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US2800451A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for making alkyl phenolic materials and derivatives thereof

Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-05-25
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Granted: 1957-07-23
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Expires: 1973-05-25
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Abstract

No abstract record available.

Inventors

  • 👤 Henry O Mottern
  • 👤 Theodore J Peters

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:31
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/68; C07C37/88; C07C37/11; C07C37/14

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 101 words
A PROCESS FOR FORMING METAL ALKYL SULFIDES WHICH COMPRISES ALKYLATING PHENOL WITH AN OLEFIN HYDROCARBON HAVING IN THE RANGE OF ABOUT 4 TO 20 CARBON ATOMS IN THE PRESENCE OF BORON FLUORIDE CATALYST, RECOVERING AN ALKYL PHENOL PRODUCT CONTAINING SAID CATALYST, MIXING THEREWITH A C10-C20 ALIPHATIC ALCOHOL IN AN AMOUNT IN THE RANGE OF ABOUT 5 TO 20%. BBASED ON SAID PRODUCT, REACTING THE RESULTING-MIXTURE WITH A SULFUR CHLORIDE TO FORM AN ALKYL PHENEOL SULFUR, DISSOLVING SAID SULFUR IN A MINERAL LUBRICANT BASE STOCK, AND REACTING SAID SULFUR WITH AN ALKALINE ERTH METAL HYDROXIDE TO FORM THE METAL SALT DERIVATIVE THEREOF.

References Cited (Backward Citations)

US2294145A Cited
US2406564A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-22 1961-01-21 1961-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-22 1965-01-21 1965-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-22 1969-01-21 1969-07-23 $7700.00 Window Closed / Lapsed

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