Patent US3089851A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3089851A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricant additive and composition containing same

Assignee: Standard Oil Co
•
Filing: 1958-12-08
•
Granted: 1963-05-14
•
Expires: 1978-12-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Donald L Klass
  • 👤 Roger W Watson
  • 👤 Robert E Karll

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:05
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C07; C07F; C07F9/00; C07F9/02; C07F9/04; C08; C08F; C08F8/00; C08F8/34; C10M3/00; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/06; C10M2227/09; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2070/00; C10N2070/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
AS A NEW COMPOSITION OF MATTER, AN OIL-SOLUBLE DETERGENT NEUTRALIZED REACTION PRODUCT PREPARED BY THE PROCCESS COMPRISING: REACTING A PHOSPHORUS SULFIDE WITH A HYDROCARBON; HYDROLYZING THE RESULTING PHOSPHROUS SULFIDEHYDROCARBON REACTION PRODUCT; AND REACTING THE HYDROLYZED PRODUCT WITH BORIC ACID IN AN AMOUNT CORRESPONDING TO FROM ABOUT ONE TO ABOUT THREE MOLES BORON PER MOLE OF HYDROLYZED PRODUCT AND WITH AN ALIPHATIC AMINE COMPOUND HAVING FROM 2 TO 21 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF POLYAMINES AND HYDROXY ALIPHATIC AMINES IN AN AMOUNT CORRESPONDING TO FROM ABOUT ONE TO ABOUT 1.1 MOLES OF ALIPHATIC AMINE COMPOUND PER MOLE OF ACID PHOSPHORUS, AT A TEMPERATURE BELOW THE TEMPERATURE AT WHICH SAID ALIPHATIC AMINE COMPOUND IS DRIVEN FROM THE MIXTURE OF REACTANTS.
Claim 2
Dependent Claim 122 words
AS A NEW COMPOSITION OF MATTER, AN OIL-SOLUBLE DETERGENT NEUTRALIZED REACTION PRODUCT PREPARED BY THE PROCCESS COMPRISING: REACTING A PHOSPHORUS SULFIDE WITH A HYDROCARBON; HYDROLYZING THE RESULTING PHOSPHROUS SULFIDEHYDROCARBON REACTION PRODUCT; AND REACTING THE HYDROLYZED PRODUCT WITH BORIC ACID IN AN AMOUNT CORRESPONDING TO FROM ABOUT ONE TO ABOUT THREE MOLES BORON PER MOLE OF HYDROLYZED PRODUCT AND WITH AN ALIPHATIC AMINE COMPOUND HAVING FROM 2 TO 21 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF POLYAMINES AND HYDROXY ALIPHATIC AMINES IN AN AMOUNT CORRESPONDING TO FROM ABOUT ONE TO ABOUT 1.1 MOLES OF ALIPHATIC AMINE COMPOUND PER MOLE OF ACID PHOSPHORUS, AT A TEMPERATURE BELOW THE TEMPERATURE AT WHICH SAID ALIPHATIC AMINE COMPOUND IS DRIVEN FROM THE MIXTURE OF REACTANTS.

References Cited (Backward Citations)

US2053474A Cited
US2160917A Cited
US2346156A Cited
US2636858A Cited
US2809934A Cited
US2798045A Cited
US2900376A Cited
US3002924A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-13 1966-11-12 1967-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-13 1970-11-12 1971-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-13 1974-11-12 1975-05-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag