Lead scavenger compositions

• US 2,889,212 A
• Filed: 07/22/1952
• Issued: 06/02/1959
• Est. Priority Date: 07/22/1952
• Status: Expired due to Term

• Current Assignee: John L. Bame, Venard E. Yust
• Original Assignee: John L. Bame, Venard E. Yust
• Inventors: Yust, Venard E., Bame, John L.
• Application Number:
  US03/300,337
• Time in Patent Office: 2,506 Days
• US Class Current: 44/382
• CPC Class Codes: C10L 1/14 Organic compounds
• CPC Class Codes: C10L 1/143 mixtures of organic macromolecular compounds with organic non-macromolecular compounds
• CPC Class Codes: C10L 1/201 aliphatic bond
• CPC Class Codes: C10L 1/2641 oxygen bonds only
• CPC Class Codes: C10L 1/306 organo Pb compounds

Claims

1. A FUEL COMPOSITION FOR INTERNAL COMBUSTION ENGINES CONSISTING ESSENTIALLY OF A STABLE GASOLINE COMPOSITION, A MINOR SUFFICIENTLY EFFECTIVE ANTI-DETONANT AMOUNT OF AN ORGANO-LEAD ANTI-DETONANT, AND A SCAVENGER MIXTURE FOR SAID ANTI-DETONANT CONSISTING ESSENTIALLY OF HALOHYDROCARBON SCAVENGER AND OF A PHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKARYL PHOSPHATES AND ALKARYL PHOSPHITES, EACH ALKARYL GROUP OF WHICH CONTAINS FROM 7 THROUGH 15 CARBON ATOMS, SAID HALOHYDROCARBON SCAVENGER AND SAID PHOSPHORUS COMPOUND BEING PRESENT IN AMOUNTS SUCH THAT, WHERE (A) IS THE NUMBER OF MOLS OF HALOHYDROCARBON SCAVENGER PRESENT MULTIPLIED BY ONE-HALF THE NUMBER OF HALOGEN ATOMS PER MOLECULE, FOR EACH GRAM ATOM OF LEAD IN THE LEAD ANTI-DETONANT PRESENT, AND (B) IS THE NUMBER OF MOLS OF THE PHOSPHORUS COMPOUND PRESENT MULTIPLIED BY THREE-HALVES, FOR EACH GRAM ATOM OF LEAD IN THE LEAD ANTI-DETONANT PRESENT, THE TOTAL OF (A) PLUS (B) IS FROM ABOUT 0.4 TO ABOUT 2.0, (B) IS FROM ABOUT 0.01 TO ABOUT 0.6, AND THE RATIO OF (A) TO (B) IS FROM ABOUT 3:

2 TO ABOUT 40;

1.