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Gun oil composition

  • US 9,637,705 B1
  • Filed: 08/29/2016
  • Issued: 05/02/2017
  • Est. Priority Date: 03/04/2014
  • Status: Active Grant
First Claim
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1. A gun oil composition, comprising:

  • a base oil having at least a high viscosity index of at least 80; and

    a penetrating oil capable of penetrating into millionth-inch spaces;

    a sulfurized ester comprising from about 15% wt. % to about 30 wt. % of the gun oil composition; and

    an oil mixture comprising a base oil having at least a medium viscosity index of at least 35 and at least one detergent;

    wherein the composition is free of tungsten disulfide particles;

    wherein the sulfurized ester includes an active sulfur content of less than 1% to ensure compatibility of the gun oil composition with yellow metals.

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