US3066097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyalkyl pyridines for corrosion inhibiting
Assignee: Pan American Petroleum Corp
•
Filing: 1960-06-09
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Granted: 1962-11-27
•
Expires: 1980-06-09
Abstract
No abstract record available.
Inventors
- 👤 Loyd W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:51
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS FOR INHIBITING CORROSION OF FERROUS METALS BY A FLUID CONTAINING WATER AND HYDROGEN SULFIDE COMPRISING INCORPORTATING INTO SAID FLUID THE SALTS OF A CARBOXYLIC ACID CONTAINING AT LEAST ABOUT 6 CARBON ATOMS PER CARBOXYLIC ACID RADICAL AND MIXED AMINES WHICH ARE THE POROF THE ACID-SOLUBLE MATERIALS IN THE REACTION PRODUCT OF OF THE ACID-SOLUBLE MATERIALS IN THE REACTION PRODUCT OF AMMONIA WITH A REACTANT SELECTED FROM THE GROUP CONSISTING OF ACETALDEHYDE AND ACETYLENE, SAID ACIDS BEING SELECTED FROM THE GROUP CONSISTING OF NAPHTHENIC ACIDS, ACIDS PRODUCED BY THE PARTIAL OXIDATION OF PETROLEUM HYDROCARBONS, AND NON-ROSIN TALL OIL ACIDS CONTAINING FROM ABOUT 10 TO 50 PERCENT BY WEIGHT OF UNSAPONIFIABLE TALL OIL CONSTITUENTS, AND CONTACTING SAID METAL WITH THE FLUID CONTAINGING SAID SALTS.
Claim 2
Dependent Claim
124 words
A PROCESS FOR INHIBITING CORROSION OF FERROUS METALS BY A FLUID CONTAINING WATER AND HYDROGEN SULFIDE COMPRISING INCORPORTATING INTO SAID FLUID THE SALTS OF A CARBOXYLIC ACID CONTAINING AT LEAST ABOUT 6 CARBON ATOMS PER CARBOXYLIC ACID RADICAL AND MIXED AMINES WHICH ARE THE POROF THE ACID-SOLUBLE MATERIALS IN THE REACTION PRODUCT OF OF THE ACID-SOLUBLE MATERIALS IN THE REACTION PRODUCT OF AMMONIA WITH A REACTANT SELECTED FROM THE GROUP CONSISTING OF ACETALDEHYDE AND ACETYLENE, SAID ACIDS BEING SELECTED FROM THE GROUP CONSISTING OF NAPHTHENIC ACIDS, ACIDS PRODUCED BY THE PARTIAL OXIDATION OF PETROLEUM HYDROCARBONS, AND NON-ROSIN TALL OIL ACIDS CONTAINING FROM ABOUT 10 TO 50 PERCENT BY WEIGHT OF UNSAPONIFIABLE TALL OIL CONSTITUENTS, AND CONTACTING SAID METAL WITH THE FLUID CONTAINGING SAID SALTS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |