US3105810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preventing fouling of metal conductors in a refinery process
Assignee: ChampionX LLC
•
Filing: 1959-01-19
•
Granted: 1963-10-01
•
Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Richard M Miller
- 👤 Harold I Patzelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:34
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
PROCESS FOR PREVENTING FOULING OF A METAL CONDUCTOR THROUGH WHICH IS PASSING MATERIAL FROM THE GROUP CONSISTING OF NAPHTHAS, GAS OILS AND CRUDE OILS WHICH ARE NORMALLY SUSCEPTIBLE TO THE FORMATION OF FOULING DEPOSITS WHEN PASSED THROUGH SUCH METAL CONDUCTOR AT 200-1100* F. FOR CONVERSION OF SAID MATERIAL TO AN UPGRADED REFINERY PRODUCT, WHICH COMPRISES ADDING TO SAID MATERIAL AT LEAST ONE PART PER MILLION, BASED ON THE WEIGHT OF SAID MATERIAL, OF AN OIL SOLUBLE ALKARYL SULFUR CONTAINING COMPOUND HAVING A MOLECULAR WEIGHT OF 350 TO 1055 FROM THE GROUP CONSISTING OF PETROLEUM SULFONIC ACIDS, THEIR ALKALI, ALKALINE EARTH METAL, AND AMINE SALTS AND ALKYL BENZENE SULFONIC ACIDS AND SULFONATES OF THE FORMULA
Claim 2
Dependent Claim
114 words
PROCESS FOR PREVENTING FOULING OF A METAL CONDUCTOR THROUGH WHICH IS PASSING MATERIAL FROM THE GROUP CONSISTING OF NAPHTHAS, GAS OILS AND CRUDE OILS WHICH ARE NORMALLY SUSCEPTIBLE TO THE FORMATION OF FOULING DEPOSITS WHEN PASSED THROUGH SUCH METAL CONDUCTOR AT 200-1100* F. FOR CONVERSION OF SAID MATERIAL TO AN UPGRADED REFINERY PRODUCT, WHICH COMPRISES ADDING TO SAID MATERIAL AT LEAST ONE PART PER MILLION, BASED ON THE WEIGHT OF SAID MATERIAL, OF AN OIL SOLUBLE ALKARYL SULFUR CONTAINING COMPOUND HAVING A MOLECULAR WEIGHT OF 350 TO 1055 FROM THE GROUP CONSISTING OF PETROLEUM SULFONIC ACIDS, THEIR ALKALI, ALKALINE EARTH METAL, AND AMINE SALTS AND ALKYL BENZENE SULFONIC ACIDS AND SULFONATES OF THE FORMULA
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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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |