864775A Cited

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

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